29 Jul
2021
29 Jul
'21
4:44 p.m.
Hello all!
I was able to connect Kamailio with MS Teams and now trying to add one more
Teams instance. It looks like I have some misconfiguration or there is a
bug.
My test server has 2 domain records pointing at it (kamailio.domain1.com
and kamailio.domain2.com). My tls.cfg configuration file looks like this.
As you can see the Default section is configured with a kamailio.domain1.com
sertificate:
*[server:default]*
*method = TLSv1.0+*
*require_certificate = no*
*verify_certificate = no*
*private_key =
/var/kamailio/certificates/kamailio.domain1.com/server/key.pem
<http://kamailio.domain1.com/server/key.pem>*
*certificate =
/var/kamailio/certificates/kamailio.domain1.com/server/cert.pem
<http://kamailio.domain1.com/server/cert.pem>*
*ca_list = /var/kamailio/certificates/kamailio.domain1.com/CA/cert.pem
<http://kamailio.domain1.com/CA/cert.pem>*
*[client:default]*
*method = TLSv1.0+*
*require_certificate = no*
*verify_certificate = no*
*private_key =
/var/kamailio/certificates/kamailio.domain1.com/server/key.pem
<http://kamailio.domain1.com/server/key.pem>*
*certificate =
/var/kamailio/certificates/kamailio.domain1.com/server/cert.pem
<http://kamailio.domain1.com/server/cert.pem>*
*ca_list = /var/kamailio/certificates/kamailio.domain1.com/CA/cert.pem
<http://kamailio.domain1.com/CA/cert.pem>*
*[server:172.16.30.206:5062 <http://172.16.30.206:5062>]*
*method = TLSv1.0+*
*require_certificate = no*
*verify_certificate = no*
*private_key =
/var/kamailio/certificates/kamailio.domain1.com/server/key.pem
<http://kamailio.domain1.com/server/key.pem>*
*certificate =
/var/kamailio/certificates/kamailio.domain1.com/server/cert.pem
<http://kamailio.domain1.com/server/cert.pem>*
*ca_list = /var/kamailio/certificates/kamailio.domain1.com/CA/cert.pem
<http://kamailio.domain1.com/CA/cert.pem>*
*server_name = "kamailio.domain1.com <http://kamailio.domain1.com>"*
*server_id = "**"kamailio.domain1.com
<http://kamailio.domain1.com>"*
*[client:172.16.30.206:5062 <http://172.16.30.206:5062>]*
*method = TLSv1.0+*
*require_certificate = no*
*verify_certificate = no*
*private_key =
/var/kamailio/certificates/kamailio.domain1.com/server/key.pem
<http://kamailio.domain1.com/server/key.pem>*
*certificate =
/var/kamailio/certificates/kamailio.domain1.com/server/cert.pem
<http://kamailio.domain1.com/server/cert.pem>*
*ca_list = /var/kamailio/certificates/kamailio.domain1.com/CA/cert.pem
<http://kamailio.domain1.com/CA/cert.pem>*
*[server:172.16.30.206:5063 <http://172.16.30.206:5063>]*
*method = TLSv1.0+*
*require_certificate = no*
*verify_certificate = no*
*private_key =
/var/kamailio/certificates/kamailio.domain2.com/server/key.pem
<http://kamailio.domain2.com/server/key.pem>*
*certificate =
/var/kamailio/certificates/kamailio.domain2.com/server/cert.pem
<http://kamailio.domain2.com/server/cert.pem>*
*ca_list = /var/kamailio/certificates/kamailio.domain2.com/CA/cert.pem
<http://kamailio.domain2.com/CA/cert.pem>*
*server_name = "kamailio.domain2.com <http://kamailio.domain2.com>"*
*server_id = "**"kamailio.domain2.com
<http://kamailio.domain2.com>"*
*[client:172.16.30.206:5063 <http://172.16.30.206:5063>]*
*method = TLSv1.0+*
*require_certificate = no*
*verify_certificate = no*
*private_key =
/var/kamailio/certificates/kamailio.domain2.com/server/key.pem
<http://kamailio.domain2.com/server/key.pem>*
*certificate =
/var/kamailio/certificates/kamailio.domain2.com/server/cert.pem
<http://kamailio.domain2.com/server/cert.pem>*
*ca_list = /var/kamailio/certificates/kamailio.domain2.com/CA/cert.pem
<http://kamailio.domain2.com/CA/cert.pem>*
The dispatcher configuration table looks like this:
+----+-------+----------------------------------------------+-------+----------+--------------------------------------------------------------------+-------------+
| id | setid | destination | flags |
priority | attrs
| description |
+----+-------+----------------------------------------------+-------+----------+--------------------------------------------------------------------+-------------+
| 1 | 1 | sip:sip.pstnhub.microsoft.com;transport=tls | 0 |
3 | socket=tls:172.16.30.206:5062;ping_from=sip:kamailio.domain1.com |
MS Teams 1 |
| 2 | 2 | sip:sip.pstnhub.microsoft.com;transport=tls | 0 |
3 | socket=tls:172.16.30.206:5063;ping_from=sip:kamailio.domain2.com |
MS Teams 2 |
+----+-------+----------------------------------------------+-------+----------+--------------------------------------------------------------------+-------------+
When Kamailio is started only connection with the first trunk is
established:
*# kamcmd tls.list*
*{*
* id: 1*
* timeout: 0*
* src_ip: 52.114.75.24*
* src_port: 5061*
* dst_ip: 172.16.30.206*
* dst_port: 0*
* cipher: ECDHE-RSA-AES256-GCM-SHA384 TLSv1.2 Kx=ECDH Au=RSA
Enc=AESGCM(256) Mac=AEAD*
* ct_wq_size: 0*
* enc_rd_buf: 0*
* flags: 2*
* state: established*
*}*
*{*
* id: 2*
* timeout: 0*
* src_ip: 52.114.75.24*
* src_port: 7810*
* dst_ip: 172.16.30.206*
* dst_port: 5062*
* cipher: AES256-GCM-SHA384 TLSv1.2 Kx=RSA Au=RSA
Enc=AESGCM(256) Mac=AEAD*
* ct_wq_size: 0*
* enc_rd_buf: 0*
* flags: 2*
* state: established*
*}*
*{*
* id: 3*
* timeout: 596*
* src_ip: 52.114.75.24*
* src_port: 7811*
* dst_ip: 172.16.30.206*
* dst_port: 5062*
* cipher: AES256-GCM-SHA384 TLSv1.2 Kx=RSA Au=RSA
Enc=AESGCM(256) Mac=AEAD*
* ct_wq_size: 0*
* enc_rd_buf: 0*
* flags: 2*
* state: established*
*}*
Here is what I can see in Kamailio log file when it sends an OPTIONS
request to the second trunk. Kamailio uses Default tls configuration and MS
Teams don't accept it:
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: ALERT: <script>: ==
TRACE. tm:local-request. fs is tls:172.16.30.206:5063
<http://172.16.30.206:5063>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tm [uac.c:352]:
t_run_local_req(): apply new updates without Via to sip msg*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/msg_translator.c:1796]: check_boundaries(): no multi-part body*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:610]: parse_msg(): SIP Request:*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:612]: parse_msg(): method: <OPTIONS>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:614]: parse_msg(): uri:
<sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:616]: parse_msg(): version: <SIP/2.0>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/parse_via.c:1303]: parse_via_param(): Found param type 232,
<branch> = <z9hG4bK169b.6411b4c3000000000000000000000000.0>; state=16*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/parse_via.c:2639]: parse_via(): end of header reached, state=5*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:498]: parse_headers(): Via found, flags=2*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:500]: parse_headers(): this is the first via*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/parse_addr_spec.c:864]: parse_addr_spec(): end of header
reached, state=10*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:171]: get_hdr_field(): <To> [47];
uri=[sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls]*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:174]: get_hdr_field(): to body
(47)[<sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls>^M*
*], to tag (0)[]*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:152]: get_hdr_field(): cseq <CSeq>: <10>
<OPTIONS>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:185]: get_hdr_field(): content_length=0*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:89]: get_hdr_field(): found end of header*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:610]: parse_msg(): SIP Request:*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:612]: parse_msg(): method: <OPTIONS>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:614]: parse_msg(): uri:
<sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:616]: parse_msg(): version: <SIP/2.0>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/parse_via.c:1303]: parse_via_param(): Found param type 232,
<branch> = <z9hG4bK169b.6411b4c3000000000000000000000000.0>; state=16*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/parse_via.c:2639]: parse_via(): end of header reached, state=5*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:498]: parse_headers(): Via found, flags=2*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:500]: parse_headers(): this is the first via*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/parse_addr_spec.c:864]: parse_addr_spec(): end of header
reached, state=10*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:171]: get_hdr_field(): <To> [47];
uri=[sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls]*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:174]: get_hdr_field(): to body
(47)[<sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls>^M*
*], to tag (0)[]*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:152]: get_hdr_field(): cseq <CSeq>: <10>
<OPTIONS>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tm [uac.c:189]:
uac_refresh_hdr_shortcuts(): cseq: [CSeq: 10]*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/tcp_main.c:1993]: tcp_send(): no open tcp connection found, opening
new one*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/ip_addr.c:229]: print_ip(): tcpconn_new: new tcp connection:
52.114.75.24*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/tcp_main.c:1175]: tcpconn_new(): on port 5061, type 3, socket -1*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/tcp_main.c:1498]: tcpconn_add(): hashes: 2831:67:0, 1*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls
[tls_server.c:199]: tls_complete_init(): completing tls connection
initialization*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls
[tls_server.c:162]: tls_get_connect_server_name(): xavp with outbound
server name not found*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls
[tls_server.c:142]: tls_get_connect_server_id(): xavp with outbound server
id not found*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls
[tls_server.c:228]: tls_complete_init(): Using initial TLS domain
TLSc<default> (dom 0x7f35509da688 ctx 0x7f3550b7a568 sn [])*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls
[tls_domain.c:1177]: tls_lookup_private_key(): Private key lookup for
SSL_CTX-0x7f3550b7a568: (nil)*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls
[tls_domain.c:747]: sr_ssl_ctx_info_callback(): SSL handshake started*
*...*
If I change the Default configuration to use kamailio.domain2.com
certificate, the second trunk will connect but the first one will fail.
I tried to set "$xavp(tls=>server_name)" and
"$xavp(tls[0]=>server_id)"
variables to the event_route[tm:local-request] section but log still stated
that server Name and ID were not found.
Can someone please point me in the right direction, how can I make Kamailio
use the correct certificates when establishing multiple TLS connections?
Thanks a lot!
Regards, Volodymyr Ivanets
29 Jul
29 Jul
6:03 p.m.
Hello, are u using letsencrypt?
U can use a multi domain.
Muti domain names in one certificate
Outlook voor Android<https://aka.ms/AAb9ysg> downloaden
________________________________
From: sr-users <sr-users-bounces(a)lists.kamailio.org> on behalf of Володимир Іванець
<volodyaivanets(a)gmail.com>
Sent: Thursday, July 29, 2021 4:44:16 PM
To: Kamailio (SER) - Users Mailing List <sr-users(a)lists.kamailio.org>
Subject: [SR-Users] Integration with multiple MS Teams instances
Hello all!
I was able to connect Kamailio with MS Teams and now trying to add one more Teams
instance. It looks like I have some misconfiguration or there is a bug.
My test server has 2 domain records pointing at it
(kamailio.domain1.com<http://kamailio.domain1.com> and
kamailio.domain2.com<http://kamailio.domain2.com>). My tls.cfg configuration file
looks like this. As you can see the Default section is configured with a
kamailio.domain1.com<http://kamailio.domain1.com> sertificate:
[server:default]
method = TLSv1.0+
require_certificate = no
verify_certificate = no
private_key =
/var/kamailio/certificates/kamailio.domain1.com/server/key.pem<http://kamailio.domain1.com/server/key.pem>
certificate =
/var/kamailio/certificates/kamailio.domain1.com/server/cert.pem<http://kamailio.domain1.com/server/cert.pem>
ca_list =
/var/kamailio/certificates/kamailio.domain1.com/CA/cert.pem<http://kamailio.domain1.com/CA/cert.pem>
[client:default]
method = TLSv1.0+
require_certificate = no
verify_certificate = no
private_key =
/var/kamailio/certificates/kamailio.domain1.com/server/key.pem<http://kamailio.domain1.com/server/key.pem>
certificate =
/var/kamailio/certificates/kamailio.domain1.com/server/cert.pem<http://kamailio.domain1.com/server/cert.pem>
ca_list =
/var/kamailio/certificates/kamailio.domain1.com/CA/cert.pem<http://kamailio.domain1.com/CA/cert.pem>
[server:172.16.30.206:5062<http://172.16.30.206:5062>]
method = TLSv1.0+
require_certificate = no
verify_certificate = no
private_key =
/var/kamailio/certificates/kamailio.domain1.com/server/key.pem<http://kamailio.domain1.com/server/key.pem>
certificate =
/var/kamailio/certificates/kamailio.domain1.com/server/cert.pem<http://kamailio.domain1.com/server/cert.pem>
ca_list =
/var/kamailio/certificates/kamailio.domain1.com/CA/cert.pem<http://kamailio.domain1.com/CA/cert.pem>
server_name = "kamailio.domain1.com<http://kamailio.domain1.com>"
server_id = ""kamailio.domain1.com<http://kamailio.domain1.com>"
[client:172.16.30.206:5062<http://172.16.30.206:5062>]
method = TLSv1.0+
require_certificate = no
verify_certificate = no
private_key =
/var/kamailio/certificates/kamailio.domain1.com/server/key.pem<http://kamailio.domain1.com/server/key.pem>
certificate =
/var/kamailio/certificates/kamailio.domain1.com/server/cert.pem<http://kamailio.domain1.com/server/cert.pem>
ca_list =
/var/kamailio/certificates/kamailio.domain1.com/CA/cert.pem<http://kamailio.domain1.com/CA/cert.pem>
[server:172.16.30.206:5063<http://172.16.30.206:5063>]
method = TLSv1.0+
require_certificate = no
verify_certificate = no
private_key =
/var/kamailio/certificates/kamailio.domain2.com/server/key.pem<http://kamailio.domain2.com/server/key.pem>
certificate =
/var/kamailio/certificates/kamailio.domain2.com/server/cert.pem<http://kamailio.domain2.com/server/cert.pem>
ca_list =
/var/kamailio/certificates/kamailio.domain2.com/CA/cert.pem<http://kamailio.domain2.com/CA/cert.pem>
server_name = "kamailio.domain2.com<http://kamailio.domain2.com>"
server_id = ""kamailio.domain2.com<http://kamailio.domain2.com>"
[client:172.16.30.206:5063<http://172.16.30.206:5063>]
method = TLSv1.0+
require_certificate = no
verify_certificate = no
private_key =
/var/kamailio/certificates/kamailio.domain2.com/server/key.pem<http://kamailio.domain2.com/server/key.pem>
certificate =
/var/kamailio/certificates/kamailio.domain2.com/server/cert.pem<http://kamailio.domain2.com/server/cert.pem>
ca_list =
/var/kamailio/certificates/kamailio.domain2.com/CA/cert.pem<http://kamailio.domain2.com/CA/cert.pem>
The dispatcher configuration table looks like this:
+----+-------+----------------------------------------------+-------+----------+--------------------------------------------------------------------+-------------+
| id | setid | destination | flags | priority | attrs
| description |
+----+-------+----------------------------------------------+-------+----------+--------------------------------------------------------------------+-------------+
| 1 | 1 |
sip:sip.pstnhub.microsoft.com<http://sip.pstnhub.microsoft.com>;transport=tls |
0 | 3 |
socket=tls:172.16.30.206:5062;ping_from=sip:kamailio.domain1.com<http://kamailio.domain1.com>
| MS Teams 1 |
| 2 | 2 |
sip:sip.pstnhub.microsoft.com<http://sip.pstnhub.microsoft.com>;transport=tls |
0 | 3 |
socket=tls:172.16.30.206:5063;ping_from=sip:kamailio.domain2.com<http://kamailio.domain2.com>
| MS Teams 2 |
+----+-------+----------------------------------------------+-------+----------+--------------------------------------------------------------------+-------------+
When Kamailio is started only connection with the first trunk is established:
# kamcmd tls.list
{
id: 1
timeout: 0
src_ip: 52.114.75.24
src_port: 5061
dst_ip: 172.16.30.206
dst_port: 0
cipher: ECDHE-RSA-AES256-GCM-SHA384 TLSv1.2 Kx=ECDH Au=RSA Enc=AESGCM(256)
Mac=AEAD
ct_wq_size: 0
enc_rd_buf: 0
flags: 2
state: established
}
{
id: 2
timeout: 0
src_ip: 52.114.75.24
src_port: 7810
dst_ip: 172.16.30.206
dst_port: 5062
cipher: AES256-GCM-SHA384 TLSv1.2 Kx=RSA Au=RSA Enc=AESGCM(256)
Mac=AEAD
ct_wq_size: 0
enc_rd_buf: 0
flags: 2
state: established
}
{
id: 3
timeout: 596
src_ip: 52.114.75.24
src_port: 7811
dst_ip: 172.16.30.206
dst_port: 5062
cipher: AES256-GCM-SHA384 TLSv1.2 Kx=RSA Au=RSA Enc=AESGCM(256)
Mac=AEAD
ct_wq_size: 0
enc_rd_buf: 0
flags: 2
state: established
}
Here is what I can see in Kamailio log file when it sends an OPTIONS request to the second
trunk. Kamailio uses Default tls configuration and MS Teams don't accept it:
Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: ALERT: <script>: == TRACE.
tm:local-request. fs is tls:172.16.30.206:5063<http://172.16.30.206:5063>
Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tm [uac.c:352]:
t_run_local_req(): apply new updates without Via to sip msg
Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/msg_translator.c:1796]: check_boundaries(): no multi-part body
Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:610]: parse_msg(): SIP Request:
Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:612]: parse_msg(): method: <OPTIONS>
Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:614]: parse_msg(): uri:
<sip:sip.pstnhub.microsoft.com<http://sip.pstnhub.microsoft.com>;transport=tls>
Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:616]: parse_msg(): version: <SIP/2.0>
Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/parse_via.c:1303]: parse_via_param(): Found param type 232, <branch> =
<z9hG4bK169b.6411b4c3000000000000000000000000.0>; state=16
Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/parse_via.c:2639]: parse_via(): end of header reached, state=5
Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:498]: parse_headers(): Via found, flags=2
Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:500]: parse_headers(): this is the first via
Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/parse_addr_spec.c:864]: parse_addr_spec(): end of header reached, state=10
Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:171]: get_hdr_field(): <To> [47];
uri=[sip:sip.pstnhub.microsoft.com<http://sip.pstnhub.microsoft.com>;transport=tls]
Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:174]: get_hdr_field(): to body
(47)[<sip:sip.pstnhub.microsoft.com<http://sip.pstnhub.microsoft.com>;transport=tls>^M
], to tag (0)[]
Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:152]: get_hdr_field(): cseq <CSeq>: <10>
<OPTIONS>
Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:185]: get_hdr_field(): content_length=0
Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:89]: get_hdr_field(): found end of header
Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:610]: parse_msg(): SIP Request:
Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:612]: parse_msg(): method: <OPTIONS>
Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:614]: parse_msg(): uri:
<sip:sip.pstnhub.microsoft.com<http://sip.pstnhub.microsoft.com>;transport=tls>
Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:616]: parse_msg(): version: <SIP/2.0>
Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/parse_via.c:1303]: parse_via_param(): Found param type 232, <branch> =
<z9hG4bK169b.6411b4c3000000000000000000000000.0>; state=16
Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/parse_via.c:2639]: parse_via(): end of header reached, state=5
Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:498]: parse_headers(): Via found, flags=2
Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:500]: parse_headers(): this is the first via
Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/parse_addr_spec.c:864]: parse_addr_spec(): end of header reached, state=10
Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:171]: get_hdr_field(): <To> [47];
uri=[sip:sip.pstnhub.microsoft.com<http://sip.pstnhub.microsoft.com>;transport=tls]
Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:174]: get_hdr_field(): to body
(47)[<sip:sip.pstnhub.microsoft.com<http://sip.pstnhub.microsoft.com>;transport=tls>^M
], to tag (0)[]
Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:152]: get_hdr_field(): cseq <CSeq>: <10>
<OPTIONS>
Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tm [uac.c:189]:
uac_refresh_hdr_shortcuts(): cseq: [CSeq: 10]
Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/tcp_main.c:1993]: tcp_send(): no open tcp connection found, opening new one
Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/ip_addr.c:229]: print_ip(): tcpconn_new: new tcp connection: 52.114.75.24
Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/tcp_main.c:1175]: tcpconn_new(): on port 5061, type 3, socket -1
Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/tcp_main.c:1498]: tcpconn_add(): hashes: 2831:67:0, 1
Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls [tls_server.c:199]:
tls_complete_init(): completing tls connection initialization
Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls [tls_server.c:162]:
tls_get_connect_server_name(): xavp with outbound server name not found
Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls [tls_server.c:142]:
tls_get_connect_server_id(): xavp with outbound server id not found
Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls [tls_server.c:228]:
tls_complete_init(): Using initial TLS domain TLSc<default> (dom 0x7f35509da688 ctx
0x7f3550b7a568 sn [])
Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls [tls_domain.c:1177]:
tls_lookup_private_key(): Private key lookup for SSL_CTX-0x7f3550b7a568: (nil)
Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls [tls_domain.c:747]:
sr_ssl_ctx_info_callback(): SSL handshake started
...
If I change the Default configuration to use
kamailio.domain2.com<http://kamailio.domain2.com> certificate, the second trunk will
connect but the first one will fail.
I tried to set "$xavp(tls=>server_name)" and
"$xavp(tls[0]=>server_id)" variables to the event_route[tm:local-request]
section but log still stated that server Name and ID were not found.
Can someone please point me in the right direction, how can I make Kamailio use the
correct certificates when establishing multiple TLS connections?
Thanks a lot!
Regards, Volodymyr Ivanets
6:48 p.m.
Hello Rob!
Yes, I'm using Letsencrypt while I'm testing. But I would like to be able
to use different certificates with different sockets.
I found this discussion https://github.com/kamailio/kamailio/issues/2413.
Looks like I need to use "tls_set_connect_server_id()" instead of setting
$xavp(tls=>server_name)" and "$xavp(tls[0]=>server_id)".
Unfortunately I'm
currently using Kamailio v5.4 on my test system and this function is not
available. I will update Kamailio and give it another try. Then I will
update everyone in the hope it will be useful for someone :)
Thank you!
Regards, Volodymyr Ivanets
чт, 29 лип. 2021 о 19:07 Rob van den Bulk <rob.van.den.bulk(a)gmail.com> пише:
Hello, are u using letsencrypt?
U can use a multi domain.
Muti domain names in one certificate
Outlook voor Android <https://aka.ms/AAb9ysg> downloaden
------------------------------
*From:* sr-users <sr-users-bounces(a)lists.kamailio.org> on behalf of
Володимир Іванець <volodyaivanets(a)gmail.com>
*Sent:* Thursday, July 29, 2021 4:44:16 PM
*To:* Kamailio (SER) - Users Mailing List <sr-users(a)lists.kamailio.org>
*Subject:* [SR-Users] Integration with multiple MS Teams instances
Hello all!
I was able to connect Kamailio with MS Teams and now trying to add one
more Teams instance. It looks like I have some misconfiguration or there is
a bug.
My test server has 2 domain records pointing at it (kamailio.domain1.com
and kamailio.domain2.com). My tls.cfg configuration file looks like this.
As you can see the Default section is configured with a
kamailio.domain1.com sertificate:
*[server:default]*
*method = TLSv1.0+*
*require_certificate = no*
*verify_certificate = no*
*private_key =
/var/kamailio/certificates/kamailio.domain1.com/server/key.pem
<http://kamailio.domain1.com/server/key.pem>*
*certificate =
/var/kamailio/certificates/kamailio.domain1.com/server/cert.pem
<http://kamailio.domain1.com/server/cert.pem>*
*ca_list = /var/kamailio/certificates/kamailio.domain1.com/CA/cert.pem
<http://kamailio.domain1.com/CA/cert.pem>*
*[client:default]*
*method = TLSv1.0+*
*require_certificate = no*
*verify_certificate = no*
*private_key =
/var/kamailio/certificates/kamailio.domain1.com/server/key.pem
<http://kamailio.domain1.com/server/key.pem>*
*certificate =
/var/kamailio/certificates/kamailio.domain1.com/server/cert.pem
<http://kamailio.domain1.com/server/cert.pem>*
*ca_list = /var/kamailio/certificates/kamailio.domain1.com/CA/cert.pem
<http://kamailio.domain1.com/CA/cert.pem>*
*[server:172.16.30.206:5062 <http://172.16.30.206:5062>]*
*method = TLSv1.0+*
*require_certificate = no*
*verify_certificate = no*
*private_key =
/var/kamailio/certificates/kamailio.domain1.com/server/key.pem
<http://kamailio.domain1.com/server/key.pem>*
*certificate =
/var/kamailio/certificates/kamailio.domain1.com/server/cert.pem
<http://kamailio.domain1.com/server/cert.pem>*
*ca_list = /var/kamailio/certificates/kamailio.domain1.com/CA/cert.pem
<http://kamailio.domain1.com/CA/cert.pem>*
*server_name = "kamailio.domain1.com <http://kamailio.domain1.com>"*
*server_id = "**"kamailio.domain1.com
<http://kamailio.domain1.com>"*
*[client:172.16.30.206:5062 <http://172.16.30.206:5062>]*
*method = TLSv1.0+*
*require_certificate = no*
*verify_certificate = no*
*private_key =
/var/kamailio/certificates/kamailio.domain1.com/server/key.pem
<http://kamailio.domain1.com/server/key.pem>*
*certificate =
/var/kamailio/certificates/kamailio.domain1.com/server/cert.pem
<http://kamailio.domain1.com/server/cert.pem>*
*ca_list = /var/kamailio/certificates/kamailio.domain1.com/CA/cert.pem
<http://kamailio.domain1.com/CA/cert.pem>*
*[server:172.16.30.206:5063 <http://172.16.30.206:5063>]*
*method = TLSv1.0+*
*require_certificate = no*
*verify_certificate = no*
*private_key =
/var/kamailio/certificates/kamailio.domain2.com/server/key.pem
<http://kamailio.domain2.com/server/key.pem>*
*certificate =
/var/kamailio/certificates/kamailio.domain2.com/server/cert.pem
<http://kamailio.domain2.com/server/cert.pem>*
*ca_list = /var/kamailio/certificates/kamailio.domain2.com/CA/cert.pem
<http://kamailio.domain2.com/CA/cert.pem>*
*server_name = "kamailio.domain2.com <http://kamailio.domain2.com>"*
*server_id = "**"kamailio.domain2.com
<http://kamailio.domain2.com>"*
*[client:172.16.30.206:5063 <http://172.16.30.206:5063>]*
*method = TLSv1.0+*
*require_certificate = no*
*verify_certificate = no*
*private_key =
/var/kamailio/certificates/kamailio.domain2.com/server/key.pem
<http://kamailio.domain2.com/server/key.pem>*
*certificate =
/var/kamailio/certificates/kamailio.domain2.com/server/cert.pem
<http://kamailio.domain2.com/server/cert.pem>*
*ca_list = /var/kamailio/certificates/kamailio.domain2.com/CA/cert.pem
<http://kamailio.domain2.com/CA/cert.pem>*
The dispatcher configuration table looks like this:
+----+-------+----------------------------------------------+-------+----------+--------------------------------------------------------------------+-------------+
| id | setid | destination | flags |
priority | attrs
| description |
+----+-------+----------------------------------------------+-------+----------+--------------------------------------------------------------------+-------------+
| 1 | 1 | sip:sip.pstnhub.microsoft.com;transport=tls | 0 |
3 | socket=tls:172.16.30.206:5062;ping_from=sip:kamailio.domain1.com |
MS Teams 1 |
| 2 | 2 | sip:sip.pstnhub.microsoft.com;transport=tls | 0 |
3 | socket=tls:172.16.30.206:5063;ping_from=sip:kamailio.domain2.com |
MS Teams 2 |
+----+-------+----------------------------------------------+-------+----------+--------------------------------------------------------------------+-------------+
When Kamailio is started only connection with the first trunk is
established:
*# kamcmd tls.list*
*{*
* id: 1*
* timeout: 0*
* src_ip: 52.114.75.24*
* src_port: 5061*
* dst_ip: 172.16.30.206*
* dst_port: 0*
* cipher: ECDHE-RSA-AES256-GCM-SHA384 TLSv1.2 Kx=ECDH Au=RSA
Enc=AESGCM(256) Mac=AEAD*
* ct_wq_size: 0*
* enc_rd_buf: 0*
* flags: 2*
* state: established*
*}*
*{*
* id: 2*
* timeout: 0*
* src_ip: 52.114.75.24*
* src_port: 7810*
* dst_ip: 172.16.30.206*
* dst_port: 5062*
* cipher: AES256-GCM-SHA384 TLSv1.2 Kx=RSA Au=RSA
Enc=AESGCM(256) Mac=AEAD*
* ct_wq_size: 0*
* enc_rd_buf: 0*
* flags: 2*
* state: established*
*}*
*{*
* id: 3*
* timeout: 596*
* src_ip: 52.114.75.24*
* src_port: 7811*
* dst_ip: 172.16.30.206*
* dst_port: 5062*
* cipher: AES256-GCM-SHA384 TLSv1.2 Kx=RSA Au=RSA
Enc=AESGCM(256) Mac=AEAD*
* ct_wq_size: 0*
* enc_rd_buf: 0*
* flags: 2*
* state: established*
*}*
Here is what I can see in Kamailio log file when it sends an OPTIONS
request to the second trunk. Kamailio uses Default tls configuration and MS
Teams don't accept it:
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: ALERT: <script>: ==
TRACE. tm:local-request. fs is tls:172.16.30.206:5063
<http://172.16.30.206:5063>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tm
[uac.c:352]: t_run_local_req(): apply new updates without Via to sip msg*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/msg_translator.c:1796]: check_boundaries(): no multi-part body*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:610]: parse_msg(): SIP Request:*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:612]: parse_msg(): method: <OPTIONS>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:614]: parse_msg(): uri:
<sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:616]: parse_msg(): version: <SIP/2.0>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/parse_via.c:1303]: parse_via_param(): Found param type 232,
<branch> = <z9hG4bK169b.6411b4c3000000000000000000000000.0>; state=16*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/parse_via.c:2639]: parse_via(): end of header reached, state=5*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:498]: parse_headers(): Via found, flags=2*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:500]: parse_headers(): this is the first via*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/parse_addr_spec.c:864]: parse_addr_spec(): end of header
reached, state=10*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:171]: get_hdr_field(): <To> [47];
uri=[sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls]*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:174]: get_hdr_field(): to body
(47)[<sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls>^M*
*], to tag (0)[]*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:152]: get_hdr_field(): cseq <CSeq>: <10>
<OPTIONS>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:185]: get_hdr_field(): content_length=0*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:89]: get_hdr_field(): found end of header*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:610]: parse_msg(): SIP Request:*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:612]: parse_msg(): method: <OPTIONS>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:614]: parse_msg(): uri:
<sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:616]: parse_msg(): version: <SIP/2.0>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/parse_via.c:1303]: parse_via_param(): Found param type 232,
<branch> = <z9hG4bK169b.6411b4c3000000000000000000000000.0>; state=16*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/parse_via.c:2639]: parse_via(): end of header reached, state=5*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:498]: parse_headers(): Via found, flags=2*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:500]: parse_headers(): this is the first via*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/parse_addr_spec.c:864]: parse_addr_spec(): end of header
reached, state=10*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:171]: get_hdr_field(): <To> [47];
uri=[sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls]*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:174]: get_hdr_field(): to body
(47)[<sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls>^M*
*], to tag (0)[]*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:152]: get_hdr_field(): cseq <CSeq>: <10>
<OPTIONS>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tm
[uac.c:189]: uac_refresh_hdr_shortcuts(): cseq: [CSeq: 10]*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/tcp_main.c:1993]: tcp_send(): no open tcp connection found, opening
new one*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/ip_addr.c:229]: print_ip(): tcpconn_new: new tcp connection:
52.114.75.24*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/tcp_main.c:1175]: tcpconn_new(): on port 5061, type 3, socket -1*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/tcp_main.c:1498]: tcpconn_add(): hashes: 2831:67:0, 1*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls
[tls_server.c:199]: tls_complete_init(): completing tls connection
initialization*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls
[tls_server.c:162]: tls_get_connect_server_name(): xavp with outbound
server name not found*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls
[tls_server.c:142]: tls_get_connect_server_id(): xavp with outbound server
id not found*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls
[tls_server.c:228]: tls_complete_init(): Using initial TLS domain
TLSc<default> (dom 0x7f35509da688 ctx 0x7f3550b7a568 sn [])*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls
[tls_domain.c:1177]: tls_lookup_private_key(): Private key lookup for
SSL_CTX-0x7f3550b7a568: (nil)*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls
[tls_domain.c:747]: sr_ssl_ctx_info_callback(): SSL handshake started*
*...*
If I change the Default configuration to use kamailio.domain2.com
certificate, the second trunk will connect but the first one will fail.
I tried to set "$xavp(tls=>server_name)" and
"$xavp(tls[0]=>server_id)"
variables to the event_route[tm:local-request] section but log still stated
that server Name and ID were not found.
Can someone please point me in the right direction, how can I make
Kamailio use the correct certificates when establishing multiple TLS
connections?
Thanks a lot!
Regards, Volodymyr Ivanets
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30 Jul
30 Jul
4:33 p.m.
Unfortunately, I faced a different problem after the
"tls_set_connect_server_id()" function was applied.
After Kamailio starts, second trunk is the first one to establish
connection:
*Jul 29 21:25:22 kamailio /usr/sbin/kamailio[2645]: DEBUG: <core>
[core/parser/msg_parser.c:154]: get_hdr_field(): cseq <CSeq>: <10>
<OPTIONS>*
*Jul 29 21:25:22 kamailio /usr/sbin/kamailio[2645]: DEBUG: <core>
[core/parser/parse_hname2.c:294]: parse_sip_header_name(): parsed header
name [Call-ID] type 6*
*Jul 29 21:25:22 kamailio /usr/sbin/kamailio[2645]: DEBUG: tm [uac.c:189]:
uac_refresh_hdr_shortcuts(): cseq: [CSeq: 10]*
*Jul 29 21:25:22 kamailio /usr/sbin/kamailio[2645]: DEBUG: <core>
[core/tcp_main.c:1993]: tcp_send(): no open tcp connection found, opening
new one*
*Jul 29 21:25:22 kamailio /usr/sbin/kamailio[2645]: DEBUG: <core>
[core/ip_addr.c:577]: print_ip(): tcpconn_new: new tcp connection:
52.114.75.24*
*Jul 29 21:25:22 kamailio /usr/sbin/kamailio[2645]: DEBUG: <core>
[core/tcp_main.c:1175]: tcpconn_new(): on port 5061, type 3, socket -1*
*Jul 29 21:25:22 kamailio /usr/sbin/kamailio[2645]: DEBUG: <core>
[core/tcp_main.c:1498]: tcpconn_add(): hashes: 2831:67:0, 1*
*Jul 29 21:25:22 kamailio /usr/sbin/kamailio[2645]: DEBUG: tls
[tls_server.c:244]: tls_complete_init(): completing tls connection
initialization*
*Jul 29 21:25:22 kamailio /usr/sbin/kamailio[2645]: DEBUG: tls
[tls_server.c:207]: tls_get_connect_server_name(): xavp with outbound
server name not found*
*Jul 29 21:25:22 kamailio /usr/sbin/kamailio[2645]: DEBUG: tls
[tls_server.c:180]: tls_get_connect_server_id(): xavp with outbound server
id not found*
*Jul 29 21:25:22 kamailio /usr/sbin/kamailio[2645]: DEBUG: tls
[tls_server.c:184]: tls_get_connect_server_id(): found global outbound
server id: kamailio.domain2.com <http://kamailio.domain2.com>*
*Jul 29 21:25:22 kamailio /usr/sbin/kamailio[2645]: DEBUG: tls
[tls_domain.c:1583]: tls_lookup_cfg(): comparing addr: [172.16.30.206:5063
<http://172.16.30.206:5063>] [172.16.30.206:0 <http://172.16.30.206:0>] --
id: [kamailio.domain2.com <http://kamailio.domain2.com>]
[kamailio.domain2.com <http://kamailio.domain2.com>]*
*Jul 29 21:25:22 kamailio /usr/sbin/kamailio[2645]: DEBUG: tls
[tls_domain.c:1586]: tls_lookup_cfg(): TLS config found by server id*
*Jul 29 21:25:22 kamailio /usr/sbin/kamailio[2645]: DEBUG: tls
[tls_server.c:274]: tls_complete_init(): Using initial TLS domain
TLSc<172.16.30.206:5063 <http://172.16.30.206:5063>> (dom 0x7f2d2a5f17a0
ctx 0x7f2d2abebad8 sn [kamailio.domain2.com <http://kamailio.domain2.com>])*
*Jul 29 21:25:22 kamailio /usr/sbin/kamailio[2645]: DEBUG: tls
[tls_domain.c:1208]: tls_lookup_private_key(): Private key lookup for
SSL_CTX-0x7f2d2abebad8: (nil)*
*Jul 29 21:25:22 kamailio /usr/sbin/kamailio[2645]: DEBUG: tls
[tls_domain.c:778]: sr_ssl_ctx_info_callback(): SSL handshake started*
*Jul 29 21:25:22 kamailio /usr/sbin/kamailio[2645]: DEBUG: <core>
[core/tcp_main.c:2888]: tcpconn_1st_send(): pending write on new connection
0x7f2d2afb4680 sock 10 (-1/517 bytes written) (err: 11 - Resource
temporarily unavailable)*
*Jul 29 21:25:22 kamailio /usr/sbin/kamailio[2645]: DEBUG: tm [uac.c:686]:
send_prepared_request_impl(): uac: 0x7f2d2afb1420 branch: 0 to
52.114.75.24:5061 <http://52.114.75.24:5061>*
*# kamcmd core.tcp_list{ id: 1 type: TLS state:
CONN_OK timeout: 3 lifetime: 600 ref_count: 2
src_ip: 52.114.75.24 src_port: 5061 dst_ip: 172.16.30.206
dst_port: 0}{ id: 2 type: TLS state: CONN_OK
timeout: 3 lifetime: 600 ref_count: 2 src_ip:
52.114.75.24 src_port: 4290 dst_ip: 172.16.30.206
dst_port: 5063}{ id: 3 type: TLS state: CONN_OK
timeout: 566 lifetime: 600 ref_count: 1 src_ip:
52.114.75.24 src_port: 4291 dst_ip: 172.16.30.206
dst_port: 5063}*
Then Kamailio initiates connection for the first trunk:
*Jul 29 21:25:22 kamailio /usr/sbin/kamailio[2645]: DEBUG: <core>
[core/parser/msg_parser.c:154]: get_hdr_field(): cseq <CSeq>: <10>
<OPTIONS>*
*Jul 29 21:25:22 kamailio /usr/sbin/kamailio[2645]: DEBUG: <core>
[core/parser/parse_hname2.c:294]: parse_sip_header_name(): parsed header
name [Call-ID] type 6*
*Jul 29 21:25:22 kamailio /usr/sbin/kamailio[2645]: DEBUG: tm [uac.c:189]:
uac_refresh_hdr_shortcuts(): cseq: [CSeq: 10]*
*Jul 29 21:25:22 kamailio /usr/sbin/kamailio[2645]: DEBUG: <core>
[core/tcp_main.c:1610]: _tcpconn_find(): found connection by peer address
(id: 1)*
*Jul 29 21:25:22 kamailio /usr/sbin/kamailio[2645]: DEBUG: tm [uac.c:686]:
send_prepared_request_impl(): uac: 0x7f2d2afce198 branch: 0 to
52.114.75.24:5061 <http://52.114.75.24:5061>*
Although it has to connect from a different socket it sees an active
connection to the same address and uses it instead. It looks like it sends
SIP requests for both trunks through the single TLS connection.
Does anyone know how to make Kamailio create separate TLS connections from
different sockets for different trunks?
Thank you!
Regards, Volodymyr Ivanets
чт, 29 лип. 2021 о 19:48 Володимир Іванець <volodyaivanets(a)gmail.com> пише:
Hello Rob!
Yes, I'm using Letsencrypt while I'm testing. But I would like to be able
to use different certificates with different sockets.
I found this discussion https://github.com/kamailio/kamailio/issues/2413.
Looks like I need to use "tls_set_connect_server_id()" instead of setting
$xavp(tls=>server_name)" and "$xavp(tls[0]=>server_id)".
Unfortunately I'm
currently using Kamailio v5.4 on my test system and this function is not
available. I will update Kamailio and give it another try. Then I will
update everyone in the hope it will be useful for someone :)
Thank you!
Regards, Volodymyr Ivanets
чт, 29 лип. 2021 о 19:07 Rob van den Bulk <rob.van.den.bulk(a)gmail.com>
пише:
Hello, are u using letsencrypt?
U can use a multi domain.
Muti domain names in one certificate
Outlook voor Android <https://aka.ms/AAb9ysg> downloaden
------------------------------
*From:* sr-users <sr-users-bounces(a)lists.kamailio.org> on behalf of
Володимир Іванець <volodyaivanets(a)gmail.com>
*Sent:* Thursday, July 29, 2021 4:44:16 PM
*To:* Kamailio (SER) - Users Mailing List <sr-users(a)lists.kamailio.org>
*Subject:* [SR-Users] Integration with multiple MS Teams instances
Hello all!
I was able to connect Kamailio with MS Teams and now trying to add one
more Teams instance. It looks like I have some misconfiguration or there is
a bug.
My test server has 2 domain records pointing at it (kamailio.domain1.com
and kamailio.domain2.com). My tls.cfg configuration file looks like
this. As you can see the Default section is configured with a
kamailio.domain1.com sertificate:
*[server:default]*
*method = TLSv1.0+*
*require_certificate = no*
*verify_certificate = no*
*private_key =
/var/kamailio/certificates/kamailio.domain1.com/server/key.pem
<http://kamailio.domain1.com/server/key.pem>*
*certificate =
/var/kamailio/certificates/kamailio.domain1.com/server/cert.pem
<http://kamailio.domain1.com/server/cert.pem>*
*ca_list = /var/kamailio/certificates/kamailio.domain1.com/CA/cert.pem
<http://kamailio.domain1.com/CA/cert.pem>*
*[client:default]*
*method = TLSv1.0+*
*require_certificate = no*
*verify_certificate = no*
*private_key =
/var/kamailio/certificates/kamailio.domain1.com/server/key.pem
<http://kamailio.domain1.com/server/key.pem>*
*certificate =
/var/kamailio/certificates/kamailio.domain1.com/server/cert.pem
<http://kamailio.domain1.com/server/cert.pem>*
*ca_list = /var/kamailio/certificates/kamailio.domain1.com/CA/cert.pem
<http://kamailio.domain1.com/CA/cert.pem>*
*[server:172.16.30.206:5062 <http://172.16.30.206:5062>]*
*method = TLSv1.0+*
*require_certificate = no*
*verify_certificate = no*
*private_key =
/var/kamailio/certificates/kamailio.domain1.com/server/key.pem
<http://kamailio.domain1.com/server/key.pem>*
*certificate =
/var/kamailio/certificates/kamailio.domain1.com/server/cert.pem
<http://kamailio.domain1.com/server/cert.pem>*
*ca_list = /var/kamailio/certificates/kamailio.domain1.com/CA/cert.pem
<http://kamailio.domain1.com/CA/cert.pem>*
*server_name = "kamailio.domain1.com <http://kamailio.domain1.com>"*
*server_id = "**"kamailio.domain1.com
<http://kamailio.domain1.com>"*
*[client:172.16.30.206:5062 <http://172.16.30.206:5062>]*
*method = TLSv1.0+*
*require_certificate = no*
*verify_certificate = no*
*private_key =
/var/kamailio/certificates/kamailio.domain1.com/server/key.pem
<http://kamailio.domain1.com/server/key.pem>*
*certificate =
/var/kamailio/certificates/kamailio.domain1.com/server/cert.pem
<http://kamailio.domain1.com/server/cert.pem>*
*ca_list = /var/kamailio/certificates/kamailio.domain1.com/CA/cert.pem
<http://kamailio.domain1.com/CA/cert.pem>*
*[server:172.16.30.206:5063 <http://172.16.30.206:5063>]*
*method = TLSv1.0+*
*require_certificate = no*
*verify_certificate = no*
*private_key =
/var/kamailio/certificates/kamailio.domain2.com/server/key.pem
<http://kamailio.domain2.com/server/key.pem>*
*certificate =
/var/kamailio/certificates/kamailio.domain2.com/server/cert.pem
<http://kamailio.domain2.com/server/cert.pem>*
*ca_list = /var/kamailio/certificates/kamailio.domain2.com/CA/cert.pem
<http://kamailio.domain2.com/CA/cert.pem>*
*server_name = "kamailio.domain2.com <http://kamailio.domain2.com>"*
*server_id = "**"kamailio.domain2.com
<http://kamailio.domain2.com>"*
*[client:172.16.30.206:5063 <http://172.16.30.206:5063>]*
*method = TLSv1.0+*
*require_certificate = no*
*verify_certificate = no*
*private_key =
/var/kamailio/certificates/kamailio.domain2.com/server/key.pem
<http://kamailio.domain2.com/server/key.pem>*
*certificate =
/var/kamailio/certificates/kamailio.domain2.com/server/cert.pem
<http://kamailio.domain2.com/server/cert.pem>*
*ca_list = /var/kamailio/certificates/kamailio.domain2.com/CA/cert.pem
<http://kamailio.domain2.com/CA/cert.pem>*
The dispatcher configuration table looks like this:
+----+-------+----------------------------------------------+-------+----------+--------------------------------------------------------------------+-------------+
| id | setid | destination | flags |
priority | attrs
| description |
+----+-------+----------------------------------------------+-------+----------+--------------------------------------------------------------------+-------------+
| 1 | 1 | sip:sip.pstnhub.microsoft.com;transport=tls | 0 |
3 | socket=tls:172.16.30.206:5062;ping_from=sip:kamailio.domain1.com |
MS Teams 1 |
| 2 | 2 | sip:sip.pstnhub.microsoft.com;transport=tls | 0 |
3 | socket=tls:172.16.30.206:5063;ping_from=sip:kamailio.domain2.com |
MS Teams 2 |
+----+-------+----------------------------------------------+-------+----------+--------------------------------------------------------------------+-------------+
When Kamailio is started only connection with the first trunk is
established:
*# kamcmd tls.list*
*{*
* id: 1*
* timeout: 0*
* src_ip: 52.114.75.24*
* src_port: 5061*
* dst_ip: 172.16.30.206*
* dst_port: 0*
* cipher: ECDHE-RSA-AES256-GCM-SHA384 TLSv1.2 Kx=ECDH Au=RSA
Enc=AESGCM(256) Mac=AEAD*
* ct_wq_size: 0*
* enc_rd_buf: 0*
* flags: 2*
* state: established*
*}*
*{*
* id: 2*
* timeout: 0*
* src_ip: 52.114.75.24*
* src_port: 7810*
* dst_ip: 172.16.30.206*
* dst_port: 5062*
* cipher: AES256-GCM-SHA384 TLSv1.2 Kx=RSA Au=RSA
Enc=AESGCM(256) Mac=AEAD*
* ct_wq_size: 0*
* enc_rd_buf: 0*
* flags: 2*
* state: established*
*}*
*{*
* id: 3*
* timeout: 596*
* src_ip: 52.114.75.24*
* src_port: 7811*
* dst_ip: 172.16.30.206*
* dst_port: 5062*
* cipher: AES256-GCM-SHA384 TLSv1.2 Kx=RSA Au=RSA
Enc=AESGCM(256) Mac=AEAD*
* ct_wq_size: 0*
* enc_rd_buf: 0*
* flags: 2*
* state: established*
*}*
Here is what I can see in Kamailio log file when it sends an OPTIONS
request to the second trunk. Kamailio uses Default tls configuration and MS
Teams don't accept it:
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: ALERT: <script>: ==
TRACE. tm:local-request. fs is tls:172.16.30.206:5063
<http://172.16.30.206:5063>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tm
[uac.c:352]: t_run_local_req(): apply new updates without Via to sip msg*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/msg_translator.c:1796]: check_boundaries(): no multi-part body*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:610]: parse_msg(): SIP Request:*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:612]: parse_msg(): method: <OPTIONS>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:614]: parse_msg(): uri:
<sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:616]: parse_msg(): version: <SIP/2.0>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/parse_via.c:1303]: parse_via_param(): Found param type 232,
<branch> = <z9hG4bK169b.6411b4c3000000000000000000000000.0>; state=16*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/parse_via.c:2639]: parse_via(): end of header reached, state=5*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:498]: parse_headers(): Via found, flags=2*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:500]: parse_headers(): this is the first via*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/parse_addr_spec.c:864]: parse_addr_spec(): end of header
reached, state=10*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:171]: get_hdr_field(): <To> [47];
uri=[sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls]*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:174]: get_hdr_field(): to body
(47)[<sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls>^M*
*], to tag (0)[]*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:152]: get_hdr_field(): cseq <CSeq>: <10>
<OPTIONS>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:185]: get_hdr_field(): content_length=0*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:89]: get_hdr_field(): found end of header*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:610]: parse_msg(): SIP Request:*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:612]: parse_msg(): method: <OPTIONS>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:614]: parse_msg(): uri:
<sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:616]: parse_msg(): version: <SIP/2.0>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/parse_via.c:1303]: parse_via_param(): Found param type 232,
<branch> = <z9hG4bK169b.6411b4c3000000000000000000000000.0>; state=16*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/parse_via.c:2639]: parse_via(): end of header reached, state=5*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:498]: parse_headers(): Via found, flags=2*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:500]: parse_headers(): this is the first via*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/parse_addr_spec.c:864]: parse_addr_spec(): end of header
reached, state=10*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:171]: get_hdr_field(): <To> [47];
uri=[sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls]*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:174]: get_hdr_field(): to body
(47)[<sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls>^M*
*], to tag (0)[]*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:152]: get_hdr_field(): cseq <CSeq>: <10>
<OPTIONS>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tm
[uac.c:189]: uac_refresh_hdr_shortcuts(): cseq: [CSeq: 10]*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/tcp_main.c:1993]: tcp_send(): no open tcp connection found, opening
new one*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/ip_addr.c:229]: print_ip(): tcpconn_new: new tcp connection:
52.114.75.24*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/tcp_main.c:1175]: tcpconn_new(): on port 5061, type 3, socket -1*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/tcp_main.c:1498]: tcpconn_add(): hashes: 2831:67:0, 1*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls
[tls_server.c:199]: tls_complete_init(): completing tls connection
initialization*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls
[tls_server.c:162]: tls_get_connect_server_name(): xavp with outbound
server name not found*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls
[tls_server.c:142]: tls_get_connect_server_id(): xavp with outbound server
id not found*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls
[tls_server.c:228]: tls_complete_init(): Using initial TLS domain
TLSc<default> (dom 0x7f35509da688 ctx 0x7f3550b7a568 sn [])*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls
[tls_domain.c:1177]: tls_lookup_private_key(): Private key lookup for
SSL_CTX-0x7f3550b7a568: (nil)*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls
[tls_domain.c:747]: sr_ssl_ctx_info_callback(): SSL handshake started*
*...*
If I change the Default configuration to use kamailio.domain2.com
certificate, the second trunk will connect but the first one will fail.
I tried to set "$xavp(tls=>server_name)" and
"$xavp(tls[0]=>server_id)"
variables to the event_route[tm:local-request] section but log still stated
that server Name and ID were not found.
Can someone please point me in the right direction, how can I make
Kamailio use the correct certificates when establishing multiple TLS
connections?
Thanks a lot!
Regards, Volodymyr Ivanets
__________________________________________________________
Kamailio - Users Mailing List - Non Commercial Discussions
* sr-users(a)lists.kamailio.org
Important: keep the mailing list in the recipients, do not reply only to
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2 Aug
2 Aug
12:44 p.m.
Hello,
upgrading is the recommended way, indeed, if you want to use
tls_set_connect_server_id(). For older version you may want to try
looping back to kamailio (can be over udp) and the use the xavps. Adds
some overhead and hops, but if you are stuck to a version and can't
really upgrade soon, might be an option to look at.
Cheers,
Daniel
On 29.07.21 18:48, Володимир Іванець wrote:
Hello Rob!
Yes, I'm using Letsencrypt while I'm testing. But I would like to be
able to use different certificates with different sockets.
I found this
discussion https://github.com/kamailio/kamailio/issues/2413
<https://github.com/kamailio/kamailio/issues/2413>. Looks like I need
to use "tls_set_connect_server_id()" instead of setting
$xavp(tls=>server_name)" and "$xavp(tls[0]=>server_id)".
Unfortunately
I'm currently using Kamailio v5.4 on my test system and this function
is not available. I will update Kamailio and give it another try. Then
I will update everyone in the hope it will be useful for someone :)
Thank you!
Regards, Volodymyr Ivanets
чт, 29 лип. 2021 о 19:07 Rob van den Bulk <rob.van.den.bulk(a)gmail.com
<mailto:rob.van.den.bulk@gmail.com>> пише:
Hello, are u using letsencrypt?
U can use a multi domain.
Muti domain names in one certificate
Outlook voor Android <https://aka.ms/AAb9ysg> downloaden
------------------------------------------------------------------------
*From:* sr-users <sr-users-bounces(a)lists.kamailio.org
<mailto:sr-users-bounces@lists.kamailio.org>> on behalf of
Володимир Іванець <volodyaivanets(a)gmail.com
<mailto:volodyaivanets@gmail.com>>
*Sent:* Thursday, July 29, 2021 4:44:16 PM
*To:* Kamailio (SER) - Users Mailing List
<sr-users(a)lists.kamailio.org <mailto:sr-users@lists.kamailio.org>>
*Subject:* [SR-Users] Integration with multiple MS Teams instances
Hello all!
I was able to connect Kamailio with MS Teams and now trying to add
one more Teams instance. It looks like I have some
misconfiguration or there is a bug.
My test server has 2 domain records pointing at it
(kamailio.domain1.com <http://kamailio.domain1.com> and
kamailio.domain2.com <http://kamailio.domain2.com>). My tls.cfg
configuration file looks like this. As you can see the Default
section is configured with a kamailio.domain1.com
<http://kamailio.domain1.com> sertificate:
/[server:default]/
/method = TLSv1.0+/
/require_certificate = no/
/verify_certificate = no/
/private_key =
/var/kamailio/certificates/kamailio.domain1.com/server/key.pem
<http://kamailio.domain1.com/server/key.pem>/
/certificate =
/var/kamailio/certificates/kamailio.domain1.com/server/cert.pem
<http://kamailio.domain1.com/server/cert.pem>/
/ca_list =
/var/kamailio/certificates/kamailio.domain1.com/CA/cert.pem
<http://kamailio.domain1.com/CA/cert.pem>/
/
/
/[client:default]/
/method = TLSv1.0+/
/require_certificate = no/
/verify_certificate = no/
/private_key =
/var/kamailio/certificates/kamailio.domain1.com/server/key.pem
<http://kamailio.domain1.com/server/key.pem>/
/certificate =
/var/kamailio/certificates/kamailio.domain1.com/server/cert.pem
<http://kamailio.domain1.com/server/cert.pem>/
/ca_list =
/var/kamailio/certificates/kamailio.domain1.com/CA/cert.pem
<http://kamailio.domain1.com/CA/cert.pem>/
/
/
/
/
/[server:172.16.30.206:5062 <http://172.16.30.206:5062>]/
/method = TLSv1.0+/
/require_certificate = no/
/verify_certificate = no/
/private_key =
/var/kamailio/certificates/kamailio.domain1.com/server/key.pem
<http://kamailio.domain1.com/server/key.pem>/
/certificate =
/var/kamailio/certificates/kamailio.domain1.com/server/cert.pem
<http://kamailio.domain1.com/server/cert.pem>/
/ca_list =
/var/kamailio/certificates/kamailio.domain1.com/CA/cert.pem
<http://kamailio.domain1.com/CA/cert.pem>/
/server_name = "kamailio.domain1.com
<http://kamailio.domain1.com>"/
/server_id = "//"kamailio.domain1.com
<http://kamailio.domain1.com>"//
/
/
/
/[client:172.16.30.206:5062 <http://172.16.30.206:5062>]/
/method = TLSv1.0+/
/require_certificate = no/
/verify_certificate = no/
/private_key =
/var/kamailio/certificates/kamailio.domain1.com/server/key.pem
<http://kamailio.domain1.com/server/key.pem>/
/certificate =
/var/kamailio/certificates/kamailio.domain1.com/server/cert.pem
<http://kamailio.domain1.com/server/cert.pem>/
/ca_list =
/var/kamailio/certificates/kamailio.domain1.com/CA/cert.pem
<http://kamailio.domain1.com/CA/cert.pem>/
/
/
/[server:172.16.30.206:5063 <http://172.16.30.206:5063>]/
/method = TLSv1.0+/
/require_certificate = no/
/verify_certificate = no/
/private_key =
/var/kamailio/certificates/kamailio.domain2.com/server/key.pem
<http://kamailio.domain2.com/server/key.pem>/
/certificate =
/var/kamailio/certificates/kamailio.domain2.com/server/cert.pem
<http://kamailio.domain2.com/server/cert.pem>/
/ca_list =
/var/kamailio/certificates/kamailio.domain2.com/CA/cert.pem
<http://kamailio.domain2.com/CA/cert.pem>/
/server_name = "kamailio.domain2.com
<http://kamailio.domain2.com>"/
/server_id = "//"kamailio.domain2.com
<http://kamailio.domain2.com>"/
/
/
/[client:172.16.30.206:5063 <http://172.16.30.206:5063>]/
/method = TLSv1.0+/
/require_certificate = no/
/verify_certificate = no/
/private_key =
/var/kamailio/certificates/kamailio.domain2.com/server/key.pem
<http://kamailio.domain2.com/server/key.pem>/
/certificate =
/var/kamailio/certificates/kamailio.domain2.com/server/cert.pem
<http://kamailio.domain2.com/server/cert.pem>/
/ca_list =
/var/kamailio/certificates/kamailio.domain2.com/CA/cert.pem
<http://kamailio.domain2.com/CA/cert.pem>/
The dispatcher configuration table looks like this:
+----+-------+----------------------------------------------+-------+----------+--------------------------------------------------------------------+-------------+
| id | setid | destination |
flags | priority | attrs
| description |
+----+-------+----------------------------------------------+-------+----------+--------------------------------------------------------------------+-------------+
| 1 | 1 | sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls | 0 |
3 |
socket=tls:172.16.30.206:5062;ping_from=sip:kamailio.domain1.com
<http://kamailio.domain1.com> | MS Teams 1 |
| 2 | 2 | sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls | 0 |
3 |
socket=tls:172.16.30.206:5063;ping_from=sip:kamailio.domain2.com
<http://kamailio.domain2.com> | MS Teams 2 |
+----+-------+----------------------------------------------+-------+----------+--------------------------------------------------------------------+-------------+
When Kamailio is started only connection with the first trunk is
established:
/# kamcmd tls.list/
/{/
/ id: 1/
/ timeout: 0/
/ src_ip: 52.114.75.24/
/ src_port: 5061/
/ dst_ip: 172.16.30.206/
/ dst_port: 0/
/ cipher: ECDHE-RSA-AES256-GCM-SHA384 TLSv1.2 Kx=ECDH
Au=RSA Enc=AESGCM(256) Mac=AEAD/
/ ct_wq_size: 0/
/ enc_rd_buf: 0/
/ flags: 2/
/ state: established/
/}/
/{/
/ id: 2/
/ timeout: 0/
/ src_ip: 52.114.75.24/
/ src_port: 7810/
/ dst_ip: 172.16.30.206/
/ dst_port: 5062/
/ cipher: AES256-GCM-SHA384 TLSv1.2 Kx=RSA
Au=RSA Enc=AESGCM(256) Mac=AEAD/
/ ct_wq_size: 0/
/ enc_rd_buf: 0/
/ flags: 2/
/ state: established/
/}/
/{/
/ id: 3/
/ timeout: 596/
/ src_ip: 52.114.75.24/
/ src_port: 7811/
/ dst_ip: 172.16.30.206/
/ dst_port: 5062/
/ cipher: AES256-GCM-SHA384 TLSv1.2 Kx=RSA
Au=RSA Enc=AESGCM(256) Mac=AEAD/
/ ct_wq_size: 0/
/ enc_rd_buf: 0/
/ flags: 2/
/ state: established/
/}/
Here is what I can see in Kamailio log file when it sends an
OPTIONS request to the second trunk. Kamailio uses Default tls
configuration and MS Teams don't accept it:
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: ALERT:
<script>: == TRACE. tm:local-request. fs is
tls:172.16.30.206:5063 <http://172.16.30.206:5063>/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tm
[uac.c:352]: t_run_local_req(): apply new updates without Via
to sip msg/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core> [core/msg_translator.c:1796]: check_boundaries(): no
multi-part body/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core> [core/parser/msg_parser.c:610]: parse_msg(): SIP Request:/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core> [core/parser/msg_parser.c:612]: parse_msg(): method:
<OPTIONS>/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core> [core/parser/msg_parser.c:614]: parse_msg(): uri:
<sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls>/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core> [core/parser/msg_parser.c:616]: parse_msg(): version:
<SIP/2.0>/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core> [core/parser/parse_via.c:1303]: parse_via_param():
Found param type 232, <branch> =
<z9hG4bK169b.6411b4c3000000000000000000000000.0>; state=16/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core> [core/parser/parse_via.c:2639]: parse_via(): end of
header reached, state=5/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core> [core/parser/msg_parser.c:498]: parse_headers(): Via
found, flags=2/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core> [core/parser/msg_parser.c:500]: parse_headers(): this
is the first via/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core> [core/parser/parse_addr_spec.c:864]: parse_addr_spec():
end of header reached, state=10/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core> [core/parser/msg_parser.c:171]: get_hdr_field(): <To>
[47]; uri=[sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls]/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core> [core/parser/msg_parser.c:174]: get_hdr_field(): to
body (47)[<sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls>^M/
/], to tag (0)[]/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core> [core/parser/msg_parser.c:152]: get_hdr_field(): cseq
<CSeq>: <10> <OPTIONS>/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core> [core/parser/msg_parser.c:185]: get_hdr_field():
content_length=0/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core> [core/parser/msg_parser.c:89]: get_hdr_field(): found
end of header/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core> [core/parser/msg_parser.c:610]: parse_msg(): SIP Request:/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core> [core/parser/msg_parser.c:612]: parse_msg(): method:
<OPTIONS>/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core> [core/parser/msg_parser.c:614]: parse_msg(): uri:
<sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls>/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core> [core/parser/msg_parser.c:616]: parse_msg(): version:
<SIP/2.0>/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core> [core/parser/parse_via.c:1303]: parse_via_param():
Found param type 232, <branch> =
<z9hG4bK169b.6411b4c3000000000000000000000000.0>; state=16/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core> [core/parser/parse_via.c:2639]: parse_via(): end of
header reached, state=5/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core> [core/parser/msg_parser.c:498]: parse_headers(): Via
found, flags=2/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core> [core/parser/msg_parser.c:500]: parse_headers(): this
is the first via/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core> [core/parser/parse_addr_spec.c:864]: parse_addr_spec():
end of header reached, state=10/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core> [core/parser/msg_parser.c:171]: get_hdr_field(): <To>
[47]; uri=[sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls]/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core> [core/parser/msg_parser.c:174]: get_hdr_field(): to
body (47)[<sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls>^M/
/], to tag (0)[]/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core> [core/parser/msg_parser.c:152]: get_hdr_field(): cseq
<CSeq>: <10> <OPTIONS>/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tm
[uac.c:189]: uac_refresh_hdr_shortcuts(): cseq: [CSeq: 10]/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core> [core/tcp_main.c:1993]: tcp_send(): no open tcp
connection found, opening new one/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core> [core/ip_addr.c:229]: print_ip(): tcpconn_new: new tcp
connection: 52.114.75.24/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core> [core/tcp_main.c:1175]: tcpconn_new(): on port 5061,
type 3, socket -1/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core> [core/tcp_main.c:1498]: tcpconn_add(): hashes:
2831:67:0, 1/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
tls [tls_server.c:199]: tls_complete_init(): completing tls
connection initialization/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
tls [tls_server.c:162]: tls_get_connect_server_name(): *xavp
with outbound server name not found*/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
tls [tls_server.c:142]: tls_get_connect_server_id(): *xavp
with outbound server id not found*/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
tls [tls_server.c:228]: tls_complete_init(): *Using initial
TLS domain TLSc<default>* (dom 0x7f35509da688 ctx
0x7f3550b7a568 sn [])/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
tls [tls_domain.c:1177]: tls_lookup_private_key(): Private key
lookup for SSL_CTX-0x7f3550b7a568: (nil)/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
tls [tls_domain.c:747]: sr_ssl_ctx_info_callback(): SSL
handshake started/
/.../
If I change the Default configuration to use kamailio.domain2.com
<http://kamailio.domain2.com> certificate, the second trunk will
connect but the first one will fail.
I tried to set "$xavp(tls=>server_name)" and
"$xavp(tls[0]=>server_id)" variables to
the event_route[tm:local-request] section but log still stated
that server Name and ID were not found.
Can someone please point me in the right direction, how can I make
Kamailio use the correct certificates when establishing multiple
TLS connections?
Thanks a lot!
Regards, Volodymyr Ivanets
__________________________________________________________
Kamailio - Users Mailing List - Non Commercial Discussions
* sr-users(a)lists.kamailio.org <mailto:sr-users@lists.kamailio.org>
Important: keep the mailing list in the recipients, do not reply
only to the sender!
Edit mailing list options or unsubscribe:
* https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
<https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users>
__________________________________________________________
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* sr-users(a)lists.kamailio.org
Important: keep the mailing list in the recipients, do not reply only to the sender!
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--
Daniel-Constantin Mierla -- www.asipto.com
www.twitter.com/miconda -- www.linkedin.com/in/miconda
6:21 p.m.
Hello Daniel!
I updated Kamailio to the latest released version. The problem is that
still with tls_set_connect_server_id() I can not make a single instance of
Kamailio connect to multiple MS Teams domains. I use a single IP address
with different ports for different trunks. I can see it establishing a
connection to one trunk and using it for other domains.
Is there a way to force Kamailio to make a new TLS connection to the same
peer address that it is already connected to?
Thank you!
Regards, Volodymyr Ivanets.
пн, 2 серп. 2021 о 13:44 Daniel-Constantin Mierla <miconda(a)gmail.com> пише:
Hello,
upgrading is the recommended way, indeed, if you want to use
tls_set_connect_server_id(). For older version you may want to try looping
back to kamailio (can be over udp) and the use the xavps. Adds some
overhead and hops, but if you are stuck to a version and can't really
upgrade soon, might be an option to look at.
Cheers,
Daniel
On 29.07.21 18:48, Володимир Іванець wrote:
Hello Rob!
Yes, I'm using Letsencrypt while I'm testing. But I would like to be able
to use different certificates with different sockets.
I found this discussion https://github.com/kamailio/kamailio/issues/2413.
Looks like I need to use "tls_set_connect_server_id()" instead of setting
$xavp(tls=>server_name)" and "$xavp(tls[0]=>server_id)".
Unfortunately I'm
currently using Kamailio v5.4 on my test system and this function is not
available. I will update Kamailio and give it another try. Then I will
update everyone in the hope it will be useful for someone :)
Thank you!
Regards, Volodymyr Ivanets
чт, 29 лип. 2021 о 19:07 Rob van den Bulk <rob.van.den.bulk(a)gmail.com>
пише:
Hello, are u using letsencrypt?
U can use a multi domain.
Muti domain names in one certificate
Outlook voor Android <https://aka.ms/AAb9ysg> downloaden
------------------------------
*From:* sr-users <sr-users-bounces(a)lists.kamailio.org> on behalf of
Володимир Іванець <volodyaivanets(a)gmail.com>
*Sent:* Thursday, July 29, 2021 4:44:16 PM
*To:* Kamailio (SER) - Users Mailing List <sr-users(a)lists.kamailio.org>
*Subject:* [SR-Users] Integration with multiple MS Teams instances
Hello all!
I was able to connect Kamailio with MS Teams and now trying to add one
more Teams instance. It looks like I have some misconfiguration or there is
a bug.
My test server has 2 domain records pointing at it (kamailio.domain1.com
and kamailio.domain2.com). My tls.cfg configuration file looks like
this. As you can see the Default section is configured with a
kamailio.domain1.com sertificate:
*[server:default]*
*method = TLSv1.0+*
*require_certificate = no*
*verify_certificate = no*
*private_key =
/var/kamailio/certificates/kamailio.domain1.com/server/key.pem
<http://kamailio.domain1.com/server/key.pem>*
*certificate =
/var/kamailio/certificates/kamailio.domain1.com/server/cert.pem
<http://kamailio.domain1.com/server/cert.pem>*
*ca_list = /var/kamailio/certificates/kamailio.domain1.com/CA/cert.pem
<http://kamailio.domain1.com/CA/cert.pem>*
*[client:default]*
*method = TLSv1.0+*
*require_certificate = no*
*verify_certificate = no*
*private_key =
/var/kamailio/certificates/kamailio.domain1.com/server/key.pem
<http://kamailio.domain1.com/server/key.pem>*
*certificate =
/var/kamailio/certificates/kamailio.domain1.com/server/cert.pem
<http://kamailio.domain1.com/server/cert.pem>*
*ca_list = /var/kamailio/certificates/kamailio.domain1.com/CA/cert.pem
<http://kamailio.domain1.com/CA/cert.pem>*
*[server:172.16.30.206:5062 <http://172.16.30.206:5062>]*
*method = TLSv1.0+*
*require_certificate = no*
*verify_certificate = no*
*private_key =
/var/kamailio/certificates/kamailio.domain1.com/server/key.pem
<http://kamailio.domain1.com/server/key.pem>*
*certificate =
/var/kamailio/certificates/kamailio.domain1.com/server/cert.pem
<http://kamailio.domain1.com/server/cert.pem>*
*ca_list = /var/kamailio/certificates/kamailio.domain1.com/CA/cert.pem
<http://kamailio.domain1.com/CA/cert.pem>*
*server_name = "kamailio.domain1.com <http://kamailio.domain1.com>"*
*server_id = "**"kamailio.domain1.com
<http://kamailio.domain1.com>"*
*[client:172.16.30.206:5062 <http://172.16.30.206:5062>]*
*method = TLSv1.0+*
*require_certificate = no*
*verify_certificate = no*
*private_key =
/var/kamailio/certificates/kamailio.domain1.com/server/key.pem
<http://kamailio.domain1.com/server/key.pem>*
*certificate =
/var/kamailio/certificates/kamailio.domain1.com/server/cert.pem
<http://kamailio.domain1.com/server/cert.pem>*
*ca_list = /var/kamailio/certificates/kamailio.domain1.com/CA/cert.pem
<http://kamailio.domain1.com/CA/cert.pem>*
*[server:172.16.30.206:5063 <http://172.16.30.206:5063>]*
*method = TLSv1.0+*
*require_certificate = no*
*verify_certificate = no*
*private_key =
/var/kamailio/certificates/kamailio.domain2.com/server/key.pem
<http://kamailio.domain2.com/server/key.pem>*
*certificate =
/var/kamailio/certificates/kamailio.domain2.com/server/cert.pem
<http://kamailio.domain2.com/server/cert.pem>*
*ca_list = /var/kamailio/certificates/kamailio.domain2.com/CA/cert.pem
<http://kamailio.domain2.com/CA/cert.pem>*
*server_name = "kamailio.domain2.com <http://kamailio.domain2.com>"*
*server_id = "**"kamailio.domain2.com
<http://kamailio.domain2.com>"*
*[client:172.16.30.206:5063 <http://172.16.30.206:5063>]*
*method = TLSv1.0+*
*require_certificate = no*
*verify_certificate = no*
*private_key =
/var/kamailio/certificates/kamailio.domain2.com/server/key.pem
<http://kamailio.domain2.com/server/key.pem>*
*certificate =
/var/kamailio/certificates/kamailio.domain2.com/server/cert.pem
<http://kamailio.domain2.com/server/cert.pem>*
*ca_list = /var/kamailio/certificates/kamailio.domain2.com/CA/cert.pem
<http://kamailio.domain2.com/CA/cert.pem>*
The dispatcher configuration table looks like this:
+----+-------+----------------------------------------------+-------+----------+--------------------------------------------------------------------+-------------+
| id | setid | destination | flags |
priority | attrs
| description |
+----+-------+----------------------------------------------+-------+----------+--------------------------------------------------------------------+-------------+
| 1 | 1 | sip:sip.pstnhub.microsoft.com;transport=tls | 0 |
3 | socket=tls:172.16.30.206:5062;ping_from=sip:kamailio.domain1.com |
MS Teams 1 |
| 2 | 2 | sip:sip.pstnhub.microsoft.com;transport=tls | 0 |
3 | socket=tls:172.16.30.206:5063;ping_from=sip:kamailio.domain2.com |
MS Teams 2 |
+----+-------+----------------------------------------------+-------+----------+--------------------------------------------------------------------+-------------+
When Kamailio is started only connection with the first trunk is
established:
*# kamcmd tls.list*
*{*
* id: 1*
* timeout: 0*
* src_ip: 52.114.75.24*
* src_port: 5061*
* dst_ip: 172.16.30.206*
* dst_port: 0*
* cipher: ECDHE-RSA-AES256-GCM-SHA384 TLSv1.2 Kx=ECDH Au=RSA
Enc=AESGCM(256) Mac=AEAD*
* ct_wq_size: 0*
* enc_rd_buf: 0*
* flags: 2*
* state: established*
*}*
*{*
* id: 2*
* timeout: 0*
* src_ip: 52.114.75.24*
* src_port: 7810*
* dst_ip: 172.16.30.206*
* dst_port: 5062*
* cipher: AES256-GCM-SHA384 TLSv1.2 Kx=RSA Au=RSA
Enc=AESGCM(256) Mac=AEAD*
* ct_wq_size: 0*
* enc_rd_buf: 0*
* flags: 2*
* state: established*
*}*
*{*
* id: 3*
* timeout: 596*
* src_ip: 52.114.75.24*
* src_port: 7811*
* dst_ip: 172.16.30.206*
* dst_port: 5062*
* cipher: AES256-GCM-SHA384 TLSv1.2 Kx=RSA Au=RSA
Enc=AESGCM(256) Mac=AEAD*
* ct_wq_size: 0*
* enc_rd_buf: 0*
* flags: 2*
* state: established*
*}*
Here is what I can see in Kamailio log file when it sends an OPTIONS
request to the second trunk. Kamailio uses Default tls configuration and MS
Teams don't accept it:
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: ALERT: <script>: ==
TRACE. tm:local-request. fs is tls:172.16.30.206:5063
<http://172.16.30.206:5063>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tm
[uac.c:352]: t_run_local_req(): apply new updates without Via to sip msg*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/msg_translator.c:1796]: check_boundaries(): no multi-part body*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:610]: parse_msg(): SIP Request:*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:612]: parse_msg(): method: <OPTIONS>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:614]: parse_msg(): uri:
<sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:616]: parse_msg(): version: <SIP/2.0>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/parse_via.c:1303]: parse_via_param(): Found param type 232,
<branch> = <z9hG4bK169b.6411b4c3000000000000000000000000.0>; state=16*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/parse_via.c:2639]: parse_via(): end of header reached, state=5*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:498]: parse_headers(): Via found, flags=2*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:500]: parse_headers(): this is the first via*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/parse_addr_spec.c:864]: parse_addr_spec(): end of header
reached, state=10*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:171]: get_hdr_field(): <To> [47];
uri=[sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls]*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:174]: get_hdr_field(): to body
(47)[<sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls>^M*
*], to tag (0)[]*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:152]: get_hdr_field(): cseq <CSeq>: <10>
<OPTIONS>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:185]: get_hdr_field(): content_length=0*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:89]: get_hdr_field(): found end of header*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:610]: parse_msg(): SIP Request:*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:612]: parse_msg(): method: <OPTIONS>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:614]: parse_msg(): uri:
<sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:616]: parse_msg(): version: <SIP/2.0>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/parse_via.c:1303]: parse_via_param(): Found param type 232,
<branch> = <z9hG4bK169b.6411b4c3000000000000000000000000.0>; state=16*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/parse_via.c:2639]: parse_via(): end of header reached, state=5*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:498]: parse_headers(): Via found, flags=2*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:500]: parse_headers(): this is the first via*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/parse_addr_spec.c:864]: parse_addr_spec(): end of header
reached, state=10*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:171]: get_hdr_field(): <To> [47];
uri=[sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls]*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:174]: get_hdr_field(): to body
(47)[<sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls>^M*
*], to tag (0)[]*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:152]: get_hdr_field(): cseq <CSeq>: <10>
<OPTIONS>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tm
[uac.c:189]: uac_refresh_hdr_shortcuts(): cseq: [CSeq: 10]*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/tcp_main.c:1993]: tcp_send(): no open tcp connection found, opening
new one*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/ip_addr.c:229]: print_ip(): tcpconn_new: new tcp connection:
52.114.75.24*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/tcp_main.c:1175]: tcpconn_new(): on port 5061, type 3, socket -1*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/tcp_main.c:1498]: tcpconn_add(): hashes: 2831:67:0, 1*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls
[tls_server.c:199]: tls_complete_init(): completing tls connection
initialization*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls
[tls_server.c:162]: tls_get_connect_server_name(): xavp with outbound
server name not found*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls
[tls_server.c:142]: tls_get_connect_server_id(): xavp with outbound server
id not found*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls
[tls_server.c:228]: tls_complete_init(): Using initial TLS domain
TLSc<default> (dom 0x7f35509da688 ctx 0x7f3550b7a568 sn [])*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls
[tls_domain.c:1177]: tls_lookup_private_key(): Private key lookup for
SSL_CTX-0x7f3550b7a568: (nil)*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls
[tls_domain.c:747]: sr_ssl_ctx_info_callback(): SSL handshake started*
*...*
If I change the Default configuration to use kamailio.domain2.com
certificate, the second trunk will connect but the first one will fail.
I tried to set "$xavp(tls=>server_name)" and
"$xavp(tls[0]=>server_id)"
variables to the event_route[tm:local-request] section but log still stated
that server Name and ID were not found.
Can someone please point me in the right direction, how can I make
Kamailio use the correct certificates when establishing multiple TLS
connections?
Thanks a lot!
Regards, Volodymyr Ivanets
__________________________________________________________
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* sr-users(a)lists.kamailio.org
Important: keep the mailing list in the recipients, do not reply only to
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* sr-users(a)lists.kamailio.org
Important: keep the mailing list in the recipients, do not reply only to the sender!
Edit mailing list options or unsubscribe:
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--
Daniel-Constantin Mierla -- www.asipto.comwww.twitter.com/miconda --
www.linkedin.com/in/miconda
9:21 p.m.
Hello,
do you force local send socket?
Cheers,
Daniel
On 02.08.21 18:21, Володимир Іванець wrote:
Hello Daniel!
I updated Kamailio to the latest released version. The problem is that
still with tls_set_connect_server_id() I can not make a single
instance of Kamailio connect to multiple MS Teams domains. I use a
single IP address with different ports for different trunks. I can see
it establishing a connection to one trunk and using it for other domains.
Is there a way to force Kamailio to make a new TLS connection to the
same peer address that it is already connected to?
Thank you!
Regards, Volodymyr Ivanets.
пн, 2 серп. 2021 о 13:44 Daniel-Constantin Mierla <miconda(a)gmail.com
<mailto:miconda@gmail.com>> пише:
Hello,
upgrading is the recommended way, indeed, if you want to use
tls_set_connect_server_id(). For older version you may want to try
looping back to kamailio (can be over udp) and the use the xavps.
Adds some overhead and hops, but if you are stuck to a version and
can't really upgrade soon, might be an option to look at.
Cheers,
Daniel
On 29.07.21 18:48, Володимир Іванець wrote:
--
Daniel-Constantin Mierla -- www.asipto.com
www.twitter.com/miconda -- www.linkedin.com/in/miconda
Hello Rob!
Yes, I'm using Letsencrypt while I'm testing. But I would like to
be able to use different certificates with different sockets.
I found this
discussion https://github.com/kamailio/kamailio/issues/2413
<https://github.com/kamailio/kamailio/issues/2413>. Looks like I
need to use "tls_set_connect_server_id()" instead of setting
$xavp(tls=>server_name)" and "$xavp(tls[0]=>server_id)".
Unfortunately I'm currently using Kamailio v5.4 on my test system
and this function is not available. I will update Kamailio and
give it another try. Then I will update everyone in the hope it
will be useful for someone :)
Thank you!
Regards, Volodymyr Ivanets
чт, 29 лип. 2021 о 19:07 Rob van den Bulk
<rob.van.den.bulk(a)gmail.com <mailto:rob.van.den.bulk@gmail.com>>
пише:
Hello, are u using letsencrypt?
U can use a multi domain.
Muti domain names in one certificate
Outlook voor Android <https://aka.ms/AAb9ysg> downloaden
------------------------------------------------------------------------
*From:* sr-users <sr-users-bounces(a)lists.kamailio.org
<mailto:sr-users-bounces@lists.kamailio.org>> on behalf of
Володимир Іванець <volodyaivanets(a)gmail.com
<mailto:volodyaivanets@gmail.com>>
*Sent:* Thursday, July 29, 2021 4:44:16 PM
*To:* Kamailio (SER) - Users Mailing List
<sr-users(a)lists.kamailio.org
<mailto:sr-users@lists.kamailio.org>>
*Subject:* [SR-Users] Integration with multiple MS Teams
instances
Hello all!
I was able to connect Kamailio with MS Teams and now trying
to add one more Teams instance. It looks like I have some
misconfiguration or there is a bug.
My test server has 2 domain records pointing at it
(kamailio.domain1.com <http://kamailio.domain1.com> and
kamailio.domain2.com <http://kamailio.domain2.com>). My
tls.cfg configuration file looks like this. As you can see
the Default section is configured with a kamailio.domain1.com
<http://kamailio.domain1.com> sertificate:
/[server:default]/
/method = TLSv1.0+/
/require_certificate = no/
/verify_certificate = no/
/private_key =
/var/kamailio/certificates/kamailio.domain1.com/server/key.pem
<http://kamailio.domain1.com/server/key.pem>/
/certificate =
/var/kamailio/certificates/kamailio.domain1.com/server/cert.pem
<http://kamailio.domain1.com/server/cert.pem>/
/ca_list =
/var/kamailio/certificates/kamailio.domain1.com/CA/cert.pem
<http://kamailio.domain1.com/CA/cert.pem>/
/
/
/[client:default]/
/method = TLSv1.0+/
/require_certificate = no/
/verify_certificate = no/
/private_key =
/var/kamailio/certificates/kamailio.domain1.com/server/key.pem
<http://kamailio.domain1.com/server/key.pem>/
/certificate =
/var/kamailio/certificates/kamailio.domain1.com/server/cert.pem
<http://kamailio.domain1.com/server/cert.pem>/
/ca_list =
/var/kamailio/certificates/kamailio.domain1.com/CA/cert.pem
<http://kamailio.domain1.com/CA/cert.pem>/
/
/
/
/
/[server:172.16.30.206:5062 <http://172.16.30.206:5062>]/
/method = TLSv1.0+/
/require_certificate = no/
/verify_certificate = no/
/private_key =
/var/kamailio/certificates/kamailio.domain1.com/server/key.pem
<http://kamailio.domain1.com/server/key.pem>/
/certificate =
/var/kamailio/certificates/kamailio.domain1.com/server/cert.pem
<http://kamailio.domain1.com/server/cert.pem>/
/ca_list =
/var/kamailio/certificates/kamailio.domain1.com/CA/cert.pem
<http://kamailio.domain1.com/CA/cert.pem>/
/server_name = "kamailio.domain1.com
<http://kamailio.domain1.com>"/
/server_id = "//"kamailio.domain1.com
<http://kamailio.domain1.com>"//
/
/
/
/[client:172.16.30.206:5062 <http://172.16.30.206:5062>]/
/method = TLSv1.0+/
/require_certificate = no/
/verify_certificate = no/
/private_key =
/var/kamailio/certificates/kamailio.domain1.com/server/key.pem
<http://kamailio.domain1.com/server/key.pem>/
/certificate =
/var/kamailio/certificates/kamailio.domain1.com/server/cert.pem
<http://kamailio.domain1.com/server/cert.pem>/
/ca_list =
/var/kamailio/certificates/kamailio.domain1.com/CA/cert.pem
<http://kamailio.domain1.com/CA/cert.pem>/
/
/
/[server:172.16.30.206:5063 <http://172.16.30.206:5063>]/
/method = TLSv1.0+/
/require_certificate = no/
/verify_certificate = no/
/private_key =
/var/kamailio/certificates/kamailio.domain2.com/server/key.pem
<http://kamailio.domain2.com/server/key.pem>/
/certificate =
/var/kamailio/certificates/kamailio.domain2.com/server/cert.pem
<http://kamailio.domain2.com/server/cert.pem>/
/ca_list =
/var/kamailio/certificates/kamailio.domain2.com/CA/cert.pem
<http://kamailio.domain2.com/CA/cert.pem>/
/server_name = "kamailio.domain2.com
<http://kamailio.domain2.com>"/
/server_id = "//"kamailio.domain2.com
<http://kamailio.domain2.com>"/
/
/
/[client:172.16.30.206:5063 <http://172.16.30.206:5063>]/
/method = TLSv1.0+/
/require_certificate = no/
/verify_certificate = no/
/private_key =
/var/kamailio/certificates/kamailio.domain2.com/server/key.pem
<http://kamailio.domain2.com/server/key.pem>/
/certificate =
/var/kamailio/certificates/kamailio.domain2.com/server/cert.pem
<http://kamailio.domain2.com/server/cert.pem>/
/ca_list =
/var/kamailio/certificates/kamailio.domain2.com/CA/cert.pem
<http://kamailio.domain2.com/CA/cert.pem>/
The dispatcher configuration table looks like this:
+----+-------+----------------------------------------------+-------+----------+--------------------------------------------------------------------+-------------+
| id | setid | destination
| flags | priority | attrs
| description |
+----+-------+----------------------------------------------+-------+----------+--------------------------------------------------------------------+-------------+
| 1 | 1 | sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls | 0
| 3 |
socket=tls:172.16.30.206:5062;ping_from=sip:kamailio.domain1.com
<http://kamailio.domain1.com> | MS Teams 1 |
| 2 | 2 | sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls | 0
| 3 |
socket=tls:172.16.30.206:5063;ping_from=sip:kamailio.domain2.com
<http://kamailio.domain2.com> | MS Teams 2 |
+----+-------+----------------------------------------------+-------+----------+--------------------------------------------------------------------+-------------+
When Kamailio is started only connection with the first trunk
is established:
/# kamcmd tls.list/
/{/
/ id: 1/
/ timeout: 0/
/ src_ip: 52.114.75.24/
/ src_port: 5061/
/ dst_ip: 172.16.30.206/
/ dst_port: 0/
/ cipher: ECDHE-RSA-AES256-GCM-SHA384 TLSv1.2
Kx=ECDH Au=RSA Enc=AESGCM(256) Mac=AEAD/
/ ct_wq_size: 0/
/ enc_rd_buf: 0/
/ flags: 2/
/ state: established/
/}/
/{/
/ id: 2/
/ timeout: 0/
/ src_ip: 52.114.75.24/
/ src_port: 7810/
/ dst_ip: 172.16.30.206/
/ dst_port: 5062/
/ cipher: AES256-GCM-SHA384 TLSv1.2 Kx=RSA
Au=RSA Enc=AESGCM(256) Mac=AEAD/
/ ct_wq_size: 0/
/ enc_rd_buf: 0/
/ flags: 2/
/ state: established/
/}/
/{/
/ id: 3/
/ timeout: 596/
/ src_ip: 52.114.75.24/
/ src_port: 7811/
/ dst_ip: 172.16.30.206/
/ dst_port: 5062/
/ cipher: AES256-GCM-SHA384 TLSv1.2 Kx=RSA
Au=RSA Enc=AESGCM(256) Mac=AEAD/
/ ct_wq_size: 0/
/ enc_rd_buf: 0/
/ flags: 2/
/ state: established/
/}/
Here is what I can see in Kamailio log file when it sends an
OPTIONS request to the second trunk. Kamailio uses Default
tls configuration and MS Teams don't accept it:
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
ALERT: <script>: == TRACE. tm:local-request. fs is
tls:172.16.30.206:5063 <http://172.16.30.206:5063>/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: tm [uac.c:352]: t_run_local_req(): apply new
updates without Via to sip msg/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/msg_translator.c:1796]:
check_boundaries(): no multi-part body/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/parser/msg_parser.c:610]:
parse_msg(): SIP Request:/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/parser/msg_parser.c:612]:
parse_msg(): method: <OPTIONS>/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/parser/msg_parser.c:614]:
parse_msg(): uri: <sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls>/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/parser/msg_parser.c:616]:
parse_msg(): version: <SIP/2.0>/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/parser/parse_via.c:1303]:
parse_via_param(): Found param type 232, <branch> =
<z9hG4bK169b.6411b4c3000000000000000000000000.0>; state=16/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/parser/parse_via.c:2639]:
parse_via(): end of header reached, state=5/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/parser/msg_parser.c:498]:
parse_headers(): Via found, flags=2/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/parser/msg_parser.c:500]:
parse_headers(): this is the first via/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/parser/parse_addr_spec.c:864]:
parse_addr_spec(): end of header reached, state=10/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/parser/msg_parser.c:171]:
get_hdr_field(): <To> [47];
uri=[sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls]/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/parser/msg_parser.c:174]:
get_hdr_field(): to body
(47)[<sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls>^M/
/], to tag (0)[]/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/parser/msg_parser.c:152]:
get_hdr_field(): cseq <CSeq>: <10> <OPTIONS>/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/parser/msg_parser.c:185]:
get_hdr_field(): content_length=0/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/parser/msg_parser.c:89]:
get_hdr_field(): found end of header/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/parser/msg_parser.c:610]:
parse_msg(): SIP Request:/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/parser/msg_parser.c:612]:
parse_msg(): method: <OPTIONS>/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/parser/msg_parser.c:614]:
parse_msg(): uri: <sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls>/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/parser/msg_parser.c:616]:
parse_msg(): version: <SIP/2.0>/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/parser/parse_via.c:1303]:
parse_via_param(): Found param type 232, <branch> =
<z9hG4bK169b.6411b4c3000000000000000000000000.0>; state=16/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/parser/parse_via.c:2639]:
parse_via(): end of header reached, state=5/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/parser/msg_parser.c:498]:
parse_headers(): Via found, flags=2/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/parser/msg_parser.c:500]:
parse_headers(): this is the first via/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/parser/parse_addr_spec.c:864]:
parse_addr_spec(): end of header reached, state=10/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/parser/msg_parser.c:171]:
get_hdr_field(): <To> [47];
uri=[sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls]/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/parser/msg_parser.c:174]:
get_hdr_field(): to body
(47)[<sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls>^M/
/], to tag (0)[]/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/parser/msg_parser.c:152]:
get_hdr_field(): cseq <CSeq>: <10> <OPTIONS>/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: tm [uac.c:189]: uac_refresh_hdr_shortcuts(): cseq:
[CSeq: 10]/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/tcp_main.c:1993]: tcp_send(): no open
tcp connection found, opening new one/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/ip_addr.c:229]: print_ip():
tcpconn_new: new tcp connection: 52.114.75.24/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/tcp_main.c:1175]: tcpconn_new(): on
port 5061, type 3, socket -1/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/tcp_main.c:1498]: tcpconn_add():
hashes: 2831:67:0, 1/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: tls [tls_server.c:199]: tls_complete_init():
completing tls connection initialization/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: tls [tls_server.c:162]:
tls_get_connect_server_name(): *xavp with outbound server
name not found*/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: tls [tls_server.c:142]:
tls_get_connect_server_id(): *xavp with outbound server
id not found*/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: tls [tls_server.c:228]: tls_complete_init():
*Using initial TLS domain TLSc<default>* (dom
0x7f35509da688 ctx 0x7f3550b7a568 sn [])/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: tls [tls_domain.c:1177]: tls_lookup_private_key():
Private key lookup for SSL_CTX-0x7f3550b7a568: (nil)/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: tls [tls_domain.c:747]:
sr_ssl_ctx_info_callback(): SSL handshake started/
/.../
If I change the Default configuration to use
kamailio.domain2.com <http://kamailio.domain2.com>
certificate, the second trunk will connect but the first one
will fail.
I tried to set "$xavp(tls=>server_name)" and
"$xavp(tls[0]=>server_id)" variables to
the event_route[tm:local-request] section but log still
stated that server Name and ID were not found.
Can someone please point me in the right direction, how can I
make Kamailio use the correct certificates when establishing
multiple TLS connections?
Thanks a lot!
Regards, Volodymyr Ivanets
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Important: keep the mailing list in the recipients, do not reply only to the sender!
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--
Daniel-Constantin Mierla -- www.asipto.com <http://www.asipto.com>
www.twitter.com/miconda <http://www.twitter.com/miconda> --
www.linkedin.com/in/miconda <http://www.linkedin.com/in/miconda>
3 Aug
3 Aug
2:48 p.m.
Hello Daniel,
Yes, I have "socket=tls:172.16.30.206:5062" and "socket=tls:
172.16.30.206:5063" attributes for corresponding records in the Dispatcher
configuration table. $fs prints out correct values in the
"event_route[tm:local-request]".
But I thought that TCP/TLS connections are established from a random port
to a destination port on the peer side. And then the remote peer connects
from its random port to our port 5062/5063.
If understood Kamailio log correctly when it is about to establish a second
connection to the same peer it sees an active connection for the previous
trunk and uses it instead of creating a new one.
Thank you!
Regards, Volodymyr Ivanets.
пн, 2 серп. 2021 о 22:21 Daniel-Constantin Mierla <miconda(a)gmail.com> пише:
Hello,
do you force local send socket?
Cheers,
Daniel
On 02.08.21 18:21, Володимир Іванець wrote:
Hello Daniel!
I updated Kamailio to the latest released version. The problem is that
still with tls_set_connect_server_id() I can not make a single instance of
Kamailio connect to multiple MS Teams domains. I use a single IP address
with different ports for different trunks. I can see it establishing a
connection to one trunk and using it for other domains.
Is there a way to force Kamailio to make a new TLS connection to the same
peer address that it is already connected to?
Thank you!
Regards, Volodymyr Ivanets.
пн, 2 серп. 2021 о 13:44 Daniel-Constantin Mierla <miconda(a)gmail.com>
пише:
Hello,
upgrading is the recommended way, indeed, if you want to use
tls_set_connect_server_id(). For older version you may want to try looping
back to kamailio (can be over udp) and the use the xavps. Adds some
overhead and hops, but if you are stuck to a version and can't really
upgrade soon, might be an option to look at.
Cheers,
Daniel
On 29.07.21 18:48, Володимир Іванець wrote:
Hello Rob!
Yes, I'm using Letsencrypt while I'm testing. But I would like to be able
to use different certificates with different sockets.
I found this discussion https://github.com/kamailio/kamailio/issues/2413.
Looks like I need to use "tls_set_connect_server_id()" instead of setting
$xavp(tls=>server_name)" and "$xavp(tls[0]=>server_id)".
Unfortunately I'm
currently using Kamailio v5.4 on my test system and this function is not
available. I will update Kamailio and give it another try. Then I will
update everyone in the hope it will be useful for someone :)
Thank you!
Regards, Volodymyr Ivanets
чт, 29 лип. 2021 о 19:07 Rob van den Bulk <rob.van.den.bulk(a)gmail.com>
пише:
Daniel-Constantin Mierla -- www.asipto.comwww.twitter.com/miconda --
www.linkedin.com/in/miconda
Hello, are u using letsencrypt?
U can use a multi domain.
Muti domain names in one certificate
Outlook voor Android <https://aka.ms/AAb9ysg> downloaden
------------------------------
*From:* sr-users <sr-users-bounces(a)lists.kamailio.org> on behalf of
Володимир Іванець <volodyaivanets(a)gmail.com>
*Sent:* Thursday, July 29, 2021 4:44:16 PM
*To:* Kamailio (SER) - Users Mailing List <sr-users(a)lists.kamailio.org>
*Subject:* [SR-Users] Integration with multiple MS Teams instances
Hello all!
I was able to connect Kamailio with MS Teams and now trying to add one
more Teams instance. It looks like I have some misconfiguration or there is
a bug.
My test server has 2 domain records pointing at it (kamailio.domain1.com
and kamailio.domain2.com). My tls.cfg configuration file looks like
this. As you can see the Default section is configured with a
kamailio.domain1.com sertificate:
*[server:default]*
*method = TLSv1.0+*
*require_certificate = no*
*verify_certificate = no*
*private_key =
/var/kamailio/certificates/kamailio.domain1.com/server/key.pem
<http://kamailio.domain1.com/server/key.pem>*
*certificate =
/var/kamailio/certificates/kamailio.domain1.com/server/cert.pem
<http://kamailio.domain1.com/server/cert.pem>*
*ca_list = /var/kamailio/certificates/kamailio.domain1.com/CA/cert.pem
<http://kamailio.domain1.com/CA/cert.pem>*
*[client:default]*
*method = TLSv1.0+*
*require_certificate = no*
*verify_certificate = no*
*private_key =
/var/kamailio/certificates/kamailio.domain1.com/server/key.pem
<http://kamailio.domain1.com/server/key.pem>*
*certificate =
/var/kamailio/certificates/kamailio.domain1.com/server/cert.pem
<http://kamailio.domain1.com/server/cert.pem>*
*ca_list = /var/kamailio/certificates/kamailio.domain1.com/CA/cert.pem
<http://kamailio.domain1.com/CA/cert.pem>*
*[server:172.16.30.206:5062 <http://172.16.30.206:5062>]*
*method = TLSv1.0+*
*require_certificate = no*
*verify_certificate = no*
*private_key =
/var/kamailio/certificates/kamailio.domain1.com/server/key.pem
<http://kamailio.domain1.com/server/key.pem>*
*certificate =
/var/kamailio/certificates/kamailio.domain1.com/server/cert.pem
<http://kamailio.domain1.com/server/cert.pem>*
*ca_list = /var/kamailio/certificates/kamailio.domain1.com/CA/cert.pem
<http://kamailio.domain1.com/CA/cert.pem>*
*server_name = "kamailio.domain1.com <http://kamailio.domain1.com>"*
*server_id = "**"kamailio.domain1.com
<http://kamailio.domain1.com>"*
*[client:172.16.30.206:5062 <http://172.16.30.206:5062>]*
*method = TLSv1.0+*
*require_certificate = no*
*verify_certificate = no*
*private_key =
/var/kamailio/certificates/kamailio.domain1.com/server/key.pem
<http://kamailio.domain1.com/server/key.pem>*
*certificate =
/var/kamailio/certificates/kamailio.domain1.com/server/cert.pem
<http://kamailio.domain1.com/server/cert.pem>*
*ca_list = /var/kamailio/certificates/kamailio.domain1.com/CA/cert.pem
<http://kamailio.domain1.com/CA/cert.pem>*
*[server:172.16.30.206:5063 <http://172.16.30.206:5063>]*
*method = TLSv1.0+*
*require_certificate = no*
*verify_certificate = no*
*private_key =
/var/kamailio/certificates/kamailio.domain2.com/server/key.pem
<http://kamailio.domain2.com/server/key.pem>*
*certificate =
/var/kamailio/certificates/kamailio.domain2.com/server/cert.pem
<http://kamailio.domain2.com/server/cert.pem>*
*ca_list = /var/kamailio/certificates/kamailio.domain2.com/CA/cert.pem
<http://kamailio.domain2.com/CA/cert.pem>*
*server_name = "kamailio.domain2.com <http://kamailio.domain2.com>"*
*server_id = "**"kamailio.domain2.com
<http://kamailio.domain2.com>"*
*[client:172.16.30.206:5063 <http://172.16.30.206:5063>]*
*method = TLSv1.0+*
*require_certificate = no*
*verify_certificate = no*
*private_key =
/var/kamailio/certificates/kamailio.domain2.com/server/key.pem
<http://kamailio.domain2.com/server/key.pem>*
*certificate =
/var/kamailio/certificates/kamailio.domain2.com/server/cert.pem
<http://kamailio.domain2.com/server/cert.pem>*
*ca_list = /var/kamailio/certificates/kamailio.domain2.com/CA/cert.pem
<http://kamailio.domain2.com/CA/cert.pem>*
The dispatcher configuration table looks like this:
+----+-------+----------------------------------------------+-------+----------+--------------------------------------------------------------------+-------------+
| id | setid | destination | flags |
priority | attrs
| description |
+----+-------+----------------------------------------------+-------+----------+--------------------------------------------------------------------+-------------+
| 1 | 1 | sip:sip.pstnhub.microsoft.com;transport=tls | 0 |
3 | socket=tls:172.16.30.206:5062;ping_from=sip:
kamailio.domain1.com | MS Teams 1 |
| 2 | 2 | sip:sip.pstnhub.microsoft.com;transport=tls | 0 |
3 | socket=tls:172.16.30.206:5063;ping_from=sip:
kamailio.domain2.com | MS Teams 2 |
+----+-------+----------------------------------------------+-------+----------+--------------------------------------------------------------------+-------------+
When Kamailio is started only connection with the first trunk is
established:
*# kamcmd tls.list*
*{*
* id: 1*
* timeout: 0*
* src_ip: 52.114.75.24*
* src_port: 5061*
* dst_ip: 172.16.30.206*
* dst_port: 0*
* cipher: ECDHE-RSA-AES256-GCM-SHA384 TLSv1.2 Kx=ECDH Au=RSA
Enc=AESGCM(256) Mac=AEAD*
* ct_wq_size: 0*
* enc_rd_buf: 0*
* flags: 2*
* state: established*
*}*
*{*
* id: 2*
* timeout: 0*
* src_ip: 52.114.75.24*
* src_port: 7810*
* dst_ip: 172.16.30.206*
* dst_port: 5062*
* cipher: AES256-GCM-SHA384 TLSv1.2 Kx=RSA Au=RSA
Enc=AESGCM(256) Mac=AEAD*
* ct_wq_size: 0*
* enc_rd_buf: 0*
* flags: 2*
* state: established*
*}*
*{*
* id: 3*
* timeout: 596*
* src_ip: 52.114.75.24*
* src_port: 7811*
* dst_ip: 172.16.30.206*
* dst_port: 5062*
* cipher: AES256-GCM-SHA384 TLSv1.2 Kx=RSA Au=RSA
Enc=AESGCM(256) Mac=AEAD*
* ct_wq_size: 0*
* enc_rd_buf: 0*
* flags: 2*
* state: established*
*}*
Here is what I can see in Kamailio log file when it sends an OPTIONS
request to the second trunk. Kamailio uses Default tls configuration and MS
Teams don't accept it:
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: ALERT: <script>: ==
TRACE. tm:local-request. fs is tls:172.16.30.206:5063
<http://172.16.30.206:5063>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tm
[uac.c:352]: t_run_local_req(): apply new updates without Via to sip msg*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/msg_translator.c:1796]: check_boundaries(): no multi-part body*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:610]: parse_msg(): SIP Request:*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:612]: parse_msg(): method: <OPTIONS>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:614]: parse_msg(): uri:
<sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:616]: parse_msg(): version: <SIP/2.0>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/parse_via.c:1303]: parse_via_param(): Found param type 232,
<branch> = <z9hG4bK169b.6411b4c3000000000000000000000000.0>; state=16*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/parse_via.c:2639]: parse_via(): end of header reached, state=5*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:498]: parse_headers(): Via found, flags=2*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:500]: parse_headers(): this is the first via*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/parse_addr_spec.c:864]: parse_addr_spec(): end of header
reached, state=10*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:171]: get_hdr_field(): <To> [47];
uri=[sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls]*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:174]: get_hdr_field(): to body
(47)[<sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls>^M*
*], to tag (0)[]*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:152]: get_hdr_field(): cseq <CSeq>: <10>
<OPTIONS>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:185]: get_hdr_field(): content_length=0*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:89]: get_hdr_field(): found end of header*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:610]: parse_msg(): SIP Request:*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:612]: parse_msg(): method: <OPTIONS>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:614]: parse_msg(): uri:
<sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:616]: parse_msg(): version: <SIP/2.0>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/parse_via.c:1303]: parse_via_param(): Found param type 232,
<branch> = <z9hG4bK169b.6411b4c3000000000000000000000000.0>; state=16*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/parse_via.c:2639]: parse_via(): end of header reached, state=5*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:498]: parse_headers(): Via found, flags=2*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:500]: parse_headers(): this is the first via*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/parse_addr_spec.c:864]: parse_addr_spec(): end of header
reached, state=10*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:171]: get_hdr_field(): <To> [47];
uri=[sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls]*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:174]: get_hdr_field(): to body
(47)[<sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls>^M*
*], to tag (0)[]*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:152]: get_hdr_field(): cseq <CSeq>: <10>
<OPTIONS>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tm
[uac.c:189]: uac_refresh_hdr_shortcuts(): cseq: [CSeq: 10]*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/tcp_main.c:1993]: tcp_send(): no open tcp connection found, opening
new one*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/ip_addr.c:229]: print_ip(): tcpconn_new: new tcp connection:
52.114.75.24*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/tcp_main.c:1175]: tcpconn_new(): on port 5061, type 3, socket -1*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/tcp_main.c:1498]: tcpconn_add(): hashes: 2831:67:0, 1*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls
[tls_server.c:199]: tls_complete_init(): completing tls connection
initialization*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls
[tls_server.c:162]: tls_get_connect_server_name(): xavp with outbound
server name not found*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls
[tls_server.c:142]: tls_get_connect_server_id(): xavp with outbound server
id not found*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls
[tls_server.c:228]: tls_complete_init(): Using initial TLS domain
TLSc<default> (dom 0x7f35509da688 ctx 0x7f3550b7a568 sn [])*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls
[tls_domain.c:1177]: tls_lookup_private_key(): Private key lookup for
SSL_CTX-0x7f3550b7a568: (nil)*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls
[tls_domain.c:747]: sr_ssl_ctx_info_callback(): SSL handshake started*
*...*
If I change the Default configuration to use kamailio.domain2.com
certificate, the second trunk will connect but the first one will fail.
I tried to set "$xavp(tls=>server_name)" and
"$xavp(tls[0]=>server_id)"
variables to the event_route[tm:local-request] section but log still stated
that server Name and ID were not found.
Can someone please point me in the right direction, how can I make
Kamailio use the correct certificates when establishing multiple TLS
connections?
Thanks a lot!
Regards, Volodymyr Ivanets
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--
Daniel-Constantin Mierla -- www.asipto.comwww.twitter.com/miconda --
www.linkedin.com/in/miconda
--
4 Aug
4 Aug
12:45 p.m.
Hello,
can you set
https://www.kamailio.org/wiki/cookbooks/5.5.x/core#tcp_connection_match ?
It may work only for connections accepted by Kamailio, but worth a try.
Cheers,
Daniel
On 03.08.21 14:48, Володимир Іванець wrote:
Hello Daniel,
Yes, I have "socket=tls:172.16.30.206:5062
<http://172.16.30.206:5062>" and "socket=tls:172.16.30.206:5063
<http://172.16.30.206:5063>" attributes for corresponding records in
the Dispatcher configuration table. $fs prints out correct values in
the "event_route[tm:local-request]".
But I thought that TCP/TLS connections are established from a random
port to a destination port on the peer side. And then the remote peer
connects from its random port to our port 5062/5063.
If understood Kamailio log correctly when it is about to establish a
second connection to the same peer it sees an active connection for
the previous trunk and uses it instead of creating a new one.
Thank you!
Regards, Volodymyr Ivanets.
пн, 2 серп. 2021 о 22:21 Daniel-Constantin Mierla <miconda(a)gmail.com
<mailto:miconda@gmail.com>> пише:
Hello,
do you force local send socket?
Cheers,
Daniel
On 02.08.21 18:21, Володимир Іванець wrote:
--
Daniel-Constantin Mierla -- www.asipto.com
www.twitter.com/miconda -- www.linkedin.com/in/miconda
Hello Daniel!
I updated Kamailio to the latest released version. The problem is
that still with tls_set_connect_server_id() I can not make a
single instance of Kamailio connect to multiple MS Teams domains.
I use a single IP address with different ports for different
trunks. I can see it establishing a connection to one trunk and
using it for other domains.
Is there a way to force Kamailio to make a new TLS connection to
the same peer address that it is already connected to?
Thank you!
Regards, Volodymyr Ivanets.
пн, 2 серп. 2021 о 13:44 Daniel-Constantin Mierla
<miconda(a)gmail.com <mailto:miconda@gmail.com>> пише:
Hello,
upgrading is the recommended way, indeed, if you want to use
tls_set_connect_server_id(). For older version you may want
to try looping back to kamailio (can be over udp) and the use
the xavps. Adds some overhead and hops, but if you are stuck
to a version and can't really upgrade soon, might be an
option to look at.
Cheers,
Daniel
On 29.07.21 18:48, Володимир Іванець wrote:
--
Daniel-Constantin Mierla -- www.asipto.com <http://www.asipto.com>
www.twitter.com/miconda <http://www.twitter.com/miconda> --
www.linkedin.com/in/miconda <http://www.linkedin.com/in/miconda>
Hello Rob!
Yes, I'm using Letsencrypt while I'm testing. But I would
like to be able to use different certificates with different
sockets.
I found this
discussion https://github.com/kamailio/kamailio/issues/2413
<https://github.com/kamailio/kamailio/issues/2413>. Looks
like I need to use "tls_set_connect_server_id()" instead of
setting $xavp(tls=>server_name)" and
"$xavp(tls[0]=>server_id)". Unfortunately I'm currently
using Kamailio v5.4 on my test system and this function is
not available. I will update Kamailio and give it another
try. Then I will update everyone in the hope it will be
useful for someone :)
Thank you!
Regards, Volodymyr Ivanets
чт, 29 лип. 2021 о 19:07 Rob van den Bulk
<rob.van.den.bulk(a)gmail.com
<mailto:rob.van.den.bulk@gmail.com>> пише:
Hello, are u using letsencrypt?
U can use a multi domain.
Muti domain names in one certificate
Outlook voor Android <https://aka.ms/AAb9ysg> downloaden
------------------------------------------------------------------------
*From:* sr-users <sr-users-bounces(a)lists.kamailio.org
<mailto:sr-users-bounces@lists.kamailio.org>> on behalf
of Володимир Іванець <volodyaivanets(a)gmail.com
<mailto:volodyaivanets@gmail.com>>
*Sent:* Thursday, July 29, 2021 4:44:16 PM
*To:* Kamailio (SER) - Users Mailing List
<sr-users(a)lists.kamailio.org
<mailto:sr-users@lists.kamailio.org>>
*Subject:* [SR-Users] Integration with multiple MS Teams
instances
Hello all!
I was able to connect Kamailio with MS Teams and now
trying to add one more Teams instance. It looks like I
have some misconfiguration or there is a bug.
My test server has 2 domain records pointing at it
(kamailio.domain1.com <http://kamailio.domain1.com> and
kamailio.domain2.com <http://kamailio.domain2.com>). My
tls.cfg configuration file looks like this. As you can
see the Default section is configured with a
kamailio.domain1.com <http://kamailio.domain1.com>
sertificate:
/[server:default]/
/method = TLSv1.0+/
/require_certificate = no/
/verify_certificate = no/
/private_key =
/var/kamailio/certificates/kamailio.domain1.com/server/key.pem
<http://kamailio.domain1.com/server/key.pem>/
/certificate =
/var/kamailio/certificates/kamailio.domain1.com/server/cert.pem
<http://kamailio.domain1.com/server/cert.pem>/
/ca_list =
/var/kamailio/certificates/kamailio.domain1.com/CA/cert.pem
<http://kamailio.domain1.com/CA/cert.pem>/
/
/
/[client:default]/
/method = TLSv1.0+/
/require_certificate = no/
/verify_certificate = no/
/private_key =
/var/kamailio/certificates/kamailio.domain1.com/server/key.pem
<http://kamailio.domain1.com/server/key.pem>/
/certificate =
/var/kamailio/certificates/kamailio.domain1.com/server/cert.pem
<http://kamailio.domain1.com/server/cert.pem>/
/ca_list =
/var/kamailio/certificates/kamailio.domain1.com/CA/cert.pem
<http://kamailio.domain1.com/CA/cert.pem>/
/
/
/
/
/[server:172.16.30.206:5062
<http://172.16.30.206:5062>]/
/method = TLSv1.0+/
/require_certificate = no/
/verify_certificate = no/
/private_key =
/var/kamailio/certificates/kamailio.domain1.com/server/key.pem
<http://kamailio.domain1.com/server/key.pem>/
/certificate =
/var/kamailio/certificates/kamailio.domain1.com/server/cert.pem
<http://kamailio.domain1.com/server/cert.pem>/
/ca_list =
/var/kamailio/certificates/kamailio.domain1.com/CA/cert.pem
<http://kamailio.domain1.com/CA/cert.pem>/
/server_name = "kamailio.domain1.com
<http://kamailio.domain1.com>"/
/server_id = "//"kamailio.domain1.com
<http://kamailio.domain1.com>"//
/
/
/
/[client:172.16.30.206:5062
<http://172.16.30.206:5062>]/
/method = TLSv1.0+/
/require_certificate = no/
/verify_certificate = no/
/private_key =
/var/kamailio/certificates/kamailio.domain1.com/server/key.pem
<http://kamailio.domain1.com/server/key.pem>/
/certificate =
/var/kamailio/certificates/kamailio.domain1.com/server/cert.pem
<http://kamailio.domain1.com/server/cert.pem>/
/ca_list =
/var/kamailio/certificates/kamailio.domain1.com/CA/cert.pem
<http://kamailio.domain1.com/CA/cert.pem>/
/
/
/[server:172.16.30.206:5063
<http://172.16.30.206:5063>]/
/method = TLSv1.0+/
/require_certificate = no/
/verify_certificate = no/
/private_key =
/var/kamailio/certificates/kamailio.domain2.com/server/key.pem
<http://kamailio.domain2.com/server/key.pem>/
/certificate =
/var/kamailio/certificates/kamailio.domain2.com/server/cert.pem
<http://kamailio.domain2.com/server/cert.pem>/
/ca_list =
/var/kamailio/certificates/kamailio.domain2.com/CA/cert.pem
<http://kamailio.domain2.com/CA/cert.pem>/
/server_name = "kamailio.domain2.com
<http://kamailio.domain2.com>"/
/server_id = "//"kamailio.domain2.com
<http://kamailio.domain2.com>"/
/
/
/[client:172.16.30.206:5063
<http://172.16.30.206:5063>]/
/method = TLSv1.0+/
/require_certificate = no/
/verify_certificate = no/
/private_key =
/var/kamailio/certificates/kamailio.domain2.com/server/key.pem
<http://kamailio.domain2.com/server/key.pem>/
/certificate =
/var/kamailio/certificates/kamailio.domain2.com/server/cert.pem
<http://kamailio.domain2.com/server/cert.pem>/
/ca_list =
/var/kamailio/certificates/kamailio.domain2.com/CA/cert.pem
<http://kamailio.domain2.com/CA/cert.pem>/
The dispatcher configuration table looks like this:
+----+-------+----------------------------------------------+-------+----------+--------------------------------------------------------------------+-------------+
| id | setid | destination
| flags | priority | attrs
|
description |
+----+-------+----------------------------------------------+-------+----------+--------------------------------------------------------------------+-------------+
| 1 | 1 | sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls |
0 | 3 |
socket=tls:172.16.30.206:5062;ping_from=sip:kamailio.domain1.com
<http://kamailio.domain1.com> | MS Teams 1 |
| 2 | 2 | sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls |
0 | 3 |
socket=tls:172.16.30.206:5063;ping_from=sip:kamailio.domain2.com
<http://kamailio.domain2.com> | MS Teams 2 |
+----+-------+----------------------------------------------+-------+----------+--------------------------------------------------------------------+-------------+
When Kamailio is started only connection with the first
trunk is established:
/# kamcmd tls.list/
/{/
/ id: 1/
/ timeout: 0/
/ src_ip: 52.114.75.24/
/ src_port: 5061/
/ dst_ip: 172.16.30.206/
/ dst_port: 0/
/ cipher: ECDHE-RSA-AES256-GCM-SHA384 TLSv1.2
Kx=ECDH Au=RSA Enc=AESGCM(256) Mac=AEAD/
/ ct_wq_size: 0/
/ enc_rd_buf: 0/
/ flags: 2/
/ state: established/
/}/
/{/
/ id: 2/
/ timeout: 0/
/ src_ip: 52.114.75.24/
/ src_port: 7810/
/ dst_ip: 172.16.30.206/
/ dst_port: 5062/
/ cipher: AES256-GCM-SHA384 TLSv1.2
Kx=RSA Au=RSA Enc=AESGCM(256) Mac=AEAD/
/ ct_wq_size: 0/
/ enc_rd_buf: 0/
/ flags: 2/
/ state: established/
/}/
/{/
/ id: 3/
/ timeout: 596/
/ src_ip: 52.114.75.24/
/ src_port: 7811/
/ dst_ip: 172.16.30.206/
/ dst_port: 5062/
/ cipher: AES256-GCM-SHA384 TLSv1.2
Kx=RSA Au=RSA Enc=AESGCM(256) Mac=AEAD/
/ ct_wq_size: 0/
/ enc_rd_buf: 0/
/ flags: 2/
/ state: established/
/}/
Here is what I can see in Kamailio log file when it
sends an OPTIONS request to the second trunk. Kamailio
uses Default tls configuration and MS Teams don't accept it:
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
ALERT: <script>: == TRACE. tm:local-request. fs is
tls:172.16.30.206:5063 <http://172.16.30.206:5063>/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: tm [uac.c:352]: t_run_local_req(): apply new
updates without Via to sip msg/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/msg_translator.c:1796]:
check_boundaries(): no multi-part body/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/parser/msg_parser.c:610]:
parse_msg(): SIP Request:/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/parser/msg_parser.c:612]:
parse_msg(): method: <OPTIONS>/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/parser/msg_parser.c:614]:
parse_msg(): uri:
<sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls>/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/parser/msg_parser.c:616]:
parse_msg(): version: <SIP/2.0>/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/parser/parse_via.c:1303]:
parse_via_param(): Found param type 232, <branch> =
<z9hG4bK169b.6411b4c3000000000000000000000000.0>;
state=16/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/parser/parse_via.c:2639]:
parse_via(): end of header reached, state=5/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/parser/msg_parser.c:498]:
parse_headers(): Via found, flags=2/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/parser/msg_parser.c:500]:
parse_headers(): this is the first via/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/parser/parse_addr_spec.c:864]:
parse_addr_spec(): end of header reached, state=10/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/parser/msg_parser.c:171]:
get_hdr_field(): <To> [47];
uri=[sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls]/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/parser/msg_parser.c:174]:
get_hdr_field(): to body
(47)[<sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls>^M/
/], to tag (0)[]/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/parser/msg_parser.c:152]:
get_hdr_field(): cseq <CSeq>: <10> <OPTIONS>/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/parser/msg_parser.c:185]:
get_hdr_field(): content_length=0/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/parser/msg_parser.c:89]:
get_hdr_field(): found end of header/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/parser/msg_parser.c:610]:
parse_msg(): SIP Request:/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/parser/msg_parser.c:612]:
parse_msg(): method: <OPTIONS>/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/parser/msg_parser.c:614]:
parse_msg(): uri:
<sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls>/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/parser/msg_parser.c:616]:
parse_msg(): version: <SIP/2.0>/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/parser/parse_via.c:1303]:
parse_via_param(): Found param type 232, <branch> =
<z9hG4bK169b.6411b4c3000000000000000000000000.0>;
state=16/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/parser/parse_via.c:2639]:
parse_via(): end of header reached, state=5/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/parser/msg_parser.c:498]:
parse_headers(): Via found, flags=2/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/parser/msg_parser.c:500]:
parse_headers(): this is the first via/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/parser/parse_addr_spec.c:864]:
parse_addr_spec(): end of header reached, state=10/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/parser/msg_parser.c:171]:
get_hdr_field(): <To> [47];
uri=[sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls]/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/parser/msg_parser.c:174]:
get_hdr_field(): to body
(47)[<sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls>^M/
/], to tag (0)[]/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/parser/msg_parser.c:152]:
get_hdr_field(): cseq <CSeq>: <10> <OPTIONS>/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: tm [uac.c:189]: uac_refresh_hdr_shortcuts():
cseq: [CSeq: 10]/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/tcp_main.c:1993]: tcp_send(): no
open tcp connection found, opening new one/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/ip_addr.c:229]: print_ip():
tcpconn_new: new tcp connection: 52.114.75.24/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/tcp_main.c:1175]: tcpconn_new():
on port 5061, type 3, socket -1/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: <core> [core/tcp_main.c:1498]: tcpconn_add():
hashes: 2831:67:0, 1/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: tls [tls_server.c:199]: tls_complete_init():
completing tls connection initialization/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: tls [tls_server.c:162]:
tls_get_connect_server_name(): *xavp with outbound
server name not found*/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: tls [tls_server.c:142]:
tls_get_connect_server_id(): *xavp with outbound
server id not found*/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: tls [tls_server.c:228]: tls_complete_init():
*Using initial TLS domain TLSc<default>* (dom
0x7f35509da688 ctx 0x7f3550b7a568 sn [])/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: tls [tls_domain.c:1177]:
tls_lookup_private_key(): Private key lookup for
SSL_CTX-0x7f3550b7a568: (nil)/
/Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]:
DEBUG: tls [tls_domain.c:747]:
sr_ssl_ctx_info_callback(): SSL handshake started/
/.../
If I change the Default configuration to use
kamailio.domain2.com <http://kamailio.domain2.com>
certificate, the second trunk will connect but the first
one will fail.
I tried to set "$xavp(tls=>server_name)" and
"$xavp(tls[0]=>server_id)" variables to
the event_route[tm:local-request] section but log still
stated that server Name and ID were not found.
Can someone please point me in the right direction, how
can I make Kamailio use the correct certificates when
establishing multiple TLS connections?
Thanks a lot!
Regards, Volodymyr Ivanets
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--
Daniel-Constantin Mierla -- www.asipto.com <http://www.asipto.com>
www.twitter.com/miconda <http://www.twitter.com/miconda> --
www.linkedin.com/in/miconda <http://www.linkedin.com/in/miconda>
6 Aug
6 Aug
2:45 p.m.
Hello Daniel!
Thank you for the suggestion. Unfortunately adding the
"tcp_connection_match=1" did not made a difference. Kamailio found other
connection to the same peer and used it instead:
*<core> [core/tcp_main.c:1610]: _tcpconn_find(): found connection by peer
address (id: 2)*
Also, it looks like the answer is in this comment:
https://github.com/kamailio/kamailio/blob/master/src/core/tcp_main.c#L1563.
And below are active tls connections for the previous trunk. Is there a way
to add an additional field like a "tag" that could be used in peer matching
as well? Otherwise, I guess the only option I have is to run separate
instances of Kamailio with a very basic configuration for each MS Teams
connection.
*# kamcmd tls.list{ id: 2 timeout: 0 src_ip:
52.114.75.24 src_port: 5061 dst_ip: 172.16.30.206
dst_port: 0 cipher: ECDHE-RSA-AES256-GCM-SHA384 TLSv1.2 Kx=ECDH
Au=RSA Enc=AESGCM(256) Mac=AEAD ct_wq_size: 0 enc_rd_buf: 0
flags: 2 state: established}{ id: 3 timeout: 0
src_ip: 52.114.75.24 src_port: 6272 dst_ip:
172.16.30.206 dst_port: 5063 cipher: AES256-GCM-SHA384
TLSv1.2 Kx=RSA Au=RSA Enc=AESGCM(256) Mac=AEAD ct_wq_size: 0
enc_rd_buf: 0 flags: 2 state: established}{ id:
4 timeout: 581 src_ip: 52.114.75.24 src_port: 6273
dst_ip: 172.16.30.206 dst_port: 5063 cipher:
AES256-GCM-SHA384 TLSv1.2 Kx=RSA Au=RSA Enc=AESGCM(256)
Mac=AEAD ct_wq_size: 0 enc_rd_buf: 0 flags: 2
state: established*
*} *
Thank you!
Regards, Volodymyr Ivanets.
ср, 4 серп. 2021 о 13:45 Daniel-Constantin Mierla <miconda(a)gmail.com> пише:
Hello,
can you set
https://www.kamailio.org/wiki/cookbooks/5.5.x/core#tcp_connection_match ?
It may work only for connections accepted by Kamailio, but worth a try.
Cheers,
Daniel
On 03.08.21 14:48, Володимир Іванець wrote:
Hello Daniel,
Yes, I have "socket=tls:172.16.30.206:5062" and "socket=tls:
172.16.30.206:5063" attributes for corresponding records in the
Dispatcher configuration table. $fs prints out correct values in the
"event_route[tm:local-request]".
But I thought that TCP/TLS connections are established from a random port
to a destination port on the peer side. And then the remote peer connects
from its random port to our port 5062/5063.
If understood Kamailio log correctly when it is about to establish a
second connection to the same peer it sees an active connection for the
previous trunk and uses it instead of creating a new one.
Thank you!
Regards, Volodymyr Ivanets.
пн, 2 серп. 2021 о 22:21 Daniel-Constantin Mierla <miconda(a)gmail.com>
пише:
Hello,
do you force local send socket?
Cheers,
Daniel
On 02.08.21 18:21, Володимир Іванець wrote:
Hello Daniel!
I updated Kamailio to the latest released version. The problem is that
still with tls_set_connect_server_id() I can not make a single instance of
Kamailio connect to multiple MS Teams domains. I use a single IP address
with different ports for different trunks. I can see it establishing a
connection to one trunk and using it for other domains.
Is there a way to force Kamailio to make a new TLS connection to the same
peer address that it is already connected to?
Thank you!
Regards, Volodymyr Ivanets.
пн, 2 серп. 2021 о 13:44 Daniel-Constantin Mierla <miconda(a)gmail.com>
пише:
Daniel-Constantin Mierla -- www.asipto.comwww.twitter.com/miconda --
www.linkedin.com/in/miconda
Hello,
upgrading is the recommended way, indeed, if you want to use
tls_set_connect_server_id(). For older version you may want to try looping
back to kamailio (can be over udp) and the use the xavps. Adds some
overhead and hops, but if you are stuck to a version and can't really
upgrade soon, might be an option to look at.
Cheers,
Daniel
On 29.07.21 18:48, Володимир Іванець wrote:
Hello Rob!
Yes, I'm using Letsencrypt while I'm testing. But I would like to be
able to use different certificates with different sockets.
I found this discussion https://github.com/kamailio/kamailio/issues/2413.
Looks like I need to use "tls_set_connect_server_id()" instead of setting
$xavp(tls=>server_name)" and "$xavp(tls[0]=>server_id)".
Unfortunately I'm
currently using Kamailio v5.4 on my test system and this function is not
available. I will update Kamailio and give it another try. Then I will
update everyone in the hope it will be useful for someone :)
Thank you!
Regards, Volodymyr Ivanets
чт, 29 лип. 2021 о 19:07 Rob van den Bulk <rob.van.den.bulk(a)gmail.com>
пише:
Daniel-Constantin Mierla -- www.asipto.comwww.twitter.com/miconda --
www.linkedin.com/in/miconda
-- Hello, are u using letsencrypt?
U can use a multi domain.
Muti domain names in one certificate
Outlook voor Android <https://aka.ms/AAb9ysg> downloaden
------------------------------
*From:* sr-users <sr-users-bounces(a)lists.kamailio.org> on behalf of
Володимир Іванець <volodyaivanets(a)gmail.com>
*Sent:* Thursday, July 29, 2021 4:44:16 PM
*To:* Kamailio (SER) - Users Mailing List <sr-users(a)lists.kamailio.org>
*Subject:* [SR-Users] Integration with multiple MS Teams instances
Hello all!
I was able to connect Kamailio with MS Teams and now trying to add one
more Teams instance. It looks like I have some misconfiguration or there is
a bug.
My test server has 2 domain records pointing at it (
kamailio.domain1.com and kamailio.domain2.com). My tls.cfg
configuration file looks like this. As you can see the Default section is
configured with a kamailio.domain1.com sertificate:
*[server:default]*
*method = TLSv1.0+*
*require_certificate = no*
*verify_certificate = no*
*private_key =
/var/kamailio/certificates/kamailio.domain1.com/server/key.pem
<http://kamailio.domain1.com/server/key.pem>*
*certificate =
/var/kamailio/certificates/kamailio.domain1.com/server/cert.pem
<http://kamailio.domain1.com/server/cert.pem>*
*ca_list = /var/kamailio/certificates/kamailio.domain1.com/CA/cert.pem
<http://kamailio.domain1.com/CA/cert.pem>*
*[client:default]*
*method = TLSv1.0+*
*require_certificate = no*
*verify_certificate = no*
*private_key =
/var/kamailio/certificates/kamailio.domain1.com/server/key.pem
<http://kamailio.domain1.com/server/key.pem>*
*certificate =
/var/kamailio/certificates/kamailio.domain1.com/server/cert.pem
<http://kamailio.domain1.com/server/cert.pem>*
*ca_list = /var/kamailio/certificates/kamailio.domain1.com/CA/cert.pem
<http://kamailio.domain1.com/CA/cert.pem>*
*[server:172.16.30.206:5062 <http://172.16.30.206:5062>]*
*method = TLSv1.0+*
*require_certificate = no*
*verify_certificate = no*
*private_key =
/var/kamailio/certificates/kamailio.domain1.com/server/key.pem
<http://kamailio.domain1.com/server/key.pem>*
*certificate =
/var/kamailio/certificates/kamailio.domain1.com/server/cert.pem
<http://kamailio.domain1.com/server/cert.pem>*
*ca_list = /var/kamailio/certificates/kamailio.domain1.com/CA/cert.pem
<http://kamailio.domain1.com/CA/cert.pem>*
*server_name = "kamailio.domain1.com <http://kamailio.domain1.com>"*
*server_id = "**"kamailio.domain1.com
<http://kamailio.domain1.com>"*
*[client:172.16.30.206:5062 <http://172.16.30.206:5062>]*
*method = TLSv1.0+*
*require_certificate = no*
*verify_certificate = no*
*private_key =
/var/kamailio/certificates/kamailio.domain1.com/server/key.pem
<http://kamailio.domain1.com/server/key.pem>*
*certificate =
/var/kamailio/certificates/kamailio.domain1.com/server/cert.pem
<http://kamailio.domain1.com/server/cert.pem>*
*ca_list = /var/kamailio/certificates/kamailio.domain1.com/CA/cert.pem
<http://kamailio.domain1.com/CA/cert.pem>*
*[server:172.16.30.206:5063 <http://172.16.30.206:5063>]*
*method = TLSv1.0+*
*require_certificate = no*
*verify_certificate = no*
*private_key =
/var/kamailio/certificates/kamailio.domain2.com/server/key.pem
<http://kamailio.domain2.com/server/key.pem>*
*certificate =
/var/kamailio/certificates/kamailio.domain2.com/server/cert.pem
<http://kamailio.domain2.com/server/cert.pem>*
*ca_list = /var/kamailio/certificates/kamailio.domain2.com/CA/cert.pem
<http://kamailio.domain2.com/CA/cert.pem>*
*server_name = "kamailio.domain2.com <http://kamailio.domain2.com>"*
*server_id = "**"kamailio.domain2.com
<http://kamailio.domain2.com>"*
*[client:172.16.30.206:5063 <http://172.16.30.206:5063>]*
*method = TLSv1.0+*
*require_certificate = no*
*verify_certificate = no*
*private_key =
/var/kamailio/certificates/kamailio.domain2.com/server/key.pem
<http://kamailio.domain2.com/server/key.pem>*
*certificate =
/var/kamailio/certificates/kamailio.domain2.com/server/cert.pem
<http://kamailio.domain2.com/server/cert.pem>*
*ca_list = /var/kamailio/certificates/kamailio.domain2.com/CA/cert.pem
<http://kamailio.domain2.com/CA/cert.pem>*
The dispatcher configuration table looks like this:
+----+-------+----------------------------------------------+-------+----------+--------------------------------------------------------------------+-------------+
| id | setid | destination | flags |
priority | attrs
| description |
+----+-------+----------------------------------------------+-------+----------+--------------------------------------------------------------------+-------------+
| 1 | 1 | sip:sip.pstnhub.microsoft.com;transport=tls | 0 |
3 | socket=tls:172.16.30.206:5062;ping_from=sip:
kamailio.domain1.com | MS Teams 1 |
| 2 | 2 | sip:sip.pstnhub.microsoft.com;transport=tls | 0 |
3 | socket=tls:172.16.30.206:5063;ping_from=sip:
kamailio.domain2.com | MS Teams 2 |
+----+-------+----------------------------------------------+-------+----------+--------------------------------------------------------------------+-------------+
When Kamailio is started only connection with the first trunk is
established:
*# kamcmd tls.list*
*{*
* id: 1*
* timeout: 0*
* src_ip: 52.114.75.24*
* src_port: 5061*
* dst_ip: 172.16.30.206*
* dst_port: 0*
* cipher: ECDHE-RSA-AES256-GCM-SHA384 TLSv1.2 Kx=ECDH Au=RSA
Enc=AESGCM(256) Mac=AEAD*
* ct_wq_size: 0*
* enc_rd_buf: 0*
* flags: 2*
* state: established*
*}*
*{*
* id: 2*
* timeout: 0*
* src_ip: 52.114.75.24*
* src_port: 7810*
* dst_ip: 172.16.30.206*
* dst_port: 5062*
* cipher: AES256-GCM-SHA384 TLSv1.2 Kx=RSA Au=RSA
Enc=AESGCM(256) Mac=AEAD*
* ct_wq_size: 0*
* enc_rd_buf: 0*
* flags: 2*
* state: established*
*}*
*{*
* id: 3*
* timeout: 596*
* src_ip: 52.114.75.24*
* src_port: 7811*
* dst_ip: 172.16.30.206*
* dst_port: 5062*
* cipher: AES256-GCM-SHA384 TLSv1.2 Kx=RSA Au=RSA
Enc=AESGCM(256) Mac=AEAD*
* ct_wq_size: 0*
* enc_rd_buf: 0*
* flags: 2*
* state: established*
*}*
Here is what I can see in Kamailio log file when it sends an OPTIONS
request to the second trunk. Kamailio uses Default tls configuration and MS
Teams don't accept it:
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: ALERT: <script>:
== TRACE. tm:local-request. fs is tls:172.16.30.206:5063
<http://172.16.30.206:5063>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tm
[uac.c:352]: t_run_local_req(): apply new updates without Via to sip msg*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/msg_translator.c:1796]: check_boundaries(): no multi-part body*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:610]: parse_msg(): SIP Request:*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:612]: parse_msg(): method: <OPTIONS>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:614]: parse_msg(): uri:
<sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:616]: parse_msg(): version: <SIP/2.0>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/parse_via.c:1303]: parse_via_param(): Found param type 232,
<branch> = <z9hG4bK169b.6411b4c3000000000000000000000000.0>; state=16*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/parse_via.c:2639]: parse_via(): end of header reached, state=5*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:498]: parse_headers(): Via found, flags=2*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:500]: parse_headers(): this is the first via*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/parse_addr_spec.c:864]: parse_addr_spec(): end of header
reached, state=10*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:171]: get_hdr_field(): <To> [47];
uri=[sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls]*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:174]: get_hdr_field(): to body
(47)[<sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls>^M*
*], to tag (0)[]*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:152]: get_hdr_field(): cseq <CSeq>: <10>
<OPTIONS>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:185]: get_hdr_field(): content_length=0*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:89]: get_hdr_field(): found end of header*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:610]: parse_msg(): SIP Request:*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:612]: parse_msg(): method: <OPTIONS>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:614]: parse_msg(): uri:
<sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:616]: parse_msg(): version: <SIP/2.0>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/parse_via.c:1303]: parse_via_param(): Found param type 232,
<branch> = <z9hG4bK169b.6411b4c3000000000000000000000000.0>; state=16*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/parse_via.c:2639]: parse_via(): end of header reached, state=5*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:498]: parse_headers(): Via found, flags=2*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:500]: parse_headers(): this is the first via*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/parse_addr_spec.c:864]: parse_addr_spec(): end of header
reached, state=10*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:171]: get_hdr_field(): <To> [47];
uri=[sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls]*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:174]: get_hdr_field(): to body
(47)[<sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls>^M*
*], to tag (0)[]*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/parser/msg_parser.c:152]: get_hdr_field(): cseq <CSeq>: <10>
<OPTIONS>*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tm
[uac.c:189]: uac_refresh_hdr_shortcuts(): cseq: [CSeq: 10]*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/tcp_main.c:1993]: tcp_send(): no open tcp connection found, opening
new one*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/ip_addr.c:229]: print_ip(): tcpconn_new: new tcp connection:
52.114.75.24*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/tcp_main.c:1175]: tcpconn_new(): on port 5061, type 3, socket -1*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
[core/tcp_main.c:1498]: tcpconn_add(): hashes: 2831:67:0, 1*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls
[tls_server.c:199]: tls_complete_init(): completing tls connection
initialization*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls
[tls_server.c:162]: tls_get_connect_server_name(): xavp with outbound
server name not found*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls
[tls_server.c:142]: tls_get_connect_server_id(): xavp with outbound server
id not found*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls
[tls_server.c:228]: tls_complete_init(): Using initial TLS domain
TLSc<default> (dom 0x7f35509da688 ctx 0x7f3550b7a568 sn [])*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls
[tls_domain.c:1177]: tls_lookup_private_key(): Private key lookup for
SSL_CTX-0x7f3550b7a568: (nil)*
*Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls
[tls_domain.c:747]: sr_ssl_ctx_info_callback(): SSL handshake started*
*...*
If I change the Default configuration to use kamailio.domain2.com
certificate, the second trunk will connect but the first one will fail.
I tried to set "$xavp(tls=>server_name)" and
"$xavp(tls[0]=>server_id)"
variables to the event_route[tm:local-request] section but log still stated
that server Name and ID were not found.
Can someone please point me in the right direction, how can I make
Kamailio use the correct certificates when establishing multiple TLS
connections?
Thanks a lot!
Regards, Volodymyr Ivanets
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--
Daniel-Constantin Mierla -- www.asipto.comwww.twitter.com/miconda --
www.linkedin.com/in/miconda
--
2:53 p.m.
Or maybe some special "id" to tell Kamailio to skip the verification and
just create a new connection? Then I could use the real "id" for further
outbound traffic.
Thank you!
Regards, Volodymyr Ivanets.
пт, 6 серп. 2021 о 15:45 Володимир Іванець <volodyaivanets(a)gmail.com> пише:
Hello Daniel!
Thank you for the suggestion. Unfortunately adding the
"tcp_connection_match=1" did not made a difference. Kamailio found other
connection to the same peer and used it instead:
*<core> [core/tcp_main.c:1610]: _tcpconn_find(): found connection by peer
address (id: 2)*
Also, it looks like the answer is in this comment:
https://github.com/kamailio/kamailio/blob/master/src/core/tcp_main.c#L1563.
And below are active tls connections for the previous trunk. Is there a way
to add an additional field like a "tag" that could be used in peer matching
as well? Otherwise, I guess the only option I have is to run separate
instances of Kamailio with a very basic configuration for each MS Teams
connection.
*# kamcmd tls.list{ id: 2 timeout: 0 src_ip:
52.114.75.24 src_port: 5061 dst_ip: 172.16.30.206
dst_port: 0 cipher: ECDHE-RSA-AES256-GCM-SHA384 TLSv1.2 Kx=ECDH
Au=RSA Enc=AESGCM(256) Mac=AEAD ct_wq_size: 0 enc_rd_buf: 0
flags: 2 state: established}{ id: 3 timeout: 0
src_ip: 52.114.75.24 src_port: 6272 dst_ip:
172.16.30.206 dst_port: 5063 cipher: AES256-GCM-SHA384
TLSv1.2 Kx=RSA Au=RSA Enc=AESGCM(256) Mac=AEAD ct_wq_size: 0
enc_rd_buf: 0 flags: 2 state: established}{ id:
4 timeout: 581 src_ip: 52.114.75.24 src_port: 6273
dst_ip: 172.16.30.206 dst_port: 5063 cipher:
AES256-GCM-SHA384 TLSv1.2 Kx=RSA Au=RSA Enc=AESGCM(256)
Mac=AEAD ct_wq_size: 0 enc_rd_buf: 0 flags: 2
state: established*
*} *
Thank you!
Regards, Volodymyr Ivanets.
ср, 4 серп. 2021 о 13:45 Daniel-Constantin Mierla <miconda(a)gmail.com>
пише:
> Hello,
>
> can you set
> https://www.kamailio.org/wiki/cookbooks/5.5.x/core#tcp_connection_match ?
>
> It may work only for connections accepted by Kamailio, but worth a try.
>
> Cheers,
> Daniel
> On 03.08.21 14:48, Володимир Іванець wrote:
>
> Hello Daniel,
>
> Yes, I have "socket=tls:172.16.30.206:5062" and "socket=tls:
> 172.16.30.206:5063" attributes for corresponding records in the
> Dispatcher configuration table. $fs prints out correct values in the
> "event_route[tm:local-request]".
>
> But I thought that TCP/TLS connections are established from a random port
> to a destination port on the peer side. And then the remote peer connects
> from its random port to our port 5062/5063.
>
> If understood Kamailio log correctly when it is about to establish a
> second connection to the same peer it sees an active connection for the
> previous trunk and uses it instead of creating a new one.
>
> Thank you!
>
> Regards, Volodymyr Ivanets.
>
> пн, 2 серп. 2021 о 22:21 Daniel-Constantin Mierla <miconda(a)gmail.com>
> пише:
>
>> Hello,
>>
>> do you force local send socket?
>>
>> Cheers,
>> Daniel
>> On 02.08.21 18:21, Володимир Іванець wrote:
>>
>> Hello Daniel!
>>
>> I updated Kamailio to the latest released version. The problem is that
>> still with tls_set_connect_server_id() I can not make a single instance of
>> Kamailio connect to multiple MS Teams domains. I use a single IP address
>> with different ports for different trunks. I can see it establishing a
>> connection to one trunk and using it for other domains.
>>
>> Is there a way to force Kamailio to make a new TLS connection to the
>> same peer address that it is already connected to?
>>
>> Thank you!
>>
>> Regards, Volodymyr Ivanets.
>>
>> пн, 2 серп. 2021 о 13:44 Daniel-Constantin Mierla <miconda(a)gmail.com>
>> пише:
>>
>>> Hello,
>>>
>>> upgrading is the recommended way, indeed, if you want to use
>>> tls_set_connect_server_id(). For older version you may want to try looping
>>> back to kamailio (can be over udp) and the use the xavps. Adds some
>>> overhead and hops, but if you are stuck to a version and can't really
>>> upgrade soon, might be an option to look at.
>>>
>>> Cheers,
>>> Daniel
>>> On 29.07.21 18:48, Володимир Іванець wrote:
>>>
>>> Hello Rob!
>>>
>>> Yes, I'm using Letsencrypt while I'm testing. But I would like to be
>>> able to use different certificates with different sockets.
>>>
>>> I found this discussion
>>> https://github.com/kamailio/kamailio/issues/2413. Looks like I need to
>>> use "tls_set_connect_server_id()" instead of setting
>>> $xavp(tls=>server_name)" and "$xavp(tls[0]=>server_id)".
Unfortunately I'm
>>> currently using Kamailio v5.4 on my test system and this function is not
>>> available. I will update Kamailio and give it another try. Then I will
>>> update everyone in the hope it will be useful for someone :)
>>>
>>> Thank you!
>>>
>>> Regards, Volodymyr Ivanets
>>>
>>> чт, 29 лип. 2021 о 19:07 Rob van den Bulk <rob.van.den.bulk(a)gmail.com>
>>> пише:
>>>
>>>> Hello, are u using letsencrypt?
>>>>
>>>> U can use a multi domain.
>>>>
>>>> Muti domain names in one certificate
>>>>
>>>> Outlook voor Android <https://aka.ms/AAb9ysg> downloaden
>>>> ------------------------------
>>>> *From:* sr-users <sr-users-bounces(a)lists.kamailio.org> on behalf
of
>>>> Володимир Іванець <volodyaivanets(a)gmail.com>
>>>> *Sent:* Thursday, July 29, 2021 4:44:16 PM
>>>> *To:* Kamailio (SER) - Users Mailing List
<sr-users(a)lists.kamailio.org
>>>> >
>>>> *Subject:* [SR-Users] Integration with multiple MS Teams instances
>>>>
>>>> Hello all!
>>>>
>>>> I was able to connect Kamailio with MS Teams and now trying to add one
>>>> more Teams instance. It looks like I have some misconfiguration or there
is
>>>> a bug.
>>>>
>>>> My test server has 2 domain records pointing at it (
>>>> kamailio.domain1.com and kamailio.domain2.com). My tls.cfg
>>>> configuration file looks like this. As you can see the Default section
is
>>>> configured with a kamailio.domain1.com sertificate:
>>>>
>>>> *[server:default]*
>>>> *method = TLSv1.0+*
>>>> *require_certificate = no*
>>>> *verify_certificate = no*
>>>> *private_key =
>>>> /var/kamailio/certificates/kamailio.domain1.com/server/key.pem
>>>> <http://kamailio.domain1.com/server/key.pem>*
>>>> *certificate =
>>>> /var/kamailio/certificates/kamailio.domain1.com/server/cert.pem
>>>> <http://kamailio.domain1.com/server/cert.pem>*
>>>> *ca_list = /var/kamailio/certificates/kamailio.domain1.com/CA/cert.pem
>>>> <http://kamailio.domain1.com/CA/cert.pem>*
>>>>
>>>>
>>>> *[client:default]*
>>>> *method = TLSv1.0+*
>>>> *require_certificate = no*
>>>> *verify_certificate = no*
>>>> *private_key =
>>>> /var/kamailio/certificates/kamailio.domain1.com/server/key.pem
>>>> <http://kamailio.domain1.com/server/key.pem>*
>>>> *certificate =
>>>> /var/kamailio/certificates/kamailio.domain1.com/server/cert.pem
>>>> <http://kamailio.domain1.com/server/cert.pem>*
>>>> *ca_list = /var/kamailio/certificates/kamailio.domain1.com/CA/cert.pem
>>>> <http://kamailio.domain1.com/CA/cert.pem>*
>>>>
>>>>
>>>>
>>>> *[server:172.16.30.206:5062 <http://172.16.30.206:5062>]*
>>>> *method = TLSv1.0+*
>>>> *require_certificate = no*
>>>> *verify_certificate = no*
>>>> *private_key =
>>>> /var/kamailio/certificates/kamailio.domain1.com/server/key.pem
>>>> <http://kamailio.domain1.com/server/key.pem>*
>>>> *certificate =
>>>> /var/kamailio/certificates/kamailio.domain1.com/server/cert.pem
>>>> <http://kamailio.domain1.com/server/cert.pem>*
>>>> *ca_list = /var/kamailio/certificates/kamailio.domain1.com/CA/cert.pem
>>>> <http://kamailio.domain1.com/CA/cert.pem>*
>>>> *server_name = "kamailio.domain1.com
<http://kamailio.domain1.com>"*
>>>> *server_id = "**"kamailio.domain1.com
<http://kamailio.domain1.com>"*
>>>>
>>>>
>>>> *[client:172.16.30.206:5062 <http://172.16.30.206:5062>]*
>>>> *method = TLSv1.0+*
>>>> *require_certificate = no*
>>>> *verify_certificate = no*
>>>> *private_key =
>>>> /var/kamailio/certificates/kamailio.domain1.com/server/key.pem
>>>> <http://kamailio.domain1.com/server/key.pem>*
>>>> *certificate =
>>>> /var/kamailio/certificates/kamailio.domain1.com/server/cert.pem
>>>> <http://kamailio.domain1.com/server/cert.pem>*
>>>> *ca_list = /var/kamailio/certificates/kamailio.domain1.com/CA/cert.pem
>>>> <http://kamailio.domain1.com/CA/cert.pem>*
>>>>
>>>>
>>>>
>>>> *[server:172.16.30.206:5063 <http://172.16.30.206:5063>]*
>>>> *method = TLSv1.0+*
>>>> *require_certificate = no*
>>>> *verify_certificate = no*
>>>> *private_key =
>>>> /var/kamailio/certificates/kamailio.domain2.com/server/key.pem
>>>> <http://kamailio.domain2.com/server/key.pem>*
>>>> *certificate =
>>>> /var/kamailio/certificates/kamailio.domain2.com/server/cert.pem
>>>> <http://kamailio.domain2.com/server/cert.pem>*
>>>> *ca_list = /var/kamailio/certificates/kamailio.domain2.com/CA/cert.pem
>>>> <http://kamailio.domain2.com/CA/cert.pem>*
>>>> *server_name = "kamailio.domain2.com
<http://kamailio.domain2.com>"*
>>>>
>>>> *server_id = "**"kamailio.domain2.com
<http://kamailio.domain2.com>"*
>>>>
>>>>
>>>> *[client:172.16.30.206:5063 <http://172.16.30.206:5063>]*
>>>> *method = TLSv1.0+*
>>>> *require_certificate = no*
>>>> *verify_certificate = no*
>>>> *private_key =
>>>> /var/kamailio/certificates/kamailio.domain2.com/server/key.pem
>>>> <http://kamailio.domain2.com/server/key.pem>*
>>>> *certificate =
>>>> /var/kamailio/certificates/kamailio.domain2.com/server/cert.pem
>>>> <http://kamailio.domain2.com/server/cert.pem>*
>>>> *ca_list = /var/kamailio/certificates/kamailio.domain2.com/CA/cert.pem
>>>> <http://kamailio.domain2.com/CA/cert.pem>*
>>>>
>>>>
>>>> The dispatcher configuration table looks like this:
>>>>
>>>>
>>>>
+----+-------+----------------------------------------------+-------+----------+--------------------------------------------------------------------+-------------+
>>>> | id | setid | destination | flags |
>>>> priority | attrs
>>>> | description |
>>>>
>>>>
+----+-------+----------------------------------------------+-------+----------+--------------------------------------------------------------------+-------------+
>>>> | 1 | 1 | sip:sip.pstnhub.microsoft.com;transport=tls | 0 |
>>>> 3 | socket=tls:172.16.30.206:5062;ping_from=sip:
>>>> kamailio.domain1.com | MS Teams 1 |
>>>> | 2 | 2 | sip:sip.pstnhub.microsoft.com;transport=tls | 0 |
>>>> 3 | socket=tls:172.16.30.206:5063;ping_from=sip:
>>>> kamailio.domain2.com | MS Teams 2 |
>>>>
>>>>
+----+-------+----------------------------------------------+-------+----------+--------------------------------------------------------------------+-------------+
>>>>
>>>>
>>>>
>>>> When Kamailio is started only connection with the first trunk is
>>>> established:
>>>>
>>>> *# kamcmd tls.list*
>>>> *{*
>>>> * id: 1*
>>>> * timeout: 0*
>>>> * src_ip: 52.114.75.24*
>>>> * src_port: 5061*
>>>> * dst_ip: 172.16.30.206*
>>>> * dst_port: 0*
>>>> * cipher: ECDHE-RSA-AES256-GCM-SHA384 TLSv1.2 Kx=ECDH
>>>> Au=RSA Enc=AESGCM(256) Mac=AEAD*
>>>> * ct_wq_size: 0*
>>>> * enc_rd_buf: 0*
>>>> * flags: 2*
>>>> * state: established*
>>>> *}*
>>>> *{*
>>>> * id: 2*
>>>> * timeout: 0*
>>>> * src_ip: 52.114.75.24*
>>>> * src_port: 7810*
>>>> * dst_ip: 172.16.30.206*
>>>> * dst_port: 5062*
>>>> * cipher: AES256-GCM-SHA384 TLSv1.2 Kx=RSA Au=RSA
>>>> Enc=AESGCM(256) Mac=AEAD*
>>>> * ct_wq_size: 0*
>>>> * enc_rd_buf: 0*
>>>> * flags: 2*
>>>> * state: established*
>>>> *}*
>>>> *{*
>>>> * id: 3*
>>>> * timeout: 596*
>>>> * src_ip: 52.114.75.24*
>>>> * src_port: 7811*
>>>> * dst_ip: 172.16.30.206*
>>>> * dst_port: 5062*
>>>> * cipher: AES256-GCM-SHA384 TLSv1.2 Kx=RSA Au=RSA
>>>> Enc=AESGCM(256) Mac=AEAD*
>>>> * ct_wq_size: 0*
>>>> * enc_rd_buf: 0*
>>>> * flags: 2*
>>>> * state: established*
>>>> *}*
>>>>
>>>>
>>>> Here is what I can see in Kamailio log file when it sends an OPTIONS
>>>> request to the second trunk. Kamailio uses Default tls configuration and
MS
>>>> Teams don't accept it:
>>>>
>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: ALERT:
<script>:
>>>> == TRACE. tm:local-request. fs is tls:172.16.30.206:5063
>>>> <http://172.16.30.206:5063>*
>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tm
>>>> [uac.c:352]: t_run_local_req(): apply new updates without Via to sip
msg*
>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
>>>> [core/msg_translator.c:1796]: check_boundaries(): no multi-part body*
>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
>>>> [core/parser/msg_parser.c:610]: parse_msg(): SIP Request:*
>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
>>>> [core/parser/msg_parser.c:612]: parse_msg(): method: <OPTIONS>*
>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
>>>> [core/parser/msg_parser.c:614]: parse_msg(): uri:
>>>> <sip:sip.pstnhub.microsoft.com
>>>> <http://sip.pstnhub.microsoft.com>;transport=tls>*
>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
>>>> [core/parser/msg_parser.c:616]: parse_msg(): version: <SIP/2.0>*
>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
>>>> [core/parser/parse_via.c:1303]: parse_via_param(): Found param type 232,
>>>> <branch> = <z9hG4bK169b.6411b4c3000000000000000000000000.0>;
state=16*
>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
>>>> [core/parser/parse_via.c:2639]: parse_via(): end of header reached,
state=5*
>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
>>>> [core/parser/msg_parser.c:498]: parse_headers(): Via found, flags=2*
>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
>>>> [core/parser/msg_parser.c:500]: parse_headers(): this is the first via*
>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
>>>> [core/parser/parse_addr_spec.c:864]: parse_addr_spec(): end of header
>>>> reached, state=10*
>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
>>>> [core/parser/msg_parser.c:171]: get_hdr_field(): <To> [47];
>>>> uri=[sip:sip.pstnhub.microsoft.com
>>>> <http://sip.pstnhub.microsoft.com>;transport=tls]*
>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
>>>> [core/parser/msg_parser.c:174]: get_hdr_field(): to body
>>>> (47)[<sip:sip.pstnhub.microsoft.com
>>>> <http://sip.pstnhub.microsoft.com>;transport=tls>^M*
>>>> *], to tag (0)[]*
>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
>>>> [core/parser/msg_parser.c:152]: get_hdr_field(): cseq <CSeq>:
<10>
>>>> <OPTIONS>*
>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
>>>> [core/parser/msg_parser.c:185]: get_hdr_field(): content_length=0*
>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
>>>> [core/parser/msg_parser.c:89]: get_hdr_field(): found end of header*
>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
>>>> [core/parser/msg_parser.c:610]: parse_msg(): SIP Request:*
>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
>>>> [core/parser/msg_parser.c:612]: parse_msg(): method: <OPTIONS>*
>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
>>>> [core/parser/msg_parser.c:614]: parse_msg(): uri:
>>>> <sip:sip.pstnhub.microsoft.com
>>>> <http://sip.pstnhub.microsoft.com>;transport=tls>*
>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
>>>> [core/parser/msg_parser.c:616]: parse_msg(): version: <SIP/2.0>*
>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
>>>> [core/parser/parse_via.c:1303]: parse_via_param(): Found param type 232,
>>>> <branch> = <z9hG4bK169b.6411b4c3000000000000000000000000.0>;
state=16*
>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
>>>> [core/parser/parse_via.c:2639]: parse_via(): end of header reached,
state=5*
>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
>>>> [core/parser/msg_parser.c:498]: parse_headers(): Via found, flags=2*
>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
>>>> [core/parser/msg_parser.c:500]: parse_headers(): this is the first via*
>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
>>>> [core/parser/parse_addr_spec.c:864]: parse_addr_spec(): end of header
>>>> reached, state=10*
>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
>>>> [core/parser/msg_parser.c:171]: get_hdr_field(): <To> [47];
>>>> uri=[sip:sip.pstnhub.microsoft.com
>>>> <http://sip.pstnhub.microsoft.com>;transport=tls]*
>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
>>>> [core/parser/msg_parser.c:174]: get_hdr_field(): to body
>>>> (47)[<sip:sip.pstnhub.microsoft.com
>>>> <http://sip.pstnhub.microsoft.com>;transport=tls>^M*
>>>> *], to tag (0)[]*
>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
>>>> [core/parser/msg_parser.c:152]: get_hdr_field(): cseq <CSeq>:
<10>
>>>> <OPTIONS>*
>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tm
>>>> [uac.c:189]: uac_refresh_hdr_shortcuts(): cseq: [CSeq: 10]*
>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
>>>> [core/tcp_main.c:1993]: tcp_send(): no open tcp connection found,
opening
>>>> new one*
>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
>>>> [core/ip_addr.c:229]: print_ip(): tcpconn_new: new tcp connection:
>>>> 52.114.75.24*
>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
>>>> [core/tcp_main.c:1175]: tcpconn_new(): on port 5061, type 3, socket -1*
>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: <core>
>>>> [core/tcp_main.c:1498]: tcpconn_add(): hashes: 2831:67:0, 1*
>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls
>>>> [tls_server.c:199]: tls_complete_init(): completing tls connection
>>>> initialization*
>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls
>>>> [tls_server.c:162]: tls_get_connect_server_name(): xavp with outbound
>>>> server name not found*
>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls
>>>> [tls_server.c:142]: tls_get_connect_server_id(): xavp with outbound
server
>>>> id not found*
>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls
>>>> [tls_server.c:228]: tls_complete_init(): Using initial TLS domain
>>>> TLSc<default> (dom 0x7f35509da688 ctx 0x7f3550b7a568 sn [])*
>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls
>>>> [tls_domain.c:1177]: tls_lookup_private_key(): Private key lookup for
>>>> SSL_CTX-0x7f3550b7a568: (nil)*
>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls
>>>> [tls_domain.c:747]: sr_ssl_ctx_info_callback(): SSL handshake started*
>>>> *...*
>>>>
>>>>
>>>> If I change the Default configuration to use kamailio.domain2.com
>>>> certificate, the second trunk will connect but the first one will fail.
>>>> I tried to set "$xavp(tls=>server_name)" and
>>>> "$xavp(tls[0]=>server_id)" variables to the
event_route[tm:local-request]
>>>> section but log still stated that server Name and ID were not found.
>>>>
>>>> Can someone please point me in the right direction, how can I make
>>>> Kamailio use the correct certificates when establishing multiple TLS
>>>> connections?
>>>>
>>>> Thanks a lot!
>>>>
>>>> Regards, Volodymyr Ivanets
>>>> __________________________________________________________
>>>> Kamailio - Users Mailing List - Non Commercial Discussions
>>>> * sr-users(a)lists.kamailio.org
>>>> Important: keep the mailing list in the recipients, do not reply only
>>>> to the sender!
>>>> Edit mailing list options or unsubscribe:
>>>> * https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>>>
>>>
>>> __________________________________________________________
>>> Kamailio - Users Mailing List - Non Commercial Discussions
>>> * sr-users(a)lists.kamailio.org
>>> Important: keep the mailing list in the recipients, do not reply only to the
sender!
>>> Edit mailing list options or unsubscribe:
>>> * https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>>
>>> --
>>> Daniel-Constantin Mierla -- www.asipto.comwww.twitter.com/miconda --
www.linkedin.com/in/miconda
>>>
>>> --
>> Daniel-Constantin Mierla -- www.asipto.comwww.twitter.com/miconda --
www.linkedin.com/in/miconda
>>
>> --
> Daniel-Constantin Mierla -- www.asipto.comwww.twitter.com/miconda --
www.linkedin.com/in/miconda
>
>
9 Aug
9 Aug
4:26 p.m.
Hello all!
Does anyone know if function tcp_set_otcpid() can be used in
"event_route[tm:local-request]"? I added this to the configuration:
*$var(conid) = 10;*
*tcp_set_otcpid("$var(conid)");*
... and was expecting that Kamailio will not find a match (there is no
connection id #10 at this point), go here
https://github.com/kamailio/kamailio/blob/master/src/core/tcp_main.c#L1615
and then initiate a new connection
https://github.com/kamailio/kamailio/blob/master/src/core/tcp_main.c#L1993.
But it went to
https://github.com/kamailio/kamailio/blob/master/src/core/tcp_main.c#L1594
and could find a match:
*Aug 9 17:08:31 kamailio-dev-2 /usr/sbin/kamailio[3858]: DEBUG: <core>
[core/tcp_main.c:1610]: _tcpconn_find(): found connection by peer address
(id: 2)*
Thanks a lot!
Regards, Volodymyr Ivanets.
пт, 6 серп. 2021 о 15:53 Володимир Іванець <volodyaivanets(a)gmail.com> пише:
Or maybe some special "id" to tell Kamailio
to skip the verification and
just create a new connection? Then I could use the real "id" for further
outbound traffic.
Thank you!
Regards, Volodymyr Ivanets.
пт, 6 серп. 2021 о 15:45 Володимир Іванець <volodyaivanets(a)gmail.com>
пише:
> Hello Daniel!
>
> Thank you for the suggestion. Unfortunately adding the
> "tcp_connection_match=1" did not made a difference. Kamailio found other
> connection to the same peer and used it instead:
>
> *<core> [core/tcp_main.c:1610]: _tcpconn_find(): found connection by peer
> address (id: 2)*
>
> Also, it looks like the answer is in this comment:
> https://github.com/kamailio/kamailio/blob/master/src/core/tcp_main.c#L1563.
> And below are active tls connections for the previous trunk. Is there a way
> to add an additional field like a "tag" that could be used in peer
matching
> as well? Otherwise, I guess the only option I have is to run separate
> instances of Kamailio with a very basic configuration for each MS Teams
> connection.
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
> *# kamcmd tls.list{ id: 2 timeout: 0 src_ip:
> 52.114.75.24 src_port: 5061 dst_ip: 172.16.30.206
> dst_port: 0 cipher: ECDHE-RSA-AES256-GCM-SHA384 TLSv1.2 Kx=ECDH
> Au=RSA Enc=AESGCM(256) Mac=AEAD ct_wq_size: 0 enc_rd_buf: 0
> flags: 2 state: established}{ id: 3 timeout: 0
> src_ip: 52.114.75.24 src_port: 6272 dst_ip:
> 172.16.30.206 dst_port: 5063 cipher: AES256-GCM-SHA384
> TLSv1.2 Kx=RSA Au=RSA Enc=AESGCM(256) Mac=AEAD ct_wq_size: 0
> enc_rd_buf: 0 flags: 2 state: established}{ id:
> 4 timeout: 581 src_ip: 52.114.75.24 src_port: 6273
> dst_ip: 172.16.30.206 dst_port: 5063 cipher:
> AES256-GCM-SHA384 TLSv1.2 Kx=RSA Au=RSA Enc=AESGCM(256)
> Mac=AEAD ct_wq_size: 0 enc_rd_buf: 0 flags: 2
> state: established*
> *} *
>
> Thank you!
>
> Regards, Volodymyr Ivanets.
>
> ср, 4 серп. 2021 о 13:45 Daniel-Constantin Mierla <miconda(a)gmail.com>
> пише:
>
>> Hello,
>>
>> can you set
>> https://www.kamailio.org/wiki/cookbooks/5.5.x/core#tcp_connection_match
>> ?
>>
>> It may work only for connections accepted by Kamailio, but worth a try.
>>
>> Cheers,
>> Daniel
>> On 03.08.21 14:48, Володимир Іванець wrote:
>>
>> Hello Daniel,
>>
>> Yes, I have "socket=tls:172.16.30.206:5062" and "socket=tls:
>> 172.16.30.206:5063" attributes for corresponding records in the
>> Dispatcher configuration table. $fs prints out correct values in the
>> "event_route[tm:local-request]".
>>
>> But I thought that TCP/TLS connections are established from a random
>> port to a destination port on the peer side. And then the remote peer
>> connects from its random port to our port 5062/5063.
>>
>> If understood Kamailio log correctly when it is about to establish a
>> second connection to the same peer it sees an active connection for the
>> previous trunk and uses it instead of creating a new one.
>>
>> Thank you!
>>
>> Regards, Volodymyr Ivanets.
>>
>> пн, 2 серп. 2021 о 22:21 Daniel-Constantin Mierla <miconda(a)gmail.com>
>> пише:
>>
>>> Hello,
>>>
>>> do you force local send socket?
>>>
>>> Cheers,
>>> Daniel
>>> On 02.08.21 18:21, Володимир Іванець wrote:
>>>
>>> Hello Daniel!
>>>
>>> I updated Kamailio to the latest released version. The problem is that
>>> still with tls_set_connect_server_id() I can not make a single instance of
>>> Kamailio connect to multiple MS Teams domains. I use a single IP address
>>> with different ports for different trunks. I can see it establishing a
>>> connection to one trunk and using it for other domains.
>>>
>>> Is there a way to force Kamailio to make a new TLS connection to the
>>> same peer address that it is already connected to?
>>>
>>> Thank you!
>>>
>>> Regards, Volodymyr Ivanets.
>>>
>>> пн, 2 серп. 2021 о 13:44 Daniel-Constantin Mierla <miconda(a)gmail.com>
>>> пише:
>>>
>>>> Hello,
>>>>
>>>> upgrading is the recommended way, indeed, if you want to use
>>>> tls_set_connect_server_id(). For older version you may want to try
looping
>>>> back to kamailio (can be over udp) and the use the xavps. Adds some
>>>> overhead and hops, but if you are stuck to a version and can't
really
>>>> upgrade soon, might be an option to look at.
>>>>
>>>> Cheers,
>>>> Daniel
>>>> On 29.07.21 18:48, Володимир Іванець wrote:
>>>>
>>>> Hello Rob!
>>>>
>>>> Yes, I'm using Letsencrypt while I'm testing. But I would like to
be
>>>> able to use different certificates with different sockets.
>>>>
>>>> I found this discussion
>>>> https://github.com/kamailio/kamailio/issues/2413. Looks like I need
>>>> to use "tls_set_connect_server_id()" instead of setting
>>>> $xavp(tls=>server_name)" and
"$xavp(tls[0]=>server_id)". Unfortunately I'm
>>>> currently using Kamailio v5.4 on my test system and this function is not
>>>> available. I will update Kamailio and give it another try. Then I will
>>>> update everyone in the hope it will be useful for someone :)
>>>>
>>>> Thank you!
>>>>
>>>> Regards, Volodymyr Ivanets
>>>>
>>>> чт, 29 лип. 2021 о 19:07 Rob van den Bulk
<rob.van.den.bulk(a)gmail.com>
>>>> пише:
>>>>
>>>>> Hello, are u using letsencrypt?
>>>>>
>>>>> U can use a multi domain.
>>>>>
>>>>> Muti domain names in one certificate
>>>>>
>>>>> Outlook voor Android <https://aka.ms/AAb9ysg> downloaden
>>>>> ------------------------------
>>>>> *From:* sr-users <sr-users-bounces(a)lists.kamailio.org> on
behalf of
>>>>> Володимир Іванець <volodyaivanets(a)gmail.com>
>>>>> *Sent:* Thursday, July 29, 2021 4:44:16 PM
>>>>> *To:* Kamailio (SER) - Users Mailing List <
>>>>> sr-users(a)lists.kamailio.org>
>>>>> *Subject:* [SR-Users] Integration with multiple MS Teams instances
>>>>>
>>>>> Hello all!
>>>>>
>>>>> I was able to connect Kamailio with MS Teams and now trying to add
>>>>> one more Teams instance. It looks like I have some misconfiguration
or
>>>>> there is a bug.
>>>>>
>>>>> My test server has 2 domain records pointing at it (
>>>>> kamailio.domain1.com and kamailio.domain2.com). My tls.cfg
>>>>> configuration file looks like this. As you can see the Default
section is
>>>>> configured with a kamailio.domain1.com sertificate:
>>>>>
>>>>> *[server:default]*
>>>>> *method = TLSv1.0+*
>>>>> *require_certificate = no*
>>>>> *verify_certificate = no*
>>>>> *private_key =
>>>>> /var/kamailio/certificates/kamailio.domain1.com/server/key.pem
>>>>> <http://kamailio.domain1.com/server/key.pem>*
>>>>> *certificate =
>>>>> /var/kamailio/certificates/kamailio.domain1.com/server/cert.pem
>>>>> <http://kamailio.domain1.com/server/cert.pem>*
>>>>> *ca_list =
>>>>> /var/kamailio/certificates/kamailio.domain1.com/CA/cert.pem
>>>>> <http://kamailio.domain1.com/CA/cert.pem>*
>>>>>
>>>>>
>>>>> *[client:default]*
>>>>> *method = TLSv1.0+*
>>>>> *require_certificate = no*
>>>>> *verify_certificate = no*
>>>>> *private_key =
>>>>> /var/kamailio/certificates/kamailio.domain1.com/server/key.pem
>>>>> <http://kamailio.domain1.com/server/key.pem>*
>>>>> *certificate =
>>>>> /var/kamailio/certificates/kamailio.domain1.com/server/cert.pem
>>>>> <http://kamailio.domain1.com/server/cert.pem>*
>>>>> *ca_list =
>>>>> /var/kamailio/certificates/kamailio.domain1.com/CA/cert.pem
>>>>> <http://kamailio.domain1.com/CA/cert.pem>*
>>>>>
>>>>>
>>>>>
>>>>> *[server:172.16.30.206:5062 <http://172.16.30.206:5062>]*
>>>>> *method = TLSv1.0+*
>>>>> *require_certificate = no*
>>>>> *verify_certificate = no*
>>>>> *private_key =
>>>>> /var/kamailio/certificates/kamailio.domain1.com/server/key.pem
>>>>> <http://kamailio.domain1.com/server/key.pem>*
>>>>> *certificate =
>>>>> /var/kamailio/certificates/kamailio.domain1.com/server/cert.pem
>>>>> <http://kamailio.domain1.com/server/cert.pem>*
>>>>> *ca_list =
>>>>> /var/kamailio/certificates/kamailio.domain1.com/CA/cert.pem
>>>>> <http://kamailio.domain1.com/CA/cert.pem>*
>>>>> *server_name = "kamailio.domain1.com
<http://kamailio.domain1.com>"*
>>>>> *server_id = "**"kamailio.domain1.com
<http://kamailio.domain1.com>"*
>>>>>
>>>>>
>>>>> *[client:172.16.30.206:5062 <http://172.16.30.206:5062>]*
>>>>> *method = TLSv1.0+*
>>>>> *require_certificate = no*
>>>>> *verify_certificate = no*
>>>>> *private_key =
>>>>> /var/kamailio/certificates/kamailio.domain1.com/server/key.pem
>>>>> <http://kamailio.domain1.com/server/key.pem>*
>>>>> *certificate =
>>>>> /var/kamailio/certificates/kamailio.domain1.com/server/cert.pem
>>>>> <http://kamailio.domain1.com/server/cert.pem>*
>>>>> *ca_list =
>>>>> /var/kamailio/certificates/kamailio.domain1.com/CA/cert.pem
>>>>> <http://kamailio.domain1.com/CA/cert.pem>*
>>>>>
>>>>>
>>>>>
>>>>> *[server:172.16.30.206:5063 <http://172.16.30.206:5063>]*
>>>>> *method = TLSv1.0+*
>>>>> *require_certificate = no*
>>>>> *verify_certificate = no*
>>>>> *private_key =
>>>>> /var/kamailio/certificates/kamailio.domain2.com/server/key.pem
>>>>> <http://kamailio.domain2.com/server/key.pem>*
>>>>> *certificate =
>>>>> /var/kamailio/certificates/kamailio.domain2.com/server/cert.pem
>>>>> <http://kamailio.domain2.com/server/cert.pem>*
>>>>> *ca_list =
>>>>> /var/kamailio/certificates/kamailio.domain2.com/CA/cert.pem
>>>>> <http://kamailio.domain2.com/CA/cert.pem>*
>>>>> *server_name = "kamailio.domain2.com
<http://kamailio.domain2.com>"*
>>>>>
>>>>> *server_id = "**"kamailio.domain2.com
<http://kamailio.domain2.com>"*
>>>>>
>>>>>
>>>>> *[client:172.16.30.206:5063 <http://172.16.30.206:5063>]*
>>>>> *method = TLSv1.0+*
>>>>> *require_certificate = no*
>>>>> *verify_certificate = no*
>>>>> *private_key =
>>>>> /var/kamailio/certificates/kamailio.domain2.com/server/key.pem
>>>>> <http://kamailio.domain2.com/server/key.pem>*
>>>>> *certificate =
>>>>> /var/kamailio/certificates/kamailio.domain2.com/server/cert.pem
>>>>> <http://kamailio.domain2.com/server/cert.pem>*
>>>>> *ca_list =
>>>>> /var/kamailio/certificates/kamailio.domain2.com/CA/cert.pem
>>>>> <http://kamailio.domain2.com/CA/cert.pem>*
>>>>>
>>>>>
>>>>> The dispatcher configuration table looks like this:
>>>>>
>>>>>
>>>>>
+----+-------+----------------------------------------------+-------+----------+--------------------------------------------------------------------+-------------+
>>>>> | id | setid | destination | flags
|
>>>>> priority | attrs
>>>>> | description |
>>>>>
>>>>>
+----+-------+----------------------------------------------+-------+----------+--------------------------------------------------------------------+-------------+
>>>>> | 1 | 1 | sip:sip.pstnhub.microsoft.com;transport=tls | 0
>>>>> | 3 | socket=tls:172.16.30.206:5062;ping_from=sip:
>>>>> kamailio.domain1.com | MS Teams 1 |
>>>>> | 2 | 2 | sip:sip.pstnhub.microsoft.com;transport=tls | 0
>>>>> | 3 | socket=tls:172.16.30.206:5063;ping_from=sip:
>>>>> kamailio.domain2.com | MS Teams 2 |
>>>>>
>>>>>
+----+-------+----------------------------------------------+-------+----------+--------------------------------------------------------------------+-------------+
>>>>>
>>>>>
>>>>>
>>>>> When Kamailio is started only connection with the first trunk is
>>>>> established:
>>>>>
>>>>> *# kamcmd tls.list*
>>>>> *{*
>>>>> * id: 1*
>>>>> * timeout: 0*
>>>>> * src_ip: 52.114.75.24*
>>>>> * src_port: 5061*
>>>>> * dst_ip: 172.16.30.206*
>>>>> * dst_port: 0*
>>>>> * cipher: ECDHE-RSA-AES256-GCM-SHA384 TLSv1.2 Kx=ECDH
>>>>> Au=RSA Enc=AESGCM(256) Mac=AEAD*
>>>>> * ct_wq_size: 0*
>>>>> * enc_rd_buf: 0*
>>>>> * flags: 2*
>>>>> * state: established*
>>>>> *}*
>>>>> *{*
>>>>> * id: 2*
>>>>> * timeout: 0*
>>>>> * src_ip: 52.114.75.24*
>>>>> * src_port: 7810*
>>>>> * dst_ip: 172.16.30.206*
>>>>> * dst_port: 5062*
>>>>> * cipher: AES256-GCM-SHA384 TLSv1.2 Kx=RSA Au=RSA
>>>>> Enc=AESGCM(256) Mac=AEAD*
>>>>> * ct_wq_size: 0*
>>>>> * enc_rd_buf: 0*
>>>>> * flags: 2*
>>>>> * state: established*
>>>>> *}*
>>>>> *{*
>>>>> * id: 3*
>>>>> * timeout: 596*
>>>>> * src_ip: 52.114.75.24*
>>>>> * src_port: 7811*
>>>>> * dst_ip: 172.16.30.206*
>>>>> * dst_port: 5062*
>>>>> * cipher: AES256-GCM-SHA384 TLSv1.2 Kx=RSA Au=RSA
>>>>> Enc=AESGCM(256) Mac=AEAD*
>>>>> * ct_wq_size: 0*
>>>>> * enc_rd_buf: 0*
>>>>> * flags: 2*
>>>>> * state: established*
>>>>> *}*
>>>>>
>>>>>
>>>>> Here is what I can see in Kamailio log file when it sends an OPTIONS
>>>>> request to the second trunk. Kamailio uses Default tls configuration
and MS
>>>>> Teams don't accept it:
>>>>>
>>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: ALERT:
<script>:
>>>>> == TRACE. tm:local-request. fs is tls:172.16.30.206:5063
>>>>> <http://172.16.30.206:5063>*
>>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tm
>>>>> [uac.c:352]: t_run_local_req(): apply new updates without Via to sip
msg*
>>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core>
>>>>> [core/msg_translator.c:1796]: check_boundaries(): no multi-part
body*
>>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core>
>>>>> [core/parser/msg_parser.c:610]: parse_msg(): SIP Request:*
>>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core>
>>>>> [core/parser/msg_parser.c:612]: parse_msg(): method:
<OPTIONS>*
>>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core>
>>>>> [core/parser/msg_parser.c:614]: parse_msg(): uri:
>>>>> <sip:sip.pstnhub.microsoft.com
>>>>> <http://sip.pstnhub.microsoft.com>;transport=tls>*
>>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core>
>>>>> [core/parser/msg_parser.c:616]: parse_msg(): version:
<SIP/2.0>*
>>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core>
>>>>> [core/parser/parse_via.c:1303]: parse_via_param(): Found param type
232,
>>>>> <branch> =
<z9hG4bK169b.6411b4c3000000000000000000000000.0>; state=16*
>>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core>
>>>>> [core/parser/parse_via.c:2639]: parse_via(): end of header reached,
state=5*
>>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core>
>>>>> [core/parser/msg_parser.c:498]: parse_headers(): Via found, flags=2*
>>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core>
>>>>> [core/parser/msg_parser.c:500]: parse_headers(): this is the first
via*
>>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core>
>>>>> [core/parser/parse_addr_spec.c:864]: parse_addr_spec(): end of
header
>>>>> reached, state=10*
>>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core>
>>>>> [core/parser/msg_parser.c:171]: get_hdr_field(): <To> [47];
>>>>> uri=[sip:sip.pstnhub.microsoft.com
>>>>> <http://sip.pstnhub.microsoft.com>;transport=tls]*
>>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core>
>>>>> [core/parser/msg_parser.c:174]: get_hdr_field(): to body
>>>>> (47)[<sip:sip.pstnhub.microsoft.com
>>>>> <http://sip.pstnhub.microsoft.com>;transport=tls>^M*
>>>>> *], to tag (0)[]*
>>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core>
>>>>> [core/parser/msg_parser.c:152]: get_hdr_field(): cseq <CSeq>:
<10>
>>>>> <OPTIONS>*
>>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core>
>>>>> [core/parser/msg_parser.c:185]: get_hdr_field(): content_length=0*
>>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core>
>>>>> [core/parser/msg_parser.c:89]: get_hdr_field(): found end of header*
>>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core>
>>>>> [core/parser/msg_parser.c:610]: parse_msg(): SIP Request:*
>>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core>
>>>>> [core/parser/msg_parser.c:612]: parse_msg(): method:
<OPTIONS>*
>>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core>
>>>>> [core/parser/msg_parser.c:614]: parse_msg(): uri:
>>>>> <sip:sip.pstnhub.microsoft.com
>>>>> <http://sip.pstnhub.microsoft.com>;transport=tls>*
>>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core>
>>>>> [core/parser/msg_parser.c:616]: parse_msg(): version:
<SIP/2.0>*
>>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core>
>>>>> [core/parser/parse_via.c:1303]: parse_via_param(): Found param type
232,
>>>>> <branch> =
<z9hG4bK169b.6411b4c3000000000000000000000000.0>; state=16*
>>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core>
>>>>> [core/parser/parse_via.c:2639]: parse_via(): end of header reached,
state=5*
>>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core>
>>>>> [core/parser/msg_parser.c:498]: parse_headers(): Via found, flags=2*
>>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core>
>>>>> [core/parser/msg_parser.c:500]: parse_headers(): this is the first
via*
>>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core>
>>>>> [core/parser/parse_addr_spec.c:864]: parse_addr_spec(): end of
header
>>>>> reached, state=10*
>>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core>
>>>>> [core/parser/msg_parser.c:171]: get_hdr_field(): <To> [47];
>>>>> uri=[sip:sip.pstnhub.microsoft.com
>>>>> <http://sip.pstnhub.microsoft.com>;transport=tls]*
>>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core>
>>>>> [core/parser/msg_parser.c:174]: get_hdr_field(): to body
>>>>> (47)[<sip:sip.pstnhub.microsoft.com
>>>>> <http://sip.pstnhub.microsoft.com>;transport=tls>^M*
>>>>> *], to tag (0)[]*
>>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core>
>>>>> [core/parser/msg_parser.c:152]: get_hdr_field(): cseq <CSeq>:
<10>
>>>>> <OPTIONS>*
>>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tm
>>>>> [uac.c:189]: uac_refresh_hdr_shortcuts(): cseq: [CSeq: 10]*
>>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core>
>>>>> [core/tcp_main.c:1993]: tcp_send(): no open tcp connection found,
opening
>>>>> new one*
>>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core>
>>>>> [core/ip_addr.c:229]: print_ip(): tcpconn_new: new tcp connection:
>>>>> 52.114.75.24*
>>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core>
>>>>> [core/tcp_main.c:1175]: tcpconn_new(): on port 5061, type 3, socket
-1*
>>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG:
<core>
>>>>> [core/tcp_main.c:1498]: tcpconn_add(): hashes: 2831:67:0, 1*
>>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls
>>>>> [tls_server.c:199]: tls_complete_init(): completing tls connection
>>>>> initialization*
>>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls
>>>>> [tls_server.c:162]: tls_get_connect_server_name(): xavp with
outbound
>>>>> server name not found*
>>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls
>>>>> [tls_server.c:142]: tls_get_connect_server_id(): xavp with outbound
server
>>>>> id not found*
>>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls
>>>>> [tls_server.c:228]: tls_complete_init(): Using initial TLS domain
>>>>> TLSc<default> (dom 0x7f35509da688 ctx 0x7f3550b7a568 sn [])*
>>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls
>>>>> [tls_domain.c:1177]: tls_lookup_private_key(): Private key lookup
for
>>>>> SSL_CTX-0x7f3550b7a568: (nil)*
>>>>> *Jul 29 16:46:14 kamailio /usr/sbin/kamailio[11809]: DEBUG: tls
>>>>> [tls_domain.c:747]: sr_ssl_ctx_info_callback(): SSL handshake
started*
>>>>> *...*
>>>>>
>>>>>
>>>>> If I change the Default configuration to use kamailio.domain2.com
>>>>> certificate, the second trunk will connect but the first one will
fail.
>>>>> I tried to set "$xavp(tls=>server_name)" and
>>>>> "$xavp(tls[0]=>server_id)" variables to the
event_route[tm:local-request]
>>>>> section but log still stated that server Name and ID were not found.
>>>>>
>>>>> Can someone please point me in the right direction, how can I make
>>>>> Kamailio use the correct certificates when establishing multiple TLS
>>>>> connections?
>>>>>
>>>>> Thanks a lot!
>>>>>
>>>>> Regards, Volodymyr Ivanets
>>>>> __________________________________________________________
>>>>> Kamailio - Users Mailing List - Non Commercial Discussions
>>>>> * sr-users(a)lists.kamailio.org
>>>>> Important: keep the mailing list in the recipients, do not reply
only
>>>>> to the sender!
>>>>> Edit mailing list options or unsubscribe:
>>>>> * https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>>>>
>>>>
>>>> __________________________________________________________
>>>> Kamailio - Users Mailing List - Non Commercial Discussions
>>>> * sr-users(a)lists.kamailio.org
>>>> Important: keep the mailing list in the recipients, do not reply only to
the sender!
>>>> Edit mailing list options or unsubscribe:
>>>> * https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>>>
>>>> --
>>>> Daniel-Constantin Mierla -- www.asipto.comwww.twitter.com/miconda --
www.linkedin.com/in/miconda
>>>>
>>>> --
>>> Daniel-Constantin Mierla -- www.asipto.comwww.twitter.com/miconda --
www.linkedin.com/in/miconda
>>>
>>> --
>> Daniel-Constantin Mierla -- www.asipto.comwww.twitter.com/miconda --
www.linkedin.com/in/miconda
>>
>>
10 Aug
10 Aug
8:22 a.m.
Hello,
setting outbound tcpid is facilitating searching first by id, but in
case of failure to find the connection, then it falls back to target
address search.
Cheers,
Daniel
On 09.08.21 16:26, Володимир Іванець wrote:
Hello all!
Does anyone know if function tcp_set_otcpid() can be used in
"event_route[tm:local-request]"? I added this to the configuration:
/$var(conid) = 10;/
/tcp_set_otcpid("$var(conid)");/
... and was expecting that Kamailio will not find a match (there is no
connection id #10 at this point), go
here https://github.com/kamailio/kamailio/blob/master/src/core/tcp_main.c#L1615
<https://github.com/kamailio/kamailio/blob/master/src/core/tcp_main.c#L1615>
and then initiate a new connection
https://github.com/kamailio/kamailio/blob/master/src/core/tcp_main.c#L1993
<https://github.com/kamailio/kamailio/blob/master/src/core/tcp_main.c#L1993>.
But it went
to https://github.com/kamailio/kamailio/blob/master/src/core/tcp_main.c#L1594
<https://github.com/kamailio/kamailio/blob/master/src/core/tcp_main.c#L1594>
and could find a match:
/Aug 9 17:08:31 kamailio-dev-2 /usr/sbin/kamailio[3858]: DEBUG:
<core> [core/tcp_main.c:1610]: _tcpconn_find(): found connection
by peer address (id: 2)/
Thanks a lot!
Regards, Volodymyr Ivanets.
пт, 6 серп. 2021 о 15:53 Володимир Іванець <volodyaivanets(a)gmail.com
<mailto:volodyaivanets@gmail.com>> пише:
Or maybe some special "id" to tell Kamailio to skip the
verification and just create a new connection? Then I could use
the real "id" for further outbound traffic.
Thank you!
Regards, Volodymyr Ivanets.
пт, 6 серп. 2021 о 15:45 Володимир Іванець
<volodyaivanets(a)gmail.com <mailto:volodyaivanets@gmail.com>> пише:
Hello Daniel!
Thank you for the suggestion. Unfortunately adding the
"tcp_connection_match=1" did not made a difference. Kamailio
found other connection to the same peer and used it instead:
/<core> [core/tcp_main.c:1610]: _tcpconn_find(): found
connection by peer address (id: 2)/
/
/
Also, it looks like the answer is in this comment:
https://github.com/kamailio/kamailio/blob/master/src/core/tcp_main.c#L1563
<https://github.com/kamailio/kamailio/blob/master/src/core/tcp_main.c#L1563>.
And below are active tls connections for the previous trunk.
Is there a way to add an additional field like a "tag" that
could be used in peer matching as well? Otherwise, I guess the
only option I have is to run separate instances of Kamailio
with a very basic configuration for each MS Teams connection.
/# kamcmd tls.list
{
id: 2
timeout: 0
src_ip: 52.114.75.24
src_port: 5061
dst_ip: 172.16.30.206
*dst_port: 0*
cipher: ECDHE-RSA-AES256-GCM-SHA384 TLSv1.2
Kx=ECDH Au=RSA Enc=AESGCM(256) Mac=AEAD
ct_wq_size: 0
enc_rd_buf: 0
flags: 2
state: established
}
{
id: 3
timeout: 0
src_ip: 52.114.75.24
src_port: 6272
dst_ip: 172.16.30.206
dst_port: 5063
cipher: AES256-GCM-SHA384 TLSv1.2 Kx=RSA
Au=RSA Enc=AESGCM(256) Mac=AEAD
ct_wq_size: 0
enc_rd_buf: 0
flags: 2
state: established
}
{
id: 4
timeout: 581
src_ip: 52.114.75.24
src_port: 6273
dst_ip: 172.16.30.206
dst_port: 5063
cipher: AES256-GCM-SHA384 TLSv1.2 Kx=RSA
Au=RSA Enc=AESGCM(256) Mac=AEAD
ct_wq_size: 0
enc_rd_buf: 0
flags: 2
state: established/
/} /
/
/
Thank you!
Regards, Volodymyr Ivanets.
ср, 4 серп. 2021 о 13:45 Daniel-Constantin Mierla
<miconda(a)gmail.com <mailto:miconda@gmail.com>> пише:
Hello,
can you set
https://www.kamailio.org/wiki/cookbooks/5.5.x/core#tcp_connection_match
<https://www.kamailio.org/wiki/cookbooks/5.5.x/core#tcp_connection_match>
?
It may work only for connections accepted by Kamailio, but
worth a try.
Cheers,
Daniel
On 03.08.21 14:48, Володимир Іванець wrote:
--
Daniel-Constantin Mierla -- www.asipto.com
www.twitter.com/miconda -- www.linkedin.com/in/miconda
Hello Daniel,
Yes, I have "socket=tls:172.16.30.206:5062
<http://172.16.30.206:5062>" and
"socket=tls:172.16.30.206:5063
<http://172.16.30.206:5063>" attributes for corresponding
records in the Dispatcher configuration table. $fs prints
out correct values in the "event_route[tm:local-request]".
But I thought that TCP/TLS connections are established
from a random port to a destination port on the peer
side. And then the remote peer connects from its random
port to our port 5062/5063.
If understood Kamailio log correctly when it is about to
establish a second connection to the same peer it sees an
active connection for the previous trunk and uses it
instead of creating a new one.
Thank you!
Regards, Volodymyr Ivanets.
пн, 2 серп. 2021 о 22:21 Daniel-Constantin Mierla
<miconda(a)gmail.com <mailto:miconda@gmail.com>> пише:
Hello,
do you force local send socket?
Cheers,
Daniel
On 02.08.21 18:21, Володимир Іванець wrote:
--
Daniel-Constantin Mierla -- www.asipto.com <http://www.asipto.com>
www.twitter.com/miconda <http://www.twitter.com/miconda> --
www.linkedin.com/in/miconda <http://www.linkedin.com/in/miconda>
Hello Daniel!
I updated Kamailio to the latest released version.
The problem is that still with
tls_set_connect_server_id() I can not make a single
instance of Kamailio connect to multiple MS Teams
domains. I use a single IP address with different
ports for different trunks. I can see it
establishing a connection to one trunk and using it
for other domains.
Is there a way to force Kamailio to make a new TLS
connection to the same peer address that it is
already connected to?
Thank you!
Regards, Volodymyr Ivanets.
пн, 2 серп. 2021 о 13:44 Daniel-Constantin Mierla
<miconda(a)gmail.com <mailto:miconda@gmail.com>> пише:
Hello,
upgrading is the recommended way, indeed, if you
want to use tls_set_connect_server_id(). For
older version you may want to try looping back
to kamailio (can be over udp) and the use the
xavps. Adds some overhead and hops, but if you
are stuck to a version and can't really upgrade
soon, might be an option to look at.
Cheers,
Daniel
On 29.07.21 18:48, Володимир Іванець wrote:
--
Daniel-Constantin Mierla -- www.asipto.com <http://www.asipto.com>
www.twitter.com/miconda <http://www.twitter.com/miconda> --
www.linkedin.com/in/miconda <http://www.linkedin.com/in/miconda>
Hello Rob!
Yes, I'm using Letsencrypt while I'm testing.
But I would like to be able to use different
certificates with different sockets.
I found this
discussion https://github.com/kamailio/kamailio/issues/2413
<https://github.com/kamailio/kamailio/issues/2413>.
Looks like I need to use
"tls_set_connect_server_id()" instead of
setting $xavp(tls=>server_name)" and
"$xavp(tls[0]=>server_id)". Unfortunately I'm
currently using Kamailio v5.4 on my test system
and this function is not available. I will
update Kamailio and give it another try. Then I
will update everyone in the hope it will be
useful for someone :)
Thank you!
Regards, Volodymyr Ivanets
чт, 29 лип. 2021 о 19:07 Rob van den Bulk
<rob.van.den.bulk(a)gmail.com
<mailto:rob.van.den.bulk@gmail.com>> пише:
Hello, are u using letsencrypt?
U can use a multi domain.
Muti domain names in one certificate
Outlook voor Android
<https://aka.ms/AAb9ysg> downloaden
------------------------------------------------------------------------
*From:* sr-users
<sr-users-bounces(a)lists.kamailio.org
<mailto:sr-users-bounces@lists.kamailio.org>>
on behalf of Володимир Іванець
<volodyaivanets(a)gmail.com
<mailto:volodyaivanets@gmail.com>>
*Sent:* Thursday, July 29, 2021 4:44:16 PM
*To:* Kamailio (SER) - Users Mailing List
<sr-users(a)lists.kamailio.org
<mailto:sr-users@lists.kamailio.org>>
*Subject:* [SR-Users] Integration with
multiple MS Teams instances
Hello all!
I was able to connect Kamailio with MS
Teams and now trying to add one more Teams
instance. It looks like I have some
misconfiguration or there is a bug.
My test server has 2 domain records
pointing at it (kamailio.domain1.com
<http://kamailio.domain1.com> and
kamailio.domain2.com
<http://kamailio.domain2.com>). My tls.cfg
configuration file looks like this. As you
can see the Default section is configured
with a kamailio.domain1.com
<http://kamailio.domain1.com> sertificate:
/[server:default]/
/method = TLSv1.0+/
/require_certificate = no/
/verify_certificate = no/
/private_key =
/var/kamailio/certificates/kamailio.domain1.com/server/key.pem
<http://kamailio.domain1.com/server/key.pem>/
/certificate =
/var/kamailio/certificates/kamailio.domain1.com/server/cert.pem
<http://kamailio.domain1.com/server/cert.pem>/
/ca_list =
/var/kamailio/certificates/kamailio.domain1.com/CA/cert.pem
<http://kamailio.domain1.com/CA/cert.pem>/
/
/
/[client:default]/
/method = TLSv1.0+/
/require_certificate = no/
/verify_certificate = no/
/private_key =
/var/kamailio/certificates/kamailio.domain1.com/server/key.pem
<http://kamailio.domain1.com/server/key.pem>/
/certificate =
/var/kamailio/certificates/kamailio.domain1.com/server/cert.pem
<http://kamailio.domain1.com/server/cert.pem>/
/ca_list =
/var/kamailio/certificates/kamailio.domain1.com/CA/cert.pem
<http://kamailio.domain1.com/CA/cert.pem>/
/
/
/
/
/[server:172.16.30.206:5062
<http://172.16.30.206:5062>]/
/method = TLSv1.0+/
/require_certificate = no/
/verify_certificate = no/
/private_key =
/var/kamailio/certificates/kamailio.domain1.com/server/key.pem
<http://kamailio.domain1.com/server/key.pem>/
/certificate =
/var/kamailio/certificates/kamailio.domain1.com/server/cert.pem
<http://kamailio.domain1.com/server/cert.pem>/
/ca_list =
/var/kamailio/certificates/kamailio.domain1.com/CA/cert.pem
<http://kamailio.domain1.com/CA/cert.pem>/
/server_name = "kamailio.domain1.com
<http://kamailio.domain1.com>"/
/server_id = "//"kamailio.domain1.com
<http://kamailio.domain1.com>"//
/
/
/
/[client:172.16.30.206:5062
<http://172.16.30.206:5062>]/
/method = TLSv1.0+/
/require_certificate = no/
/verify_certificate = no/
/private_key =
/var/kamailio/certificates/kamailio.domain1.com/server/key.pem
<http://kamailio.domain1.com/server/key.pem>/
/certificate =
/var/kamailio/certificates/kamailio.domain1.com/server/cert.pem
<http://kamailio.domain1.com/server/cert.pem>/
/ca_list =
/var/kamailio/certificates/kamailio.domain1.com/CA/cert.pem
<http://kamailio.domain1.com/CA/cert.pem>/
/
/
/[server:172.16.30.206:5063
<http://172.16.30.206:5063>]/
/method = TLSv1.0+/
/require_certificate = no/
/verify_certificate = no/
/private_key =
/var/kamailio/certificates/kamailio.domain2.com/server/key.pem
<http://kamailio.domain2.com/server/key.pem>/
/certificate =
/var/kamailio/certificates/kamailio.domain2.com/server/cert.pem
<http://kamailio.domain2.com/server/cert.pem>/
/ca_list =
/var/kamailio/certificates/kamailio.domain2.com/CA/cert.pem
<http://kamailio.domain2.com/CA/cert.pem>/
/server_name = "kamailio.domain2.com
<http://kamailio.domain2.com>"/
/server_id = "//"kamailio.domain2.com
<http://kamailio.domain2.com>"/
/
/
/[client:172.16.30.206:5063
<http://172.16.30.206:5063>]/
/method = TLSv1.0+/
/require_certificate = no/
/verify_certificate = no/
/private_key =
/var/kamailio/certificates/kamailio.domain2.com/server/key.pem
<http://kamailio.domain2.com/server/key.pem>/
/certificate =
/var/kamailio/certificates/kamailio.domain2.com/server/cert.pem
<http://kamailio.domain2.com/server/cert.pem>/
/ca_list =
/var/kamailio/certificates/kamailio.domain2.com/CA/cert.pem
<http://kamailio.domain2.com/CA/cert.pem>/
The dispatcher configuration table looks
like this:
+----+-------+----------------------------------------------+-------+----------+--------------------------------------------------------------------+-------------+
| id | setid | destination
| flags | priority
| attrs
|
description |
+----+-------+----------------------------------------------+-------+----------+--------------------------------------------------------------------+-------------+
| 1 | 1 |
sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls
| 0 | 3 |
socket=tls:172.16.30.206:5062;ping_from=sip:kamailio.domain1.com
<http://kamailio.domain1.com> | MS
Teams 1 |
| 2 | 2 |
sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls
| 0 | 3 |
socket=tls:172.16.30.206:5063;ping_from=sip:kamailio.domain2.com
<http://kamailio.domain2.com> | MS
Teams 2 |
+----+-------+----------------------------------------------+-------+----------+--------------------------------------------------------------------+-------------+
When Kamailio is started only connection
with the first trunk is established:
/# kamcmd tls.list/
/{/
/ id: 1/
/ timeout: 0/
/ src_ip: 52.114.75.24/
/ src_port: 5061/
/ dst_ip: 172.16.30.206/
/ dst_port: 0/
/ cipher:
ECDHE-RSA-AES256-GCM-SHA384 TLSv1.2
Kx=ECDH Au=RSA Enc=AESGCM(256)
Mac=AEAD/
/ ct_wq_size: 0/
/ enc_rd_buf: 0/
/ flags: 2/
/ state: established/
/}/
/{/
/ id: 2/
/ timeout: 0/
/ src_ip: 52.114.75.24/
/ src_port: 7810/
/ dst_ip: 172.16.30.206/
/ dst_port: 5062/
/ cipher: AES256-GCM-SHA384
TLSv1.2 Kx=RSA Au=RSA
Enc=AESGCM(256) Mac=AEAD/
/ ct_wq_size: 0/
/ enc_rd_buf: 0/
/ flags: 2/
/ state: established/
/}/
/{/
/ id: 3/
/ timeout: 596/
/ src_ip: 52.114.75.24/
/ src_port: 7811/
/ dst_ip: 172.16.30.206/
/ dst_port: 5062/
/ cipher: AES256-GCM-SHA384
TLSv1.2 Kx=RSA Au=RSA
Enc=AESGCM(256) Mac=AEAD/
/ ct_wq_size: 0/
/ enc_rd_buf: 0/
/ flags: 2/
/ state: established/
/}/
Here is what I can see in Kamailio log file
when it sends an OPTIONS request to the
second trunk. Kamailio uses Default tls
configuration and MS Teams don't accept it:
/Jul 29 16:46:14 kamailio
/usr/sbin/kamailio[11809]: ALERT:
<script>: == TRACE. tm:local-request.
fs is tls:172.16.30.206:5063
<http://172.16.30.206:5063>/
/Jul 29 16:46:14 kamailio
/usr/sbin/kamailio[11809]: DEBUG: tm
[uac.c:352]: t_run_local_req(): apply
new updates without Via to sip msg/
/Jul 29 16:46:14 kamailio
/usr/sbin/kamailio[11809]: DEBUG:
<core> [core/msg_translator.c:1796]:
check_boundaries(): no multi-part body/
/Jul 29 16:46:14 kamailio
/usr/sbin/kamailio[11809]: DEBUG:
<core> [core/parser/msg_parser.c:610]:
parse_msg(): SIP Request:/
/Jul 29 16:46:14 kamailio
/usr/sbin/kamailio[11809]: DEBUG:
<core> [core/parser/msg_parser.c:612]:
parse_msg(): method: <OPTIONS>/
/Jul 29 16:46:14 kamailio
/usr/sbin/kamailio[11809]: DEBUG:
<core> [core/parser/msg_parser.c:614]:
parse_msg(): uri:
<sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls>/
/Jul 29 16:46:14 kamailio
/usr/sbin/kamailio[11809]: DEBUG:
<core> [core/parser/msg_parser.c:616]:
parse_msg(): version: <SIP/2.0>/
/Jul 29 16:46:14 kamailio
/usr/sbin/kamailio[11809]: DEBUG:
<core> [core/parser/parse_via.c:1303]:
parse_via_param(): Found param type
232, <branch> =
<z9hG4bK169b.6411b4c3000000000000000000000000.0>;
state=16/
/Jul 29 16:46:14 kamailio
/usr/sbin/kamailio[11809]: DEBUG:
<core> [core/parser/parse_via.c:2639]:
parse_via(): end of header reached,
state=5/
/Jul 29 16:46:14 kamailio
/usr/sbin/kamailio[11809]: DEBUG:
<core> [core/parser/msg_parser.c:498]:
parse_headers(): Via found, flags=2/
/Jul 29 16:46:14 kamailio
/usr/sbin/kamailio[11809]: DEBUG:
<core> [core/parser/msg_parser.c:500]:
parse_headers(): this is the first via/
/Jul 29 16:46:14 kamailio
/usr/sbin/kamailio[11809]: DEBUG:
<core>
[core/parser/parse_addr_spec.c:864]:
parse_addr_spec(): end of header
reached, state=10/
/Jul 29 16:46:14 kamailio
/usr/sbin/kamailio[11809]: DEBUG:
<core> [core/parser/msg_parser.c:171]:
get_hdr_field(): <To> [47];
uri=[sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls]/
/Jul 29 16:46:14 kamailio
/usr/sbin/kamailio[11809]: DEBUG:
<core> [core/parser/msg_parser.c:174]:
get_hdr_field(): to body
(47)[<sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls>^M/
/], to tag (0)[]/
/Jul 29 16:46:14 kamailio
/usr/sbin/kamailio[11809]: DEBUG:
<core> [core/parser/msg_parser.c:152]:
get_hdr_field(): cseq <CSeq>: <10>
<OPTIONS>/
/Jul 29 16:46:14 kamailio
/usr/sbin/kamailio[11809]: DEBUG:
<core> [core/parser/msg_parser.c:185]:
get_hdr_field(): content_length=0/
/Jul 29 16:46:14 kamailio
/usr/sbin/kamailio[11809]: DEBUG:
<core> [core/parser/msg_parser.c:89]:
get_hdr_field(): found end of header/
/Jul 29 16:46:14 kamailio
/usr/sbin/kamailio[11809]: DEBUG:
<core> [core/parser/msg_parser.c:610]:
parse_msg(): SIP Request:/
/Jul 29 16:46:14 kamailio
/usr/sbin/kamailio[11809]: DEBUG:
<core> [core/parser/msg_parser.c:612]:
parse_msg(): method: <OPTIONS>/
/Jul 29 16:46:14 kamailio
/usr/sbin/kamailio[11809]: DEBUG:
<core> [core/parser/msg_parser.c:614]:
parse_msg(): uri:
<sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls>/
/Jul 29 16:46:14 kamailio
/usr/sbin/kamailio[11809]: DEBUG:
<core> [core/parser/msg_parser.c:616]:
parse_msg(): version: <SIP/2.0>/
/Jul 29 16:46:14 kamailio
/usr/sbin/kamailio[11809]: DEBUG:
<core> [core/parser/parse_via.c:1303]:
parse_via_param(): Found param type
232, <branch> =
<z9hG4bK169b.6411b4c3000000000000000000000000.0>;
state=16/
/Jul 29 16:46:14 kamailio
/usr/sbin/kamailio[11809]: DEBUG:
<core> [core/parser/parse_via.c:2639]:
parse_via(): end of header reached,
state=5/
/Jul 29 16:46:14 kamailio
/usr/sbin/kamailio[11809]: DEBUG:
<core> [core/parser/msg_parser.c:498]:
parse_headers(): Via found, flags=2/
/Jul 29 16:46:14 kamailio
/usr/sbin/kamailio[11809]: DEBUG:
<core> [core/parser/msg_parser.c:500]:
parse_headers(): this is the first via/
/Jul 29 16:46:14 kamailio
/usr/sbin/kamailio[11809]: DEBUG:
<core>
[core/parser/parse_addr_spec.c:864]:
parse_addr_spec(): end of header
reached, state=10/
/Jul 29 16:46:14 kamailio
/usr/sbin/kamailio[11809]: DEBUG:
<core> [core/parser/msg_parser.c:171]:
get_hdr_field(): <To> [47];
uri=[sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls]/
/Jul 29 16:46:14 kamailio
/usr/sbin/kamailio[11809]: DEBUG:
<core> [core/parser/msg_parser.c:174]:
get_hdr_field(): to body
(47)[<sip:sip.pstnhub.microsoft.com
<http://sip.pstnhub.microsoft.com>;transport=tls>^M/
/], to tag (0)[]/
/Jul 29 16:46:14 kamailio
/usr/sbin/kamailio[11809]: DEBUG:
<core> [core/parser/msg_parser.c:152]:
get_hdr_field(): cseq <CSeq>: <10>
<OPTIONS>/
/Jul 29 16:46:14 kamailio
/usr/sbin/kamailio[11809]: DEBUG: tm
[uac.c:189]:
uac_refresh_hdr_shortcuts(): cseq:
[CSeq: 10]/
/Jul 29 16:46:14 kamailio
/usr/sbin/kamailio[11809]: DEBUG:
<core> [core/tcp_main.c:1993]:
tcp_send(): no open tcp connection
found, opening new one/
/Jul 29 16:46:14 kamailio
/usr/sbin/kamailio[11809]: DEBUG:
<core> [core/ip_addr.c:229]:
print_ip(): tcpconn_new: new tcp
connection: 52.114.75.24/
/Jul 29 16:46:14 kamailio
/usr/sbin/kamailio[11809]: DEBUG:
<core> [core/tcp_main.c:1175]:
tcpconn_new(): on port 5061, type 3,
socket -1/
/Jul 29 16:46:14 kamailio
/usr/sbin/kamailio[11809]: DEBUG:
<core> [core/tcp_main.c:1498]:
tcpconn_add(): hashes: 2831:67:0, 1/
/Jul 29 16:46:14 kamailio
/usr/sbin/kamailio[11809]: DEBUG: tls
[tls_server.c:199]:
tls_complete_init(): completing tls
connection initialization/
/Jul 29 16:46:14 kamailio
/usr/sbin/kamailio[11809]: DEBUG: tls
[tls_server.c:162]:
tls_get_connect_server_name(): *xavp
with outbound server name not found*/
/Jul 29 16:46:14 kamailio
/usr/sbin/kamailio[11809]: DEBUG: tls
[tls_server.c:142]:
tls_get_connect_server_id(): *xavp with
outbound server id not found*/
/Jul 29 16:46:14 kamailio
/usr/sbin/kamailio[11809]: DEBUG: tls
[tls_server.c:228]:
tls_complete_init(): *Using initial TLS
domain TLSc<default>* (dom
0x7f35509da688 ctx 0x7f3550b7a568 sn [])/
/Jul 29 16:46:14 kamailio
/usr/sbin/kamailio[11809]: DEBUG: tls
[tls_domain.c:1177]:
tls_lookup_private_key(): Private key
lookup for SSL_CTX-0x7f3550b7a568: (nil)/
/Jul 29 16:46:14 kamailio
/usr/sbin/kamailio[11809]: DEBUG: tls
[tls_domain.c:747]:
sr_ssl_ctx_info_callback(): SSL
handshake started/
/.../
If I change the Default configuration to
use kamailio.domain2.com
<http://kamailio.domain2.com> certificate,
the second trunk will connect but the first
one will fail.
I tried to set "$xavp(tls=>server_name)"
and "$xavp(tls[0]=>server_id)" variables to
the event_route[tm:local-request] section
but log still stated that server Name and
ID were not found.
Can someone please point me in the right
direction, how can I make Kamailio use the
correct certificates when establishing
multiple TLS connections?
Thanks a lot!
Regards, Volodymyr Ivanets
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--
Daniel-Constantin Mierla -- www.asipto.com
<http://www.asipto.com>
www.twitter.com/miconda <http://www.twitter.com/miconda> --
www.linkedin.com/in/miconda <http://www.linkedin.com/in/miconda>
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1001
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12 comments
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participants (3)
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Daniel-Constantin Mierla -
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Володимир Іванець