12 Dec
2017
12 Dec
'17
9:27 a.m.
OK -- good it was sorted out.
Cheers,
Daniel
On 12.12.17 02:22, George Diamantopoulos wrote:
Hello again,
Indeed this issue does not manifest at all. I'm awfully sorry for the
false alarm, and on release day no less!
The problem was there was a lingering DNAT rule in iptables, which
would translate port 5066 to port 5060. The deployment script injected
this as it was carried over from our legacy platform.
Of course, I kept banging my head against the wall here because sngrep
wouldn't show the DNAT's effect as it captures traffic from the NIC
directly: it would show a REGISTER arriving on 5066, but the dport was
masqueraded before being handed over to kamailio. Similarly for the
outgoing INVITE.
NAT is wrong in so many ways... :-)
BR,
George
On 11 December 2017 at 18:17, Daniel-Constantin Mierla
<miconda(a)gmail.com <mailto:miconda@gmail.com>> wrote:
Hello,
I did a quick test and all looks fine, ports are set in via and
record-route, in my config I have:
record_route();
$fs="udp:127.0.0.1:5080 <http://127.0.0.1:5080>";
$du = "sip:127.0.0.1:9";
t_relay();
exit;
Then sending an OPTIONS resulted in the trace shown below.
Cheers,
Daniel
U 2017/12/11 17:14:47.108430 127.0.0.1:56729
<http://127.0.0.1:56729> -> 127.0.0.1:5060 <http://127.0.0.1:5060>
OPTIONS sip:test@127.0.0.1 SIP/2.0.
Via: SIP/2.0/UDP
192.168.178.84:62516;branch=z9hG4bK.3aaddf68;rport;alias.
From: sip:sipsak@192.168.178.84:62516;tag=16d1c24.
To: sip:test@127.0.0.1.
Call-ID: 23927844(a)192.168.178.84 <mailto:23927844@192.168.178.84>.
CSeq: 1 OPTIONS.
Contact: sip:sipsak@192.168.178.84:62516.
Content-Length: 0.
Max-Forwards: 70.
User-Agent: sipsak 0.9.7pre.
Accept: text/plain.
.
U 2017/12/11 17:14:51.010251 127.0.0.1:5080
<http://127.0.0.1:5080> -> 127.0.0.1:9 <http://127.0.0.1:9>
OPTIONS sip:test@127.0.0.1 SIP/2.0.
Record-Route: <sip:127.0.0.1:5080;r2=on;lr>.
Record-Route: <sip:127.0.0.1;r2=on;lr>.
Via: SIP/2.0/UDP
127.0.0.1:5080;branch=z9hG4bK61bd.b2882fea15c488761489f8ef588efbe1.0.
Via: SIP/2.0/UDP
192.168.178.84:62516;received=127.0.0.1;branch=z9hG4bK.3aaddf68;rport=56729;alias.
From: sip:sipsak@192.168.178.84:62516;tag=16d1c24.
To: sip:test@127.0.0.1.
Call-ID: 23927844(a)192.168.178.84 <mailto:23927844@192.168.178.84>.
CSeq: 1 OPTIONS.
Contact: sip:sipsak@192.168.178.84:62516.
Content-Length: 0.
Max-Forwards: 69.
User-Agent: sipsak 0.9.7pre.
Accept: text/plain.
.
On 11.12.17 16:37, George Diamantopoulos wrote:
--
Daniel-Constantin Mierla
www.twitter.com/miconda -- www.linkedin.com/in/miconda
Kamailio Advanced Training - www.asipto.com
Kamailio World Conference - May 14-16, 2018 - www.kamailioworld.com
Hello all,
I have the following issue in my configuration, tested with
5.2.0-rc1 so far:
At some point, I set the $fs pseudovariable to force a request to
be relayed through a specific socket. Although this is honoured
by kamailio (i.e. the request does indeed leave the kamailio host
from the respective socket), the port number is not added to the
Via and RR headers. As a result, all replies to the request, as
well as all subsequent requests from the other SIP UA are relayed
to the default port, 5060. Here's an example:
SIP UAC to kamailio:
INVITE 192.168.1.1:5060 <http://192.168.1.1:5060> --->
192.168.1.254:5060 <http://192.168.1.254:5060>
Kamailio to UAS ($fs is set):
INVITE 2.2.2.2:5066 <http://2.2.2.2:5066> ---> 3.3.3.3:5060
<http://3.3.3.3:5060>
Topmost Via in request relayed by kamailio is:
SIP/2.0/UDP 2.2.2.2;branch=aaaaaaaaaaaaaa <- port 5066 is not
added
Topmost RR in request relayed by kamailio is:
<sip:2.2.2.2;r2=on;lr;did=bbbbbbb;nat=yes> <- port 5066 is not
added
RESULT: Reply from UAS is sent to 2.2.2.2:5060 <http://2.2.2.2:5060>
Is this behaviour valid? Am I missing anything? Kamailio is
configured to listen on both sockets on IP 2.2.2.2, namely: a)
udp:2.2.2.2:5060 <http://2.2.2.2:5060> and b) 2.2.2.2:5066
<http://2.2.2.2:5066>. Thanks.
BR,
George
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--
Daniel-Constantin Mierla
www.twitter.com/miconda <http://www.twitter.com/miconda> --
www.linkedin.com/in/miconda <http://www.linkedin.com/in/miconda>
Kamailio Advanced Training - www.asipto.com <http://www.asipto.com>
Kamailio World Conference - May 14-16, 2018 - www.kamailioworld.com
<http://www.kamailioworld.com>
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