[SR-Users] Problems establishing SIP signaling between MsTeams and Kamailio

[Willy Valles Rios]

Hello community,


I am having trouble establishing SIP signaling between MsTeams and
Kamailio. I currently have this configuration in my tls.cfg file


[server: default]

method = TLSv1.2 +

verify_certificate = yes

require_certificate = yes

private_key = /etc/kamailio/certificates/private-key.pem

certificate = /etc/kamailio/certificates/certificate.pem


[client: default]

method = TLSv1.2 +

verify_certificate = yes

require_certificate = yes

private_key = /etc/kamailio/certificates/private-key.pem

certificate = /etc/kamailio/certificates/certificate.pem


My domain was certified with ssl through an authoritative certifier
(GoDaddy), however I see these errors in the / var / log / messages of the
Kamailio server.


Jan 6 15:13:45 Kamailio-Server /usr/sbin/kamailio[32409]: INFO: tls
[tls_mod.c:389]: mod_init(): With ECDH-Support!

Jan 6 15:13:45 Kamailio-Server /usr/sbin/kamailio[32409]: INFO: tls
[tls_mod.c:392]: mod_init(): With Diffie Hellman

Jan 6 15:13:45 Kamailio-Server /usr/sbin/kamailio[32409]: INFO: tls
[tls_init.c:722]: tls_h_mod_init_f(): compiled with openssl version
"OpenSSL 1.0.2k-fips 26 Jan 2017" (0x100020bf), kerberos support: on,
compression: on

Jan 6 15:13:45 Kamailio-Server /usr/sbin/kamailio[32409]: INFO: tls
[tls_init.c:730]: tls_h_mod_init_f(): installed openssl library version
"OpenSSL 1.0.2k-fips 26 Jan 2017" (0x100020bf), kerberos support: on, zlib
compression: on#012 compiler: gcc -I. -I.. -I../include -fPIC -DOPENSSL_PIC
-DZLIB -DOPENSSL_THREADS -D_REENTRANT -DDSO_DLFCN -DHAVE_DLFCN_H -DKRB5_MIT
-m64 -DL_ENDIAN -Wall -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2
-fexceptions -fstack-protector-strong --param=ssp-buffer-size=4
-grecord-gcc-switches -m64 -mtune=generic -Wa,--noexecstack -DPURIFY
-DOPENSSL_IA32_SSE2 -DOPENSSL_BN_ASM_MONT -DOPENSSL_BN_ASM_MONT5
-DOPENSSL_BN_ASM_GF2m -DRC4_ASM -DSHA1_ASM -DSHA256_ASM -DSHA512_ASM
-DMD5_ASM -DAES_ASM -DVPAES_ASM -DBSAES_ASM -DWHIRLPOOL_ASM -DGHASH_ASM
-DECP_NISTZ256_ASM

Jan 6 15:13:45 Kamailio-Server /usr/sbin/kamailio[32409]: WARNING: tls
[tls_init.c:787]: tls_h_mod_init_f(): openssl bug #1491 (crash/mem leaks on
low memory) workaround enabled (on low memory tls operations will fail
preemptively) with free memory thresholds 13107200 and 6553600 bytes

Jan 6 15:13:45 Kamailio-Server /usr/sbin/kamailio[32409]: INFO:
[core/cfg/cfg_ctx.c:598]: cfg_set_now(): tls.low_mem_threshold1 has been
changed to 13107200

Jan 6 15:13:45 Kamailio-Server /usr/sbin/kamailio[32409]: INFO:
[core/cfg/cfg_ctx.c:598]: cfg_set_now(): tls.low_mem_threshold2 has been
changed to 6553600

Jan 6 15:13:45 Kamailio-Server /usr/sbin/kamailio[32409]: INFO:
[main.c:2834]: main(): processes (at least): 25 - shm size: 67108864 - pkg
size: 4194304

Jan 6 15:13:45 Kamailio-Server /usr/sbin/kamailio[32409]: INFO:
[core/udp_server.c:154]: probe_max_receive_buffer(): SO_RCVBUF is initially
212992

Jan 6 15:13:45 Kamailio-Server /usr/sbin/kamailio[32409]: INFO:
[core/udp_server.c:206]: probe_max_receive_buffer(): SO_RCVBUF is finally
425984

Jan 6 15:13:45 Kamailio-Server /usr/sbin/kamailio[32409]: INFO: tls
[tls_domain.c:305]: ksr_tls_fill_missing(): TLSs: tls_method=22

Jan 6 15:13:45 Kamailio-Server /usr/sbin/kamailio[32409]: INFO: tls
[tls_domain.c:317]: ksr_tls_fill_missing(): TLSs:
certificate='/etc/kamailio/certificados/certificate.pem'

Jan 6 15:13:45 Kamailio-Server /usr/sbin/kamailio[32409]: INFO: tls
[tls_domain.c:324]: ksr_tls_fill_missing(): TLSs: ca_list='(null)'

Jan 6 15:13:45 Kamailio-Server /usr/sbin/kamailio[32409]: INFO: tls
[tls_domain.c:331]: ksr_tls_fill_missing(): TLSs: crl='(null)'

Jan 6 15:13:45 Kamailio-Server /usr/sbin/kamailio[32409]: INFO: tls
[tls_domain.c:335]: ksr_tls_fill_missing(): TLSs: require_certificate=1

Jan 6 15:13:45 Kamailio-Server /usr/sbin/kamailio[32409]: INFO: tls
[tls_domain.c:342]: ksr_tls_fill_missing(): TLSs: cipher_list='(null)'

Jan 6 15:13:45 Kamailio-Server /usr/sbin/kamailio[32409]: INFO: tls
[tls_domain.c:349]: ksr_tls_fill_missing(): TLSs:
private_key='/etc/kamailio/certificados/private-key.pem'

Jan 6 15:13:45 Kamailio-Server /usr/sbin/kamailio[32409]: INFO: tls
[tls_domain.c:353]: ksr_tls_fill_missing(): TLSs: verify_certificate=1

Jan 6 15:13:45 Kamailio-Server /usr/sbin/kamailio[32409]: INFO: tls
[tls_domain.c:356]: ksr_tls_fill_missing(): TLSs: verify_depth=9

Jan 6 15:13:45 Kamailio-Server /usr/sbin/kamailio[32409]: INFO: tls
[tls_domain.c:359]: ksr_tls_fill_missing(): TLSs: verify_client=0

Jan 6 15:13:45 Kamailio-Server /usr/sbin/kamailio[32409]: NOTICE: tls
[tls_domain.c:1107]: ksr_tls_fix_domain(): registered server_name callback
handler for socket [:0], server_name='' ...

Jan 6 15:13:45 Kamailio-Server /usr/sbin/kamailio[32409]: INFO: tls
[tls_domain.c:697]: set_verification(): TLSs: Client MUST present valid
certificate

Jan 6 15:13:45 Kamailio-Server /usr/sbin/kamailio[32409]: INFO: tls
[tls_domain.c:305]: ksr_tls_fill_missing(): TLSc: tls_method=22

Jan 6 15:13:45 Kamailio-Server /usr/sbin/kamailio[32409]: INFO: tls
[tls_domain.c:317]: ksr_tls_fill_missing(): TLSc:
certificate='/etc/kamailio/certificados/certificate.pem'

Jan 6 15:13:45 Kamailio-Server /usr/sbin/kamailio[32409]: INFO: tls
[tls_domain.c:324]: ksr_tls_fill_missing(): TLSc: ca_list='(null)'

Jan 6 15:13:45 Kamailio-Server /usr/sbin/kamailio[32409]: INFO: tls
[tls_domain.c:331]: ksr_tls_fill_missing(): TLSc: crl='(null)'

Jan 6 15:13:45 Kamailio-Server /usr/sbin/kamailio[32409]: INFO: tls
[tls_domain.c:335]: ksr_tls_fill_missing(): TLSc: require_certificate=1

Jan 6 15:13:45 Kamailio-Server /usr/sbin/kamailio[32409]: INFO: tls
[tls_domain.c:342]: ksr_tls_fill_missing(): TLSc: cipher_list='(null)'

Jan 6 15:13:45 Kamailio-Server /usr/sbin/kamailio[32409]: INFO: tls
[tls_domain.c:349]: ksr_tls_fill_missing(): TLSc:
private_key='/etc/kamailio/certificados/private-key.pem'

Jan 6 15:13:45 Kamailio-Server /usr/sbin/kamailio[32409]: INFO: tls
[tls_domain.c:353]: ksr_tls_fill_missing(): TLSc: verify_certificate=1

Jan 6 15:13:45 Kamailio-Server /usr/sbin/kamailio[32409]: INFO: tls
[tls_domain.c:356]: ksr_tls_fill_missing(): TLSc: verify_depth=9

Jan 6 15:13:45 Kamailio-Server /usr/sbin/kamailio[32409]: INFO: tls
[tls_domain.c:359]: ksr_tls_fill_missing(): TLSc: verify_client=0

Jan 6 15:13:45 Kamailio-Server /usr/sbin/kamailio[32409]: INFO: tls
[tls_domain.c:697]: set_verification(): TLSc: Server MUST present valid
certificate

Jan 6 15:13:45 Kamailio-Server /usr/sbin/kamailio[32422]: INFO: jsonrpcs
[jsonrpcs_sock.c:443]: jsonrpc_dgram_process(): a new child 0/32422

Jan 6 15:13:45 Kamailio-Server /usr/sbin/kamailio[32424]: INFO: ctl
[io_listener.c:214]: io_listen_loop(): io_listen_loop: using epoll_lt io
watch method (config)

Jan 6 15:13:55 Kamailio-Server /usr/sbin/kamailio[32425]: ERROR: tls
[tls_server.c:1283]: tls_h_read_f(): protocol level error

Jan 6 15:13:55 Kamailio-Server /usr/sbin/kamailio[32425]: ERROR: tls
[tls_util.h:42]: tls_err_ret(): TLS write:error:14090086:SSL
routines:ssl3_get_server_certificate:certificate verify failed

Jan 6 15:13:55 Kamailio-Server /usr/sbin/kamailio[32425]: ERROR: tls
[tls_server.c:1287]: tls_h_read_f(): source IP: 52.114.75.24

Jan 6 15:13:55 Kamailio-Server /usr/sbin/kamailio[32425]: ERROR: tls
[tls_server.c:1290]: tls_h_read_f(): destination IP: 161.35.44.66

Jan 6 15:13:55 Kamailio-Server /usr/sbin/kamailio[32425]: ERROR:
[core/tcp_read.c:1493]: tcp_read_req(): ERROR: tcp_read_req: error reading
- c: 0x7f45242be028 r: 0x7f45242be150 (-1)

Jan 6 15:13:55 Kamailio-Server /usr/sbin/kamailio[32426]: ERROR: tls
[tls_server.c:1283]: tls_h_read_f(): protocol level error

Jan 6 15:13:55 Kamailio-Server /usr/sbin/kamailio[32426]: ERROR: tls
[tls_util.h:42]: tls_err_ret(): TLS write:error:14090086:SSL
routines:ssl3_get_server_certificate:certificate verify failed

Jan 6 15:13:55 Kamailio-Server /usr/sbin/kamailio[32426]: ERROR: tls
[tls_server.c:1287]: tls_h_read_f(): source IP: 52.114.132.46

Jan 6 15:13:55 Kamailio-Server /usr/sbin/kamailio[32426]: ERROR: tls
[tls_server.c:1290]: tls_h_read_f(): destination IP: 161.35.44.66

Jan 6 15:13:55 Kamailio-Server /usr/sbin/kamailio[32426]: ERROR:
[core/tcp_read.c:1493]: tcp_read_req(): ERROR: tcp_read_req: error reading
- c: 0x7f45242d9278 r: 0x7f45242d93a0 (-1)

Jan 6 15:13:55 Kamailio-Server /usr/sbin/kamailio[32427]: ERROR: tls
[tls_server.c:1283]: tls_h_read_f(): protocol level error

Jan 6 15:13:55 Kamailio-Server /usr/sbin/kamailio[32427]: ERROR: tls
[tls_util.h:42]: tls_err_ret(): TLS write:error:14090086:SSL
routines:ssl3_get_server_certificate:certificate verify failed

Jan 6 15:13:55 Kamailio-Server /usr/sbin/kamailio[32427]: ERROR: tls
[tls_server.c:1287]: tls_h_read_f(): source IP: 52.114.14.70

Jan 6 15:13:55 Kamailio-Server /usr/sbin/kamailio[32427]: ERROR: tls
[tls_server.c:1290]: tls_h_read_f(): destination IP: 161.35.44.66

Jan 6 15:13:55 Kamailio-Server /usr/sbin/kamailio[32427]: ERROR:
[core/tcp_read.c:1493]: tcp_read_req(): ERROR: tcp_read_req: error reading
- c: 0x7f45242be028 r: 0x7f45242be150 (-1)


Could you help me identify the problem please.


Cheers

Saludos Cordiales
-- 
*Willy Valles Rios*
*Unified Communications Specialist*

phone: +51955747343
em at il: willyvalles17 at gmail.com
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