Hi Henningw,,
I further went thru the logs of kamailio, and i see the below happening.

tls [tls_server.c:169]: tls_get_connect_server_name[]: xavp with outbound server name not found
tls [tls_server.c:152]: tls_get_connect_server_id[]: found xavp with outbound server id: btip.176.com

Its strange its able to find the client profile based on server_id , but not able to find using the server_name

In tls_complete_init( )

if (c->flags & F_CONN_PASSIVE) {
state=S_TLS_ACCEPTING;
dom = tls_lookup_cfg(cfg, TLS_DOMAIN_SRV,
&c->rcv.dst_ip, c->rcv.dst_port, 0, 0);
} else {
state=S_TLS_CONNECTING;
sname = tls_get_connect_server_name();
srvid = tls_get_connect_server_id();
dom = tls_lookup_cfg(cfg, TLS_DOMAIN_CLI,
&c->rcv.dst_ip, c->rcv.dst_port, sname, srvid);
}

Am acting as client, so it will hit the else part

the call to sname = tls_get_connect_server_name(); //failed with below logs
tls [tls_server.c:169]: tls_get_connect_server_name[]: xavp with outbound server name not found

the call to srvid = tls_get_connect_server_id(); // success with below logs
tls [tls_server.c:152]: tls_get_connect_server_id[]: found xavp with outbound server id: btip.176.com

And futher down in the function : as sname is NULL, it is not setting the server name extension in client hello message.

#ifndef OPENSSL_NO_TLSEXT
if (sname!=NULL) {
if(!SSL_set_tlsext_host_name(data->ssl, sname->s)) {
if (data->ssl)
SSL_free(data->ssl);
if (data->rwbio)
BIO_free(data->rwbio);
goto error;
}
LM_DBG("outbound TLS server name set to: %s\n", sname->s);
}
#endif

Am i missing anything here w.r.t configuration ? or is it a bug ? which has been fixed in later versions ? Please help !!

Regards,
Mahesh.B

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