Re: [OpenSIPS-Users] Tls using t_relay

Thu, 23 Apr 2020 01:42:25 -0700 

Hi Tito,
Note that the tcp_connect_timeout is in milliseconds, so maybe 3 ms is too short for getting back the SYN ACK. 


The logs are keep reporting the failed connect. You say the connect is 
ok, the INVITE is sent forward to callee and there is also an 180 
response? ....and then you get the 500 reply ?


Regards,

Bogdan-Andrei Iancu

OpenSIPS Founder and Developer
  https://www.opensips-solutions.com

On 4/22/20 2:22 AM, Tito Cumpen wrote:

Bogdan,


I found out that there was a timer flag for tcp connections that may 
have been causing an issue

tcp_connect_timeout=3

Once I removed this line the tls connection was made fine but now I am 
seeing opensips send an error message to the client


SIP/2.0 500 Server error occurred (1/SL)
client---opensips---SIP AS
even though the SIP AS sent a 180 response


Here are the errors from the log


Apr 21 23:12:46 sip1 /sbin/opensips[11376]: 
ERROR:core:tcp_connect_blocking_timeout: poll error: flags 28 - 4 8 16 32
Apr 21 23:12:46 sip1 /sbin/opensips[11376]: 
ERROR:core:tcp_connect_blocking_timeout: failed to retrieve SO_ERROR 
[server=127.0.0.1:443 <http://127.0.0.1:443>] (111) Connection refused
Apr 21 23:12:46 sip1 /sbin/opensips[11376]: 
ERROR:proto_tls:tls_sync_connect: tcp_blocking_connect failed
Apr 21 23:12:46 sip1 /sbin/opensips[11376]: 
ERROR:proto_tls:proto_tls_send: connect failed
Apr 21 23:12:46 sip1 /sbin/opensips[11376]: ERROR:tm:msg_send: send() 
to 127.0.0.1:443 <http://127.0.0.1:443> for proto tls/3 failed
Apr 21 23:12:46 sip1 /sbin/opensips[11376]: ERROR:tm:t_forward_nonack: 
sending request failed
Apr 21 23:12:46 sip1 /sbin/opensips[11376]: 
ERROR:core:tcp_connect_blocking_timeout: poll error: flags 28 - 4 8 16 32
Apr 21 23:12:46 sip1 /sbin/opensips[11376]: 
ERROR:core:tcp_connect_blocking_timeout: failed to retrieve SO_ERROR 
[server=127.0.0.1:443 <http://127.0.0.1:443>] (111) Connection refused
Apr 21 23:12:46 sip1 /sbin/opensips[11376]: 
ERROR:proto_tls:tls_sync_connect: tcp_blocking_connect failed
Apr 21 23:12:46 sip1 /sbin/opensips[11376]: 
ERROR:proto_tls:proto_tls_send: connect failed
Apr 21 23:12:46 sip1 /sbin/opensips[11376]: ERROR:tm:msg_send: send() 
to 127.0.0.1:443 <http://127.0.0.1:443> for proto tls/3 failed
Apr 21 23:12:46 sip1 /sbin/opensips[11376]: ERROR:tm:t_forward_nonack: 
sending request failed
Apr 21 23:12:46 sip1 /sbin/opensips[11376]: 
ERROR:core:tcpconn_async_connect: poll error: flags 1c
Apr 21 23:12:46 sip1 /sbin/opensips[11376]: 
ERROR:core:tcpconn_async_connect: failed to retrieve SO_ERROR 
[server=127.0.0.1:5060 <http://127.0.0.1:5060>] (111) Connection refused
Apr 21 23:12:46 sip1 /sbin/opensips[11376]: ERROR:core:proto_tcp_send: 
async TCP connect failed
Apr 21 23:12:46 sip1 /sbin/opensips[11376]: ERROR:tm:msg_send: send() 
to 127.0.0.1:5060 <http://127.0.0.1:5060> for proto tcp/2 failed
Apr 21 23:12:46 sip1 /sbin/opensips[11376]: ERROR:tm:t_forward_nonack: 
sending request failed
Apr 21 23:12:46 sip1 /sbin/opensips[11376]: 
ERROR:core:tcpconn_async_connect: poll error: flags 1c
Apr 21 23:12:46 sip1 /sbin/opensips[11376]: 
ERROR:core:tcpconn_async_connect: failed to retrieve SO_ERROR 
[server=127.0.0.1:5060 <http://127.0.0.1:5060>] (111) Connection refused
Apr 21 23:12:46 sip1 /sbin/opensips[11376]: ERROR:core:proto_tcp_send: 
async TCP connect failed
Apr 21 23:12:46 sip1 /sbin/opensips[11376]: ERROR:tm:msg_send: send() 
to 127.0.0.1:5060 <http://127.0.0.1:5060> for proto tcp/2 failed
Apr 21 23:12:46 sip1 /sbin/opensips[11376]: ERROR:tm:t_forward_nonack: 
sending request failed
Apr 21 23:12:46 sip1 /sbin/opensips[11376]: 
ERROR:core:tcpconn_async_connect: poll error: flags 1c
Apr 21 23:12:46 sip1 /sbin/opensips[11376]: 
ERROR:core:tcpconn_async_connect: failed to retrieve SO_ERROR 
[server=127.0.0.1:5223 <http://127.0.0.1:5223>] (111) Connection refused
Apr 21 23:12:46 sip1 /sbin/opensips[11376]: ERROR:core:proto_tcp_send: 
async TCP connect failed
Apr 21 23:12:46 sip1 /sbin/opensips[11376]: ERROR:tm:msg_send: send() 
to 127.0.0.1:5223 <http://127.0.0.1:5223> for proto tcp/2 failed
Apr 21 23:12:46 sip1 /sbin/opensips[11376]: ERROR:tm:t_forward_nonack: 
sending request failed
Apr 21 23:12:46 sip1 /sbin/opensips[11376]: 
ERROR:core:tcpconn_async_connect: poll error: flags 1c
Apr 21 23:12:46 sip1 /sbin/opensips[11376]: 
ERROR:core:tcpconn_async_connect: failed to retrieve SO_ERROR 
[server=127.0.0.1:5223 <http://127.0.0.1:5223>] (111) Connection refused
Apr 21 23:12:46 sip1 /sbin/opensips[11376]: ERROR:core:proto_tcp_send: 
async TCP connect failed
Apr 21 23:12:46 sip1 /sbin/opensips[11376]: ERROR:tm:msg_send: send() 
to 127.0.0.1:5223 <http://127.0.0.1:5223> for proto tcp/2 failed



On Tue, Apr 21, 2020 at 11:26 AM Tito Cumpen <t...@xsvoce.com 
<mailto:t...@xsvoce.com>> wrote:


    Hey Bogdan,

    Here is the capture I took from using t_relay("tls:domain:port")

    As you can see the client side (opensips) does not proceed with
    allowing the socket to open.

    Thanks,
    Tito

    On Tue, Apr 21, 2020 at 2:18 AM Bogdan-Andrei Iancu
    <bog...@opensips.org <mailto:bog...@opensips.org>> wrote:

        Hi Tito,

        Well, from OpenSIPS perceptive it is a "Connection refused",
        so the destination is rejecting the connect.

        Regards,

        Bogdan-Andrei Iancu

        OpenSIPS Founder and Developer
           https://www.opensips-solutions.com





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