[Freeswitch-users] Freeswitch does not respond to TLS client_hello intermittently

Brian West brian at freeswitch.com
Fri Dec 9 18:55:57 UTC 2022


Please file a github, search to make sure its not already filed please.
/b

On Fri, Dec 9, 2022 at 10:32 AM Adiseshu Channasamudhram <csadi at hotmail.com>
wrote:

> Hello FS Experts
>
> I had posted this Q earlier... posting it again with more details ...
>
> I have a FS to which two separate external SBCs connect and uses TLS
>
> Intermittently the FS does not respond to TLS client_hello - because of
> this, we see that sometimes one of the external SBC is not connected at
> all..
>
> I was able to reproduce this with debug logging enabled and below is the
> snippet of the same
>
> ======================================================================================================================================
>
> nta.c:1289 agent_timer() nta: timer not set
> tport.c:2753 tport_wakeup_pri() tport_wakeup_pri(0x7f96d01fa670): events IN
> tport.c:862 tport_alloc_secondary() tport_alloc_secondary(0x7f96d01fa670):
> new secondary tport 0x7f96d001a9d0
> tport_type_tcp.c:203 tport_tcp_init_secondary()
> tport_tcp_init_secondary(0x7f96d001a9d0): Setting TCP_KEEPIDLE to 30
> tport_type_tcp.c:209 tport_tcp_init_secondary()
> tport_tcp_init_secondary(0x7f96d001a9d0): Setting TCP_KEEPINTVL to 30
> tport.c:2644 tport_accept() tport_accept(0x7f96d001a9d0): new connection
> from tcp/65.14.17.172:13980/sip
> tport.c:2777 tport_wakeup() tport_wakeup(0x7f96d001a9d0): events IN
> tport.c:2868 tport_recv_event() tport_recv_event(0x7f96d001a9d0)
> tport.c:3209 tport_recv_iovec() tport_recv_iovec(0x7f96d001a9d0) msg
> 0x7f96d0027b90 from (tcp/65.14.17.172:13980) has 183 bytes, veclen = 1
> tport.c:2298 tport_set_secondary_timer() tport(0x7f96d001a9d0): reset timer
> tport.c:2777 tport_wakeup() tport_wakeup(0x7f96d0027f50): events IN
> tport.c:2868 tport_recv_event() tport_recv_event(0x7f96d0027f50)
>
> ========================================================================================================================================
>
> In the above snippet, you can see that the clietn_hello is received ...
> [highlighted]
>
> Please let me know if any of you have encountered such an issue and what
> the fix is
>
> Regards
>
> A
>
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