Hello,

do you have selinux enabled or some firewall active on the system?

Cheers,
Daniel


On 20/10/16 13:25, gmele wrote:
> Hello,
>
> we have deployed a Kamailio acting as SIP proxy on a RHEL 7.2 machine.
> Clients (mainly mobile phones) connects to the proxy using a TLS protected
> TCP connection. 
>
> In the kamailio config, we've set :
>
> #!ifdef WITH_TLS
> enable_tls=yes
> tcp_async=yes
> tcp_connection_lifetime=3605
> tcp_accept_no_cl=yes
> tcp_crlf_ping = yes
> #!endif
>
> Our problem is that, even if we set the tcp_connection_lifetime to > 1 hour,
> the tcp connection is closed after 10 minutes: on tcp dumps, we see clearly
> the TCP FIN sent by machine hosting the kamailio proxy... Setting parameters
> tcp_keepidle/keepintlv/keepcnt in the kamailio config didn't change the
> behavior. We also set TCP keepalived at system level, but without result...
> This TCP closure is causing us lot of problems when calls between 2 UAs last
> more than 10 minutes because the REINVITE or BYE messages are lost. Also,
> closing the TCP connection will wake up the mobile app and make it resend a
> REGISTER, thing we absolutely want to avoid.
>
> Is there a parameter we can use to avoid this closure? I had a look in
> previous posts, found people with the same problem as mine, but no real
> solution...
>
> Thx for your help.
>
> Giovanni
>
>
>
> --
> View this message in context: 
> http://sip-router.1086192.n5.nabble.com/TCP-FIN-after-10-minutes-tp152646.html
> Sent from the Users mailing list archive at Nabble.com.
>
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-- 
Daniel-Constantin Mierla
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
Kamailio Advanced Training, Berlin, Oct 24-26, 2016 - http://www.asipto.com


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