[Kamailio-Users] Keep-alive implementation

Iñaki Baz Castillo ibc at aliax.net
Tue Jun 9 23:20:03 CEST 2009


El Martes, 9 de Junio de 2009, Alex Balashov escribió:
> Iñaki Baz Castillo wrote:
> > El Martes, 9 de Junio de 2009, Saúl Ibarra escribió:
> >> Nevertheless, I would keep it active, and set ping_nated_only to 1, so
> >> you just ping clients which are known to be behind NAT.
> >
> > The only problem with it is when a fuc**ng SIP ALG enabled router takes
> > place. It will modify the request so it'll look as coming from public IP
> > (NAT cannot be detected in Kamailio), but most of these infernal routers
> > don't mantain the keepalive so the input traffic is closed after UDP
> > "connection" expires in the router.
>
> Yep.  Infernal - well said!

This is my personal battle against SIP ALG routers:
  http://www.voip-info.org/wiki/view/Routers+SIP+ALG

Please, feel free to add any useful information about infernal routers with 
SIP ALG enabled.

Thanks a lot :)

-- 
Iñaki Baz Castillo <ibc at aliax.net>




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