Re: h323 over nat firewall - queries

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thu, 14 Jul 2005, Ming-Ching Tiew wrote:

> > I have a case where I have H323 VoIP equipments located behind
> > Linux nat-box running ip_h323_nat and ip_conntrack_h323.
> >
> > We have various combination of traffic and some of them deemed
> > successful and some of them I experience some weird problems
> > such as not able to hear to voice and/or chopping voice.
> >
> > Upon troubleshooting and narrowing down the problem, I suspect
> > that the modules might have some limitation and so I am posting
> > here to see if anyone enlighten me on this subject.
> >
> > I remember certain conntrack modules only allow one client to be
> > behind nat, so I am asking :-
> >
> > If I have one H323 VoIP equipment going to multiple H323 counter
> > parts on the internet at the same time, via the Linux nat conntrack
> > module, if it is going to work correctly ? ie I have one source private
> > IP, but going to multiple destination public IPs via the H323 conntrack
> > module, is this a supported configuration ?
>
> I did not get any comments on this ?
>
> Upon further checking I found the 2.6 kernel has a difference source
> from the 2.4 kernel and my problem was seen on 2.4 kernel. By any
> chance, this "suspected limitation" has been fixed in 2.6 kernel ?
>
> Is it worthwhile testing it on 2.6 kernel ?

Definitely yes. The H.323 support was completely rewritten - actually,
truly implemented - by Max Kellermann in the 2.6 tree. You should give a
try.

Best regards,
Jozsef
-
E-mail  : kadlec@xxxxxxxxxxxxxxxxx, kadlec@xxxxxxxxxxxxxxx
PGP key : http://www.kfki.hu/~kadlec/pgp_public_key.txt
Address : KFKI Research Institute for Particle and Nuclear Physics
          H-1525 Budapest 114, POB. 49, Hungary


[Index of Archives]     [Linux Netfilter Development]     [Linux Kernel Networking Development]     [Netem]     [Berkeley Packet Filter]     [Linux Kernel Development]     [Advanced Routing & Traffice Control]     [Bugtraq]

  Powered by Linux