Re: Minimal Firewall Port set in H460.18/19 config

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Hi,

the only requirement for H.460.19 is the the firewall allows _outgoing_
connections. If it does, there is no need to open any ports at all.

If it doesn't, you can use RTP multiplexing and define 2 ports in the
GnuGk config for RTP. For outgoing packets on those ports your firewall
has to open a pinhole. But you still need to configure a PortRange for
Q.931 and H.245 and open the RAS ports.

Regards,
Jan

-- 
Jan Willamowius, Founder of the GNU Gatekeeper Project
EMail  : jan@xxxxxxxxxxxxxx
Website: http://www.gnugk.org
Support: http://www.willamowius.com/gnugk-support.html

Florian von Kurnatowski wrote:
> Hi,
> 
> can anybody quickly tell me what the absolute minimum port requirements for firewall setup are if there is a FW between the endpoint and GnuGK? One Endpoint is a Tandberg C20, the other is a Polycom HDX Codec.
> 
> I'd like to avoid port ranges in the configuration, if possible. That should work using H.460.19 RTP Multiplexing, correct?
> 
> I previously used a Tandberg VCS expressway with only Tandberg Codecs for the purpose, and could get by with only 5 non-range ports, in Tandberg Assent mode.
> 
> Any pointers appreciated, thanks,
> Florian.


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