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

Hi David,

thats a very broad question. There certainly are a number of
disadvantages, like some added overhead that can cause slower call
establishment, lacking support on some devices, assumtions on certain
firewall behavior etc.
It depends on the circumstances if any of these apply to you.


David Vrtin wrote:
> Hi
> What are disadvantages of using H.460.19 ?
> Regards,
> David
> On 4.5.2012 17:56, Jan Willamowius wrote:
> > 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

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