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Re: RTP Proxy / Masquerading RTP Traffic

The problem you pose is to pxying h323
For doing that you need a special proxy cause there a dynamic allocation of
some ports in this protocol.

I have done that before : Use phonepatch (but you need money) or h323_ipmasc
you can also try the proxy provide by people wicha are making openh323

I have use the module ipmasc and phoneatch. the first one is not very stable
phonepatvh is a good product

----- Original Message -----
From: Peter Ludwig <illiath@bigpond.net.au>
To: Debian - Firewall <debian-firewall@lists.debian.org>
Sent: Friday, April 06, 2001 11:57 PM
Subject: RTP Proxy / Masquerading RTP Traffic

> I am attempting to configure a system here that will have at least one
> workstation behind it that has a webcam and microphone.  The user of this
> machine (me) would like to be able to use both of them for internet-chat
> have a DSL connection, I should be able to get some use out of it *lol*),
> however, while I can transmit audio and video streams, I am unable to
> receive them.  I have read the documentation for the various packages
> microsoft netmeeting (yuck!) to speak-freely for windows), and neither of
> those two packages tell me anymore than "You need to open up some ports on
> the firewall".
> Speak Freely's documentation gave me some ports to work with, but that did
> not seem to help any, so now I am left with trying to figure out a better
> way of doing this (as in I would like if at all possible to be able to do
> this on a friends server where they run two pc's behind the firewall that
> have mic's connected), or figuring out how to get this to function
> correctly.  I would prefer to go the RTP proxy method as this would allow
> to have a large quantity of machines behind the firewall, instead of just
> the one machine with port redirections.
> Any advice here would help greatly.
> Regards,
>     Peter Ludwig
> --
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