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List:       ipfilter
Subject:    Re: H323 Proxy (Netmeeting)
From:       Michael Grant <mg-ipf () grant ! org>
Date:       2001-09-28 16:13:50
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Back in February Xiaodan Tang sent the message below.  I've since
tried contacting him directly but his email address bounces.  Does
anyone know where I can find this H323 proxy or another proxy that
works with ipfilter and makes Netmeeting work?

Michael Grant

> Hello,
>  I've got a builtin H323 Proxy working based on the Linux one (ip_masq_h323.c).
> Only callout is allowed for now, but I think it is not too difficult to receive
> an inbound call combine it with "rdr" rules.
>  I only run it with the src I have (3.4.6), but I believe it will work with
> new versions. I am willing to send out the source if anyone want it, or
> maybe put it somewhere so poeple could get it.
>  Darren, I do have 2 questions for you:
>  1) Trying to follow the "_pxy.c" files, but I have to change ip_proxy.[ch] to
>    add one more function so that the proxy will be told if a session is end.
>    (currently, ip_proxy just free the data that the proxy allocated, which
>    is not enough for me)
>  2) Why can't we combine a proxy nat rule and a AUTOMAP nat rule?
>                  map en0 10.0.0.0/8 -> gateway/32 proxy port 1720 h323/tcp portmap tcp/udp 20000:40000
>     I like this because it ensure me that only 20000:40000 port on gateway is
>    used, so that I could filter out any attempt to contact other ports.
>  -Xiaodan

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