Well, what MSN messenger and other apps are doing is following default rules 
of the firewall, with stateful packet inspection. I've gotten MSN messenger 
and filesharing applications to work fine without the need for port 
forewarding at all.


>From: Falcor <falcor at netassassin dot com>
>To: michael dot she at binaryio dot com
>CC: m0n0wall at lists dot m0n0 dot ch
>Subject: Re: [m0n0wall] Monowall and uPNP
>Date: Fri, 04 Jun 2004 10:22:48 -0500
>
>I run MSN Messenger without uPNP with no problems.  Or is this for the 
>video and voice options of the IM system?
>
>Michael She wrote:
>
>>Hi all,
>>
>>I'm very interested in using m0n0wall with a soekris box to replace my
>>current consumer router, however, I use MSN Messenger so uPNP is a
>>requirement. I've read over the mailing list archives and see that others
>>are interested in uPNP. Any updates on when (or if) uPNP will be added to
>>m0n0wall? If it's not being added... is there any way to get Messenger to
>>work well with m0n0wall (file transfer, webcam, audio, etc).
>>
>>Thanks!
>>
>>
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>>
>
>
>
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