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Date: Thu, 26 Jan 2006 22:27:34 -0500
From: Mike Jakubik <mikej@rogers.com>
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To: Russell Doucette <ota@animenfo.com>
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Cc: freebsd-stable@freebsd.org
Subject: Re: FreeBSD 6.0-STABLE Totally Freezes on TightVNC Connection
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Russell Doucette wrote:
> Hi,
>
> I have this weird problem with FreeBSD 6.0-STABLE and I'm using it has 
> a router between my cable modem and my LAN.  I use the ipf firewall 
> technology and have forwarded ports so I can use TightVNC to connect 
> to my Windows XP machine from another location.  However, after a few 
> minutes or so of use, the BSD machine completely freezes (the keyboard 
> freezes, the display freezes [no text updates when I was running a 
> traffic analyzer], and all my network interfaces go dead).  I have to 
> physically turn off the machine and turn it back on.  This only 
> happens when I use TightVNC.

It's either a hardware problem, or some serious issue with ipf. As a 
side note, i would highly recommend you ditch ipf and switch to pf 
instead, its a much better firewall.