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Date: Wed, 17 Mar 2004 19:12:52 +0100
From: Thomas Vogt <turbo23@gmx.net>
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To: Chuck Swiger <cswiger@mac.com>
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cc: freebsd-ipfw@freebsd.org
Subject: Re: layer7 filter?
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Hi Chuck

Yes, but as far as I know, divert is slow. It's not usable in 
enviroments with >=100mbit. But I'm glad if you can show me that this 
not true :)

regards,
Thomas

Chuck Swiger wrote:
> Thomas Vogt wrote:
> 
>> Any plans to implement a OSI layer7 filter into ipfw? Or is there 
>> already a project for fbsd? I only know 
>> http://l7-filter.sourceforge.net/ but it's linux only.
> 
> 
> The divert mechanism already present in IPFW can be used in conjuction 
> with application-specific proxies to perform layer-7 filtering.  For 
> example, consider diverting outbound connections to port 80 to a Squid 
> cache, for example, which might also perform authentication, filtering 
> by URL, or other HTTP-protocol-specific stuff.
>