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Date: Thu, 09 Feb 2006 07:30:17 -0500
From: Chuck Swiger <cswiger@mac.com>
Organization: The Courts of Chaos
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To: andrew clarke <mail@ozzmosis.com>
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Cc: freebsd-questions@freebsd.org
Subject: Re: fine grained firewall?
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andrew clarke wrote:
> Is it possible to configure the FreeBSD firewall to block ports on a
> per-user or per-executable basis?
> 
> eg.
> 
> - Block /usr/local/bin/irc from connecting to TCP port 6667
> 
> - Block user 'johnsmith' from connecting to TCP port 21

Yes to users (if the connections originate from the firewall box), no to
per-executables.  The latter seems useless when "cp irc myirc" is all it would
take to defeat it.  Frankly, neither option is very useful or would be needed
for a good ruleset...

-- 
-Chuck