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Date:      Thu, 03 Mar 2005 13:48:16 -0500
From:      Chuck Swiger <cswiger@mac.com>
To:        Paul Schmehl <pauls@utdallas.edu>
Cc:        FreeBSD questions <freebsd-questions@freebsd.org>
Subject:   Re: ipfw lost its mind?
Message-ID:  <42275BF0.1060005@mac.com>
In-Reply-To: <302EDA302808644CF37C11E5@utd49554.utdallas.edu>
References:  <302EDA302808644CF37C11E5@utd49554.utdallas.edu>

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Paul Schmehl wrote:
[ ... ]
> So, I removed rule 00001 and created a new one like this:
> ipfw add 00050 allow ip from {my workstation at work) to any.
> 
> I then ssh'd to my workstation and attempted to ssh back to the server.  
> No go.  Yet ipfw show shows an increased packet count on the counter for 
> that rule.  So, it's seeing the packets, but they're being delayed somehow.
> 
> Why the allow ip from any to any works, but allow ip from my workstation 
> to any doesn't is a complete mystery to me.

TCP connections are bidirectional, therefore you need to add rules which allow 
traffic from all back to your workstation, or else use keep-state and 
check-state to use dynamic rules....

-- 
-Chuck



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