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Date: Tue, 16 Sep 2003 12:47:24 -0400
From: Chuck Swiger <cswiger@mac.com>
Organization: The Courts of Chaos
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To: Lay Tay <LTay@certicom.com>
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cc: freebsd-questions@FreeBSD.ORG
Subject: Re: Slow NAT firewall
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Lay Tay wrote:
[ ... ]
> Everything worked fine except that I noticed ssh connection takes a very
> long time.  When I use PUTTY or WinSCP on a windows machine to connect to
> my internal machine, the authentication takes a very long time.  WinSCP
> will alway timeout on the first try, when  I hit "retry", the
> authentication goes through.
> 
> This does not happen if I insert a "pass everything" rule in ipfw.

Sounds a lot like a DNS timeout.  I'm not sure your rules for port 53 are doing 
exactly the right thing; where does DNS traffic go when you do this SSH connection?

-- 
-Chuck