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From: Lowell Gilbert <freebsd-questions-local@be-well.ilk.org>
Date: 17 Feb 2005 09:12:03 -0500
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Subject: Re: Operation: "ipfw on a gateway box"
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> > Does anything work *without* the firewall?
> 
> Yes, before I started messing with the firewall I had squid
> set up, I set up FreeBSD as a gateway and also as a DNS
> server. I could acces the WWW, ftp, telnet and all the
> other services at will, inside and outside my home LAN.

Try temporarily setting the firewall to just pass everything
("ipfw add 1 allow ip from any to any") and see if you can still get
out through it.  I'm guessing something else may be messed up now.