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Date:      Tue, 25 Feb 2003 16:09:43 -0800
From:      "Joshua Lokken" <bsdaemon@eudoramail.com>
To:        "Questions" <freebsd-questions@freebsd.org>
Subject:   Fwd: ipfw rule placement
Message-ID:  <AHFLKLPGOOMEHBAA@whowhere.com>

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--------- Forwarded Message ---------

DATE: Tue, 25 Feb 2003 16:06:22
From: "Joshua Lokken" <bsdaemon@eudoramail.com>
To: "Questions" <freebsd-questions@freebsd.org>

Hello,

Primary harddisk failed on my 4.7-release gateway (ipfw+natd) box last weekend, and I had not backed things up properly.  Attached is my ipfw ruleset.  After the rebuild, I rewrote things from memory.  

When I remove the default deny rule from the list, nat works fine, port redirections and all, but with the deny rule in place, nat isn't working, so I'm thinking I have a rule in the wrong place.  Can anyone point out any obvious missing/misplaced rules here?  Thanks much.

---

Joshua Lokken
FreeBSD:  The Power to Serve!
bsdaemon@eudoramail.com
-------------------------------->

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My apologies for the missing attachment...
and for the M$ formatted file ;(


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$fwcmd -f flush

$fwcmd add allow all from any to any via lo0

$fwcmd add divert natd all from any to any via $oif

$fwcmd add allow tcp from any to $oip 22,80,443,6346,22002,22003,22010 setup

$fwcmd add allow tcp from any to any established

$fwcmd add allow icmp from any to any icmptypes 3,4,11,12

$fwcmd add check-state

$fwcmd add allow ip from $oip to any keep-state out via $oif

$fwcmd add allow ip from $inwr to any keep-state via $iif

$fwcmd add 65435 deny log ip from any to any
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