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Date: Tue, 30 Mar 2010 20:16:42 -0400
From: Bob Hall <rjhjr0@gmail.com>
To: Walter <walterk1@earthlink.net>
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Cc: Questions <freebsd-questions@freebsd.org>
Subject: Re: Setting firewall symbolic constants
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On Tue, Mar 30, 2010 at 04:17:22PM -0500, Walter wrote:
> >>Can these be set by the system automatically?  Specifically
> >>$firewall_simple_onet?

My first response never showed up. Second try.

I use
	onet=`ifconfig rl0 | grep "inet " | awk '{print $6}'`
where rl0 is the outward facing NIC on this gateway.