Setting firewall symbolic constants

[Bob Hall]

On Tue, Mar 30, 2010 at 07:52:57AM -0500, Walter wrote:
> Can these be set by the system automatically?  Specifically
> $firewall_simple_onet?

I use

	onet=`ifconfig <if> | grep "inet " | awk '{print $6}'`

where if is rl0 or em0 or whatever the outward facing interface is for
your system.