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Date: Tue, 17 May 2005 10:40:51 -0700
From: Erick Mechler <emechler@techometer.net>
To: george roman <thewolfro@yahoo.com>
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Subject: Re: ipfw question
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:: does anyone what is the ipfw equivalent line for this one?
:: 
:: rdr fxp0 external_ip_addres/32 port 69 -> 192.168.66.3
:: port 69 udp 

IPFW doesn't do nat like ipf does.  You need to use natd(8):

  natd -n outside_iface -redirect_port udp 192.168.66.3:69 69

Cheers - Erick