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From: "Dan O'Connor" <dan@ferrarishields.com>
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Date: Tue, 24 Jan 2006 11:07:33 -0800
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Subject: Re: Sharing internet connection, how?
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> I have two ethernet cards on my computer. The first is rl0 - with
> the adrress from my ISP xxx.xxx.xxx.xxx (DSL 1M), and the second is 
> vr0 - with the address 192.168.1.1.
>
> I want to use my computer as gateway to internet for the other
> computers in my home. How I can sharing internet connection on my 
> computer to the rest computers in my home? I hve 2 computers (my and 
> my wife (rl0 192.168.1.2)).

You need to configure a firewall and network address translation (NAT).

Here's how I do it: 
http://www.mostgraveconcern.com/freebsd/sheet.cgi?ipfw

Good luck and have fun!

~Dan

--
FreeBSD Cheat Sheets
   http://www.mostgraveconcern.com/freebsd/