From owner-freebsd-questions@FreeBSD.ORG  Tue Jan 24 16:42:36 2006
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
X-Original-To: freebsd-questions@freebsd.org
Delivered-To: freebsd-questions@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 3EFE616A41F
	for <freebsd-questions@freebsd.org>;
	Tue, 24 Jan 2006 16:42:36 +0000 (GMT)
	(envelope-from hagemann1@egs.uct.ac.za)
Received: from janeway.egs.uct.ac.za (janeway.egs.uct.ac.za [196.21.8.20])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 4ED6843D6E
	for <freebsd-questions@freebsd.org>;
	Tue, 24 Jan 2006 16:42:33 +0000 (GMT)
	(envelope-from hagemann1@egs.uct.ac.za)
Received: from [196.21.8.146] (helo=particle.egs.uct.ac.za)
	by janeway.egs.uct.ac.za with esmtp (Exim 3.36 #4)
	id 1F1RFk-0000GU-00
	for freebsd-questions@freebsd.org; Tue, 24 Jan 2006 18:42:44 +0200
From: Kilian Hagemann <hagemann1@egs.uct.ac.za>
Organization: University of Cape Town
To: freebsd-questions@freebsd.org
Date: Tue, 24 Jan 2006 18:42:08 +0200
User-Agent: KMail/1.8.1
References: <43D6539E.1090900@o2.pl>
In-Reply-To: <43D6539E.1090900@o2.pl>
MIME-Version: 1.0
Content-Type: text/plain;
  charset="iso-8859-2"
Content-Transfer-Encoding: 7bit
Content-Disposition: inline
Message-Id: <200601241842.08563.hagemann1@egs.uct.ac.za>
Subject: Re: Sharing internet connection, how?
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 24 Jan 2006 16:42:36 -0000

On Tuesday 24 January 2006 18:19, cblasius pondered:
> Hello!
>
> 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)).
>
> Could somone help me, I'm beginner?
>
> I have the following rc.conf file:
>
> defaultrouter="vvv.vvv.vvv.vvv"
> gateway_enable="YES"
> natd_enable="YES"
> hostname="myhost"
> ifconfig_rl0="inet xxx.xxx.xxx.xxx  netmask 255.255.255.0"
> ifconfig_vr0="inet 192.168.1.1 netmask 255.255.255.0"
> linux_enable="YES"
> moused_enable="YES"
> moused_flags="-3"
> sshd_enable="YES"
> usbd_enable="YES"
>
> What I must to do else, because my wife could not connect to the
> internet?
> FreeBSD 6.0-RELEASE

Until recently I managed a very similar setup. I think all you need is

natd_interface=rl0
natd_flags="-log_ipfw_denied -log_denied"

The latter is just so that you can see spurious connection attempts 
in /var/log/security. Check man natd for more info.

Also, you'll have to either statically configure your wife's PC to use 
192.168.1.2 (or whatever), default gateway/route 192.168.1.1 and proper DNS. 
Alternatively install and configure dhcpd, or, which I like more for a simple 
application like that, dnsmasq. Google will tell you more :-)

-- 
Kilian Hagemann

Climate Systems Analysis Group
University of Cape Town
Republic of South Africa
Tel(w): ++27 21 650 2748