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From: John Nielsen <lists@jnielsen.net>
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Date: Tue, 8 May 2007 12:21:45 -0400
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Cc: Gardner Bell <gbell72@rogers.com>
Subject: Re: IPFW and NATD problem
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On Tuesday 08 May 2007 11:40:58 am Gardner Bell wrote:
> Hi all,
>
> I've been following the IPFW section in the handbook and /etc/rc.firewall
> to try and setup a gateway for my home LAN but I'm having a bit of trouble
> getting access to the internet.  My network setup looks like so.
>
> 192.168.x.x                     bge1 - 192.168.x.x       bge0 x.x.x.x
> --LAN------------Switch---------FreeBSD-------------------------------ISP
>
> Bge0 successfully receives an IP from my ISP's DHCP server and I can ping
> the LAN without any issues.  When it comes to accessing the internet I get
> a hostname lookup failure.
>
> Any help resolving this is greatly appreciated.

Do you have "gateway_enable=yes" in your /etc/rc.conf? (check the value of the 
net.inet.ip.forwarding sysctl).

What DNS server is your LAN machine trying to use? Can you ping it (or 
anything else) by IP?

JN