I duplicated the LAN rule and created a OPT1 rule which is identical. Again what is odd is desktops
can resolve when I add an outside DNS address but cannot work when using the server IP. When I hook
them back up to there Linksys firewall I have no problems.
From: tnelson at fudnet dot info [mailto:tnelson at fudnet dot info]
Sent: Mon 8/7/2006 3:06 PM
To: Mark Gilbert
Subject: Re: [m0n0wall] DNS Issues on Opt 1 network
Make sure you have a rule allowing traffic from the OPT1 interface to the
> My lan network is 192.168.2.0 with lan gateway of 192.168.2.2.
> The 2000 server is 192.168.2.1 and is providing DNS resolution.
> I have setup my OPT1 with a network of 192.168.1.0 and the OPT1 gateway is
> The 2000 server for that network is providing DNS resolution.
> I have setup a rule in the OPT1 interface allowing traffic from the OPT1
> interface to go out without restrictions similar to the LAN rule.
> Everything is great but non of the systems trying to go out to the
> internet from the OPT1 network cannot resolve internet addresses. I am
> able to RDP into systems meaning I am able to remote control systems on
> the internet. But no DNS resolution. The firewall log says there is
> communication on UDP 53.
> If I change the DNS of the local PC from pointing to the server
> 192.168.1.2 to for example 126.96.36.199 then I am able to get out onto the
> Very fustrating.