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 From:  Chris Buechler <cbuechler at gmail dot com>
 Cc:  m0n0wall at lists dot m0n0 dot ch
 Subject:  Re: [m0n0wall] m0n0wall 1.2b9 just started deny requests
 Date:  Tue, 4 Oct 2005 20:11:13 -0400
On 10/4/05, Wesley K. Joyce <wjoyce at uvi dot edu> wrote:
> Greetings list, we have a m0n0wall PC with 2 NICs that serves as a lab
> router.  There is one rule on each interface that allows any protocol
> from any source to any destination.  Today, about an hour ago, the
> router stopped allowing any access to our Squid Proxy (TCP port 8080)
> that is outside of the m0n0wall.  There are dozens of PC behind the LAN
> interface of the m0n0wall, but only entries for one PC showing a red X
> for access to the Squid Proxy server on port 8080.  We rebooted
> monowall, even added an explicit rule to the squid proxy server IP and
> port and that didn't help.  There was no evidence of what was causing
> the problem.  The odd thing is that you could telnet from the same
> computers behind the LAN interface to the IP and Port # of the Squid
> Proxy Server and Squid Proxy port.  Unfortunatlely, we have to remove
> m0n0wall from service and put back the original router m0n0wall
> replaced.

And this was working fine, and just out of nowhere stopped working? 
Something changed somewhere.  Do you have NAT disabled?  Also, which
rule is actually dropping the traffic? 

The config.xml off status.php would be helpful too (or the entire page
too for that matter).