I don't think so. With this ability you can only specify a network where firewall will do NAT
or where will not do. I think you need transparent proxy. It's similar to port redirection in
but on LAN interface. You can't do this by m0n0wall webGUI, because it works only with WAN
> With the ability to configure destination for advanced outbound NAT in
> m0n0wall pb19, can m0n0wall redirect all outgoing http requests to port 80
> from client machines on the LAN segment to a Squid proxy on listening on
> port 3128?