General Questions

Have a monowall box on a DMZ on a private network, with a webserver behind the monowall box. It should respond on http://66.218.2.66 but the browser always reports a timeout. I moved the webadmin on monowall to a different port, in case that was somehow the problem, and doublechecked the NAT configuration:

Rules:
Proto     Source     Port     Destination     Port     Description     
TCP    *    80 (HTTP)    192.168.0.75    80 (HTTP)    HTTP Server

NAT:
If     Proto     Ext. port range     NAT IP     Int. port range     Description     
WAN    TCP    80 (HTTP)    192.168.0.75    80 (HTTP)    HTTP Server

I can browse out from the webserver just fine (I'm posting from it in fact), but monowall blocks connection attempts from the wan to the webserver. Is there something else I am missing?

Your rule has Source Port set to 80. This is wrong. Set it to *

You're right, thanks!