Port Forwarding rule not working

I am trying for a simple port forward of port 80 to a internal Ubuntu Apache server (198.168.2.250, tested http from internal, and fine), but it just does not work from outside of the Asus-Merlin router. I get a "Site Unreachable" message. I know that my external IP is correct that I am testing against (http://external-ip).

HTTP | | 80 | 192.168.2.250 | 80 | Both |

I've updated to the current firmware...

Port Forwarding rule not working