Port Forwarding Wizard is a very simple piece of port-forwarding software that runs on OS X. It supports Snow Leopard, Lion, and above. You can easily add port-forwarding entry into router by using our tool.
The Port Forwarding Wizard communicate with router by using UPnP standard. So what you need to do is just enable UPnP option in your router. When you launch Port Forwarding Wizard, it will auto detect your router. When your router is detected, the tool will fetch current port forwarding entries from router and display for you.
Then you can just simply click "add" button on GUI, then pls fill in the port that you want to forward and internal IP address.