Here's the new settings for Port Forwarding. If your router does not support Universal Plug 'n Play (UPnP), then you can manually port forward. You'll also need to forward a port on your modem/router. Find your model on this list
PortForward.com - Free Help Setting up Your Router or Firewall (NOTE!: This is now refered to as Manual Port Forward & NOT Force IP. A more appropriate name for the function!) Listening Port & Manual Port Forward numbers should be the same!!! See image below. (
Windows equivalent image click here)
For
Windows: Tools>Options>Advanced>Firewall
___ Mac OSX: (
⌘ + ,) LW's Prefs>Advanced>Firewall
___ (Mac OS 9 = windows location) 
Updated image:
