You don't need to forward anything in your router, at all. If you have any entries there, delete them for security.    Go to the Client Area > Forwarded ports. Choose a port number (there's a grid of ports, showing all taken and free ports, available at the bottom of the page if you click 'View the graph'). Enter your chosen port number into the box at the top and click 'Add'. If you're not bothered about the port number you use, and/or don't need blocks of ports (the tool can help you find a