Router Gateway Port Forwarding Setup Failure - getting error "Please use only AlphaNumeric Characters" When trying to setup a Forwarded Port in the Router Gateway Application (login successful and all services functioning and identified), I choose connected device from the “Select a device to add IPv4 and IPv6 address” button… the fields are populated automatically by the Router program, and then I enter the port number in the start and end port boxes, then hit Save… An Alert popup box appears with “Please use only alphanumeric characters”. Even if I populate the boxes with manual keyboard entry, I receive the same result. I have tried to use the mobile phone web GUI version of the Router Gateway, and receive the same result as I have described above (using the Computer CPU to add the new Port Forward service. HELP?!