[Skullmeat]

I've done this before, so allow me to explain how. You need to port forward on BOTH routers. In this case you would forward the required ports on the first router to the second, then forward the ports on the second router to the server/machine/etc.

[midget_pro]

turn off your antivirus then check it if that works then modify your antivirus to allow traffic on that port . simple