Depends on your router though, if you find out...type in its own IP address, and I think there is a feature that you can turn on some specific port...well, at least this is what I did to mine
::::::::::::::::::::::::::::::::::::::::::::::::::
First Step: Find your cousin.
Second Step: Get your cousin in the cannon.
Third Step: Find another cousin.
::::::::::::::::::::::::::::::::::::::::::::::::::
Threaded Mode