How to unblock Red Kawa port scan or port in general?

Hello all,

I recently learned about Red Kawa and the PS3 use. Everything was working fine until my Bit Defender firewall popped up a notice that said port scan blah blah blocked, which was the port Red Kawa was using to connect to my PC.

Now when I try and go back to the Red Kawa page on my ps3 it says "The page cannot be displayed." This is obviously because the port is now blocked. The problem is I can't seem to set a rule to allow this to happen from now on or just don't know how to configure it correctly. Can anyone help?