What Ports to Forward?(Gmod Server SRCDS)

Hi, I got my SRCDS Working(finally) and Now I know I need to do one more thing. Forward my Ports. However no matter which ones I try, it never works.

I tried another post here on Facepunch… no dice
I tried the Gmod Server Wiki… Nicht

Help me please.

27000-27050 will work

Since your new to this i’d reccomend looking at this:

Or he could just use the values provided and not go to some external link which tells him how to do it, which I’m assuming he already knows how to.

Mabye hes doing something wrong though, that link could teach him what to do step by step, i remember my first time trying to port forward it was a pain trying to find the right place and exactly what ports.