server timeout internal ip

[THA-Wigga]

when i try to connect from my internal ip to my server it says attempting to join server # until 23 then it times out and says cannot connect to server and i cannot connect to external ip i get steam error. i want to join my server from my internal ip but i cannot figure out how to fix my issue

[aIW|Convery]

Don't run your server on the same computer as the client and open your ports.

[lolbie]

close your firewall and try again if it didn't work
try to open some ports
it's called
port forward

[richardxs]

Would you mind making a list of those ports which you talk about? Pls.