[Help] for instructions on server config ip wan port was open

[mrkay]

I want to put cabal up online play along your friends, but not yet know config ip wan (I know config ip lan but instead ip lan by ip wan then client elsewhere not connected be). Ai has config be look forward the you help supporting details thanks!
by using google translate to not know is correct @ @

[Alphakilo23]

Check wether the port is really forwarded or not:
Open Port Check Tool

[mrkay]

ip in the config file I wolrdXX, YY into ipwan, open port 38000-3900, ip in the config file has internal.txt. But one of my friends in other places can not connect to server one knows please help thank!