Problem with online

I have all ports open butt my friend not can enter in my server.

My citmp-server.yml:

I have the open port in my local ip, and my friend use my publick ip and port for connect but no work.

Please help. and thanks

Start the server, open the ports TCP and UDP. Then check if your ports are actually open @

I check and my ports is open when he go enter on server use myippublic:30120 and recivied error.

@DevBiiTz What error?