How to open port 2000 on Azure?

Question

System administration

Opened the port in the network settings:

Azura writes in the dashboard that everything is OK: Disabled

the firewall on the server itself and allowed this port in the firewall settings:

I checked netstat, the port is not busy, but the program does not connect to another server on this port and the check fails:

Answer 1

Try not to turn off the wall, but rather turn it on, but allow all incoming connections.

Answer 2

specify a clear IP... where to forward the request