How to check the port forwarding is working?
To make sure and confirm that all ports are opened properly, follow the below steps:
1. Go to "Control Panel > Programs > Programs and Features", click "Turn Windows features on or off" and enable "Telnet Client".
2. Run the <Command Prompt> and type the command: "telnet <IP Address Port>", and click enter:
3. If the <Command Prompt> shows a black screen as the below picture, it means that this port is opened properly.
4. If not, kindly check again the port forwarding setting in your router.