How can I check which port and IP the RealVNC server is using?

Is there a way to check which IP and port the RealVNC server is using? I can't find it in the settings anywhere. I can get my IP from Windows settings but I don't know which port RealVNC is using for my local network. I'm trying to connect using an old version of RealVNC viewer on iOS, and it's asking me for a port. The default port (5900) doesn't work. It just times out. I suspect the server might be using a different port. How can I check?



  • You can change the listening port in the VNC Server by going into Options > Connections > Port: 

    I changed mine to 5901. You will also want to create two firewall inbound rules (if windwos machines) to allow TCP port 5901 and Allow UDP port 5901.


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