We have a business broadband account with Virgin, with a CGNV4-BIZ router. I'm trying to forward port 8443 to an internal server with the IP 192.168.0.17. I logged onto the router, clicked on "Basic" - "Port Forwarding" and forwarded port 8443-8443 from public, 8443-8443 to private, protocol TCP/UDP, internal IP address 192.168.0.17, however when I do an external port check to our public IP with the port number 8443, it shows up as "closed". I checked the server, and it seem to say port 8443 is open and listening. I can access port 8443 on an internal computer. How can I make port forwarding work for this please?
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