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Troubleshooting WebPort User Interface Communication Ports


It is important that the WebPort be allowed to create and maintain a VPN tunnel through your corporate firewall, and to the Connects server.

The WebPort User Interface (running on a personal computer) uses TCP ports 80 (if using HTTP) or 443 (if using HTTPS) and additionally 6577 to communicate to the WebPort. If traffic is blocked on these ports, the WebPort User Interface will not open up on your personal computer.

Opening outbound ports in a firewall to access WebPort can be avoided if you are connecting to the WebPort through the WebPort Connects service. In this case, a VPN tunnel is created from your PC, through the firewall, to the WebPort. Traffic on all ports is able to pass through the VPN tunnel between the PC and the WebPort. It is important that WebPort be allowed to create and maintain this tunnel.

If there is a possibility that the firewall on your network is not allowing the WebPort to connect with the Connects server, verify with your IT group that these servers are whitelisted for the WebPort:

URL IP Address
Port Service Inbound/Outbound
21 FTP Outbound
25 SMTP Outbound
123 NTP Both
587 Alternate SMTP Outbound