You must append the port to the URL to reference the project on the control system if the port was changed from the default. No parameter - Displays the current value.
portnumber - Sets the desired port number (in decimal notation).The service port for the HTTPS protocol can be changed from the web standard (443) to another port number using the securewebport command. HTML5 XPanel requires the use of the HTTPS protocol on the control system. NOTE: Ensure that the control system is running the minimum required firmware version or higher as described in Dependencies.