Ports 80, 443, 8530 and 8531 are used by WPP to communicate with you Wsus server (only one of this port is used). The port used depend of your Wsus configuration.
Wpp can't work without these ports.
Other ports, are used for extra features like sending command. it's not mandadory to open it in your firewall.
Wpp can't work without these ports.
Other ports, are used for extra features like sending command. it's not mandadory to open it in your firewall.