What Port Numbers to Allow in a Firewall

Canon PRINT Business uses the following port numbers.
80 (TCP) : WSD
161 (UDP) : SNMP
427 (UDP) : SLP
443 (TCP) : For the following (HTTPS)
Communication with cloud storage
Communication with Data Conversion Service
Transmission of usage status
515 (TCP) / 9100 (TCP) : For print jobs
5900 (TCP) : For remote operation with the devices
8000 (TCP) : REST
8080 (TCP) : WebDAV*
8443 (TCP) : WSD, REST (HTTPS)
9013 (TCP) : For acquiring MF series device information
47545 (UDP) : For acquiring device information
* You can change the port number for WebDAV in [App Settings] > [WebDAV Port].