When checking the availability of the network or installing anti-virus software, make sure that the following network ports are not blocked as they are needed for specific features of Command WorkStation.

Ports	Used for
443	Communication between Fiery XF server and FlexNet
4108	Epson Spectroproofer
8010, 8013	Bi-directional communication service
8020, 8022, 8030, 8032	Integration and connectivity between Fiery XF server and EFI printers
8051, 8052, 8053, 8054, 8061, 8062, 8063, 8064	Communication between Fiery XF server and Adobe PDF Print Engine processes (up to four instances)
8085, 8086, 9100	HP Latex driver SDK
20020 to 20021 (UDP only)	Fiery XF server discovery
26502, 27000 to 27009	License management
50005 to 50026	General communication between the Fiery XF server and Command WorkStation