A portscan of the wan side of a Fortigate device whill show that port 541 is open. This port is used for Fortimanager and Fortiguard Server. If you do not use either of these services the port can be closed using the following:
config system central-management
set status disable
good post. thank you.
love the -: JUST MORE RAMBLINGS OF ANOTHER IT GUY
know the feeling. will it ever end?
on newer FortiOS use:
config system central-management
set type none