An administrator is configuring a DLP rule for FTP traffic. When adding the rule to a DLP
sensor, The administrator notes that the Ban Sender action is not available (greyed-out), as
shown in the exhibit. Which of the following is the best explanation for the Ban Sender
action NOT being available?

A.
The Ban Sender action is never available for FTP traffic.

B.
The Ban Sender action needs to be enabled globally for FTP traffic on the FortiGate unit
before configuring the sensor.

C.
Firewall policy authentication is required before the Ban Sender action becomes

available.

D.
The Ban Sender action is only available for known domains. No domains have yet been
added to the domain list.