You are the Security Administrate for university The University’s FTP servers have old hardware and software. Certain FTP command causes the FTP servers to malfunction Upgrading the FTP servers is not an optional this time. Where you can define blocked FTP commands passing through the Security Gateway protecting the FTP servers?

A.
IPS > Protections > By Protocol > IPS Software Blade > Application Intelligence > FTP > FTP advanced protections>FTP Commands

B.
FTP Service Object > Advanced > Blocked FTP Commands

C.
Global Properties > Firewall > Security Server > Allowed FTP Commands

D.
Rule Base > Service Field > Edit Properties