To enable Server DPI-SSL inspection
Navigate to the POLICY | DPI-SSL > Server SSL page.
Scroll to the General Settings section.
Select Enable SSL Server Inspection.
Select one or more of the services with which to perform inspection:
Intrusion Prevention
Gateway Anti-Virus
Gateway Anti-Spyware
Application Firewall
Click Accept.
Scroll down to the SSL Servers section to configure the server or servers to which DPI-SSL inspection is applied. See Configuring Server-to-Certificate Pairings.