Chapter 1 What’s New for FortiOS 5.0 : Firewall : SSL and SSH inspection
  
SSL and SSH inspection
To configure how encrypted SSL or SSH traffic is inspected in security policy that accepts the SSL or SSH traffic to be inspected, turn on SSL/SSH Inspection and select an SSL/SSH inspection profile.
You can go to Policy > Policy > SSL/SSH Inspection to change the default SSL and SSH inspection profile or you can create new profiles.