Chapter 1 What’s New for FortiOS 5.0 : Firewall : Choosing the policy type : Creating a security policy to authenticate devices for BYOD
  
Creating a security policy to authenticate devices for BYOD
Select the Firewall policy type and the Device Identity subtype. Select incoming and outgoing interfaces, source addresses, and other features. Then select Create New to add device authentication rules to the policy.
Device authentication rules include the destination address, user groups and or individual users, schedule, service, action, logging, and UTM security profiles.
Figure 67: Adding a device authentication rule