Chapter 3 Authentication for FortiOS 5.0 : Examples and Troubleshooting : RADIUS SSO example : Configuring a RADIUS SSO Agent on the FortiGate unit
  
Configuring a RADIUS SSO Agent on the FortiGate unit
To create a RADIUS SSO agent
1. Go to User & Device > Authentication > Single Sign-On and select Create New.
2. In Type, select RADIUS Single-Sign-On Agent.
3. Select Use RADIUS Shared Secret and enter the RADIUS server shared secret.
4. Select Send RADIUS Responses.
5. Select OK.
The Single Sign-On agent is named RSSO_Agent.