Chapter 3 Authentication for FortiOS 5.0 : Agent-based FSSO : Introduction to agent-based FSSO : Introduction to FSSO agents
  
Introduction to FSSO agents
There are several different FSSO agents that can be used in an FSSO implementation.
Domain Controller (DC) agent
eDirectory agent
Citrix/Terminal Server (TS) agent
Collector (CA) agent
Consult the latest FortiOS and FSSO Release Notes for operating system compatibility information.