The SSOAutoLogout monitors an SSO session and performs automatic logout when user supposedly logs out of a federated site
This helps with federated logout across all the possibly federated sessions
This valve is to be used for JAAS based authentication mechanism
The SSOTokenManager Tomcat Valve intercepts requests and checks the presence of an SSOToken domain cookie
If the user is logged in (Principal is set) and an SSOToken domain cookie does not exist, it creates one for this user
for the duration of this session.