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Validation Period Disabled on Persistent Realm Impact

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Article ID: 132523

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Updated On:

Products

CA Single Sign On Secure Proxy Server (SiteMinder) CA Single Sign On SOA Security Manager (SiteMinder) CA Single Sign-On

Issue/Introduction



I'd like to know what is the consequence of disabling Validation
Period on a Realm configured for persistent session ?

Environment

Release: MSPPSF99000-12.51-Single Sign-On-Agent for Oracle PeopleSoft-MSP
Component:

Resolution

According to documentation, if you disable the Validation Period, the 
Web Agent will always try to validate the session from its cache and 
only call Policy Server if the session is not available in its cache. 

On one hand, this should result in less calls to Policy Server and 
Session Store. On the other hand, this might lead to the fact that the 
Web Agent still validate the session, even if the session doesn't 
exist anymore in the Session Store. 

Additional Information

Realm Dialog Reference 

Be aware of the following: 

For persistent sessions, the Idle Timeout must be enabled and set 
to a value higher than that specified for the Validation Period. 

Validation Period 

If enabled, determines the period that the Agent caches the result 
of a session validation call to the Policy Server. Session 
validation calls perform two functions: informing the Policy 
Server that a user is still active and checking that the user 
session is still valid. Session validation calls inform the Policy 
Server that a user is active and confirm that the user session is 
valid. If disabled, the agent always tries to validate the session 
from its cache and only calls the Policy Server if the session is 
not available in its cache. 

To specify the validation period, enter values in the Hours, 
Minutes, and Seconds fields. If you are configuring the system to 
provide a Windows user security context, set this value high, for 
example, 15-30 minutes. 

Note: The Validation Period value must be greater than zero. 

Important! The session validation period must be less than the 
specified Idle Timeout value. 

https://docops.ca.com/ca-single-sign-on/12-8/en/using/administrative-ui/realm-dialog-reference