Title: Use Single Sign On (SSO) In A Web Application Describe the issue: The usage of the system properties org.jboss.as.web.sso.ClusteredSingleSignOn.maxEmptyLife and processExpiresInterval should be documented. Suggestions for improvement: Specification of the purpose and usage of these properties in the documentation. Additional information: This issue is related to the BZ-958572 which refers to the need of these properties to specity maxEmptyLife value.