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17.10. Using Clustered Single Sign On
JBoss supports clustered single sign-on, allowing a user to authenticate to one web application on a JBoss server and to be recognized on all web applications, on that same machine or on another node in the cluster, that are deployed on the same virtual host. Authentication replication is handled by the same JBoss Cache Mbean that is used by the HTTP session replication service. Although session replication does not need to be explicitly enabled for the applications in question, the
jboss-web-cluster.sar file needs to be deployed.
To enable single sign-on, you must add the
ClusteredSingleSignOn valve to the appropriate Host elements of the tomcat server.xml file. The valve configuration is shown here:
<Valve className="org.jboss.web.tomcat.tc5.sso.ClusteredSingleSignOn" />
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