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As in previous versions of CAS, there is the deployerConfigContext.xml in the cas-server-webapp/src/main/webapp/WEB-INF directory. You can use this to configure your Authentication Handlers. There is also a cas.properties file with some URLs for configuring and securing the Services Management Application. Dependencies are added to the web application by adding a new dependency to the Maven 2 POM file for the cas-server-webapp (this includes custom modules, or any of the ones that CAS provides). Under "Authentication", you'll find more details on configuring each of the Authentication Handlers.
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