cas-filters.xml

<!-- CAS client filters -->
<filter>
  <filter-name>CAS Authentication Filter</filter-name>
  <filter-class>
      org.jasig.cas.client.authentication.AuthenticationFilter
  </filter-class>
  <init-param>
    <param-name>casServerLoginUrl</param-name>
    <param-value>{cas-server}/cas/login</param-value>
  </init-param>
</filter>

<filter-mapping>
  <filter-name>CAS Authentication Filter</filter-name>
  <url-pattern>/Authn/RemoteUser</url-pattern>
</filter-mapping>

<filter>
  <filter-name>CAS Validation Filter</filter-name>
  <filter-class>
    org.jasig.cas.client.validation.Cas20ProxyReceivingTicketValidationFilter
  </filter-class>
  <init-param>
    <param-name>casServerUrlPrefix</param-name>
    <param-value>{cas-server}/cas</param-value>
  </init-param>
  <init-param>
    <param-name>redirectAfterValidation</param-name>
    <param-value>true</param-value>
  </init-param>
</filter>

<filter-mapping>
  <filter-name>CAS Validation Filter</filter-name>
  <url-pattern>/Authn/RemoteUser</url-pattern>
</filter-mapping>

<filter>
  <filter-name>CAS HttpServletRequest Wrapper Filter</filter-name>
  <filter-class>
    org.jasig.cas.client.util.HttpServletRequestWrapperFilter
  </filter-class>
</filter>

<filter-mapping>
  <filter-name>CAS HttpServletRequest Wrapper Filter</filter-name>
  <url-pattern>/Authn/RemoteUser</url-pattern>
</filter-mapping>