<login-map>

   <login-per-host>

      <host>www.foo.com</host>

      <realm-group-map>
         <realm-name>anyone</realm-name>
         <group>admin</group>
         <group>member</group>
         <group>guest</group>
      </realm-group-map>

      <realm-group-map>
         <realm-name>member</realm-name>
         <group>admin</group>
         <group>member</group>
      </realm-group-map>

      <path-realm-map>
         <path>/login</path>
         <realm>anyone</realm>
      </path-realm-map>

      <path-realm-map>
         <path>/main</path>
         <realm>member</realm>
      </path-realm-map>

   </login-per-host>

</login-map>