diff --git a/dicos/92_one-frontend.xml b/dicos/92_one-frontend.xml
index ba95d83..59e222c 100644
--- a/dicos/92_one-frontend.xml
+++ b/dicos/92_one-frontend.xml
@@ -16,6 +16,9 @@
             <variable name='langue_sunstone' type='string' description="Langue par défaut de l'interface" mode='expert'>
                 <value>fr_FR</value>
             </variable>
+            <variable name='sunstone_auth' type='string' description="Mode d'authentification des utilisateurs" mode='expert'>
+                <value>sunstone</value>
+            </variable>
         </family>
     </variables>
 
diff --git a/tmpl/sunstone-server.conf b/tmpl/sunstone-server.conf
index 45adb0e..3c1d078 100644
--- a/tmpl/sunstone-server.conf
+++ b/tmpl/sunstone-server.conf
@@ -64,7 +64,8 @@
 #   opennebula, the authentication will be done by the opennebula core using the
 #   driver defined for the user
 #
-:auth: sunstone
+#:auth: sunstone
+:auth: %%sunstone_auth
 
 # Authentication driver to communicate with OpenNebula core
 #   cipher, for symmetric cipher encryption of tokens