diff --git a/dicos/99_one-frontend.xml b/dicos/99_one-frontend.xml
index c9947e3..00d1163 100644
--- a/dicos/99_one-frontend.xml
+++ b/dicos/99_one-frontend.xml
@@ -4,8 +4,8 @@
         <service type='service'>opennebula-sunstone</service>
         <file filelist='onefrontend' name='/etc/one/sunstone-server.conf' rm='True' mkdir='True'/>
         <service_access service='sunstone'>
-            <port>9000</port>
-	    <port>29876</port>
+            <port port_type="SymLinkOption">port_sunstone</port>
+            <port port_type="SymLinkOption">vnc_proxy_port_sunstone</port>
         </service_access>
         <service_restriction service='sunstone'>
             <ip interface='eth0' netmask='netmask_ssh_eth0' netmask_type='SymLinkOption' ip_type='SymLinkOption'>ip_ssh_eth0</ip>
@@ -19,6 +19,9 @@
             <variable name='port_sunstone' type='number' description="Numéro de port d'écoute d'OpenNebula Sunstone">
                 <value>9000</value>
             </variable>
+            <variable name='vnc_proxy_port_sunstone' type='number' description="Numéro de port d'écoute du proxy VNC">
+                 <value>29876</value>
+            </variable>
             <variable name='ip_sunstone' type='ip' description="Adresse IP d'écoute pour OpenNebula Sunstone"/>
             <variable name='langue_sunstone' type='string' description="Langue par défaut de l'interface" mode='expert'>
                 <value>fr_FR</value>
diff --git a/tmpl/sunstone-server.conf b/tmpl/sunstone-server.conf
index 3c1d078..d3022bc 100644
--- a/tmpl/sunstone-server.conf
+++ b/tmpl/sunstone-server.conf
@@ -89,10 +89,10 @@
 #   vnc_proxy_cert: Certificate to encrypt wss connections.
 #   vnc_proxy_key:  Key for wss connections. Only necessary if not included in cert.
 #   vnc_proxy_ipv6: Enable ipv6 support for novnc-server
-:vnc_proxy_port: 29876
+:vnc_proxy_port: %%vnc_proxy_port_sunstone
 :vnc_proxy_support_wss: no
-:vnc_proxy_cert:
-:vnc_proxy_key:
+:vnc_proxy_cert: %%server_cert
+:vnc_proxy_key: %%server_key
 :vnc_proxy_ipv6: false