diff --git a/src/sunstone/etc/sunstone-server.conf b/src/sunstone/etc/sunstone-server.conf
index f584655cc5..488da2c8ce 100644
--- a/src/sunstone/etc/sunstone-server.conf
+++ b/src/sunstone/etc/sunstone-server.conf
@@ -94,11 +94,16 @@
 #   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_request_password: true | false
+#   Request VNC password for external windows, by default it will not be requested
+#
 :vnc_proxy_port: 29876
 :vnc_proxy_support_wss: no
 :vnc_proxy_cert:
 :vnc_proxy_key:
 :vnc_proxy_ipv6: false
+:vnc_request_password: false
 
 
 # Default language setting