diff --git a/app.js b/app.js
index 150d77a..0e0cdd0 100644
--- a/app.js
+++ b/app.js
@@ -29,7 +29,8 @@ else
 	}
 }
 
-var banned = require('./lib/utils/config').banned;
+var banned   = require('./lib/utils/config').banned;
+var reserved = require('./lib/utils/config').reserved;
 
 // Init http server
 if( process.env.NODE_ENV !== 'production' )
@@ -106,7 +107,7 @@ api.on('connection', function (spark)
 	{
 		console.info('API', 'CON', 'Hello', data['id']);
 
-		if( _.isUndefined(data.secret) || WS_SECRET.indexOf(data.secret) === -1 || banned.indexOf(spark.address.ip) >= 0 )
+		if( _.isUndefined(data.secret) || WS_SECRET.indexOf(data.secret) === -1 || banned.indexOf(spark.address.ip) >= 0 || _.isUndefined(data.id) || reserved.indexOf(data.id) >= 0 )
 		{
 			spark.end(undefined, { reconnect: false });
 			console.error('API', 'CON', 'Closed - wrong auth', data);
diff --git a/lib/utils/config.js b/lib/utils/config.js
index 8222c64..88768f9 100644
--- a/lib/utils/config.js
+++ b/lib/utils/config.js
@@ -26,6 +26,7 @@ var banned = [
 ];
 
 module.exports = {
-	trusted: trusted,
-	banned: banned
-};
\ No newline at end of file
+	trusted:  trusted,
+	banned:   banned,
+	reserved: []
+};