diff --git a/resources/cidr.php b/resources/cidr.php
index 3d8f7a2ad8..00efa89f0b 100644
--- a/resources/cidr.php
+++ b/resources/cidr.php
@@ -1,4 +1,28 @@
 <?php
+/*
+	FusionPBX
+	Version: MPL 1.1
+
+	The contents of this file are subject to the Mozilla Public License Version
+	1.1 (the "License"); you may not use this file except in compliance with
+	the License. You may obtain a copy of the License at
+	http://www.mozilla.org/MPL/
+
+	Software distributed under the License is distributed on an "AS IS" basis,
+	WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+	for the specific language governing rights and limitations under the
+	License.
+
+	The Original Code is FusionPBX
+
+	The Initial Developer of the Original Code is
+	Mark J Crane <markjcrane@fusionpbx.com>
+	Portions created by the Initial Developer are Copyright (C) 20018-2021
+	the Initial Developer. All Rights Reserved.
+
+	Contributor(s):
+	Mark J Crane <markjcrane@fusionpbx.com>
+*/
 
 //check the domain cidr range 
 	if (isset($_SESSION['domain']["cidr"]) && !defined('STDIN')) {