--- a/inc/auth.inc.php	Tue Dec 25 14:37:42 2007 +0000
+++ b/inc/auth.inc.php	Tue Dec 25 14:40:03 2007 +0000
@@ -1,5 +1,24 @@
 <?
 
+/*  PowerAdmin, a friendly web-based admin tool for PowerDNS.
+ *  See <https://rejo.zenger.nl/poweradmin> for more details.
+ *
+ *  Copyright 2007, 2008  Rejo Zenger <rejo@zenger.nl>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
 session_start();
 
 if (isset($_SERVER["QUERY_STRING"]) && $_SERVER["QUERY_STRING"] == "logout")