Index: branches/5.1.x/core/kernel/utility/debugger.php
===================================================================
diff -u -N -r14444 -r14519
--- branches/5.1.x/core/kernel/utility/debugger.php	(.../debugger.php)	(revision 14444)
+++ branches/5.1.x/core/kernel/utility/debugger.php	(.../debugger.php)	(revision 14519)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: debugger.php 14444 2011-07-08 10:12:04Z alex $
+* @version	$Id: debugger.php 14519 2011-09-16 14:15:50Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -281,6 +281,10 @@
 				$network = trim($network);
 				$ip = trim($ip);
 
+				if ( preg_replace('/[\d\.\/-]/', '', $network) != '' ) {
+					$network = gethostbyname($network);
+				}
+
 				if ($network == $ip) {
 					// comparing two ip addresses directly
 					return true;