Changed the file location for $conf['admin_ip_whitelist_file'], as suggested.

Author: mladenb

interface/lib/config.inc.php

@@ -160,6 +160,6 @@
 define('LOGLEVEL_ERROR', 2);
 
 //** Admin IP whitelist file
-$conf['admin_ip_whitelist_file'] = '/etc/ispconfig_admin_ip_whitelist';
+$conf['admin_ip_whitelist_file'] = '/usr/local/ispconfig/security/admin_ip.whitelist';
 
 ?>