--- index_orig.php      2014-08-07 12:00:35.000000000 +0200
+++ index.php   2014-08-07 12:00:54.000000000 +0200
@@ -51,9 +51,9 @@
 $config = select_config();

 if ($config['authentication_type'] == ZBX_AUTH_HTTP) {
-       if (!empty($_SERVER['PHP_AUTH_USER'])) {
+       if (!empty($_SERVER['REMOTE_USER'])) {
                $_REQUEST['enter'] = _('Sign in');
-               $_REQUEST['name'] = $_SERVER['PHP_AUTH_USER'];
+               $_REQUEST['name'] = $_SERVER['REMOTE_USER'];
        }
        else {
                access_deny();