diff --git a/inc/inc.BasicAuthentication.php b/inc/inc.BasicAuthentication.php
new file mode 100644
index 000000000..8d9a69bdb
--- /dev/null
+++ b/inc/inc.BasicAuthentication.php
@@ -0,0 +1,41 @@
+<?php
+/**
+ * Do authentication of users and session management
+ *
+ * @category   DMS
+ * @package    SeedDMS
+ * @license    GPL 2
+ * @version    @version@
+ * @author     Markus Westphal, Malcolm Cowe, Uwe Steinmann <uwe@steinmann.cx>
+ * @copyright  Copyright (C) 2002-2005 Markus Westphal,
+ *             2006-2008 Malcolm Cowe, 2010 Uwe Steinmann
+ * @version    Release: @package_version@
+ */
+
+require_once("inc.Utils.php");
+require_once("inc.ClassNotificationService.php");
+require_once("inc.ClassEmailNotify.php");
+require_once("inc.ClassSession.php");
+require_once("inc.ClassAccessOperation.php");
+
+if (!isset($_SERVER['PHP_AUTH_USER'])) {
+	header('WWW-Authenticate: Basic realm="'.$settings->_siteName.'"');
+	header('HTTP/1.0 401 Unauthorized');
+	echo getMLText('cancel_basic_authentication');
+	exit;
+} else {
+	if(!($user = $authenticator->authenticate($_SERVER['PHP_AUTH_USER'], $_SERVER['PHP_AUTH_PW']))) {
+		header('WWW-Authenticate: Basic realm="'.$settings->_siteName.'"');
+		header('HTTP/1.0 401 Unauthorized');
+		echo getMLText('cancel_basic_authentication');
+		exit;
+	}
+}
+
+/* Clear login failures if login was successful */
+$user->clearLoginFailures();
+
+$dms->setUser($user);
+
+require_once('inc/inc.Notification.php');
+