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+<!DOCTYPE html>
+
+<!--
+  Copyright (c) 2016 Idiap Research Institute, http://www.idiap.ch/
+  Contact: beat.support@idiap.ch
+
+  This file is part of the beat.web module of the BEAT platform.
+
+  Commercial License Usage
+  Licensees holding valid commercial BEAT licenses may use this file in
+  accordance with the terms contained in a written agreement between you
+  and Idiap. For further information contact tto@idiap.ch
+
+  Alternatively, this file may be used under the terms of the GNU Affero
+  Public License version 3 as published by the Free Software and appearing
+  in the file LICENSE.AGPL included in the packaging of this file.
+  The BEAT platform 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.
+
+  You should have received a copy of the GNU Affero Public License along
+  with the BEAT platform. If not, see http://www.gnu.org/licenses/.
+-->
+
+<html>
+  <body>
+    <h1>Platform under Maintenance - Bad Gateway (502)</h1>
+
+    <p>The BEAT Platform is currently under maintenance. Please keep posted to
+    <a href="https://groups.google.com/forum/#!forum/beat-devel">our mailing
+      list at Google Groups</a> for updated information.</p>
+  </body>
+</html>