1 files changed, 4 insertions, 0 deletions
diff --git a/execute.php b/execute.php
index 72f7d0b..49e04df 100644
--- a/execute.php
+++ b/execute.php
@@ -19,6 +19,10 @@
  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
  */
 
+if (!defined('LOOKING_GLASS01')) {
+  exit;
+}
+
 require_once 'config.php';
 require_once 'router.php';
 require_once 'utils.php';