diff --git a/gns3server/web/route.py b/gns3server/web/route.py
index 8cf70b0b..92b28bd8 100644
--- a/gns3server/web/route.py
+++ b/gns3server/web/route.py
@@ -90,6 +90,9 @@ class Route(object):
 
         :returns: Response if you need to auth the user otherwise None
         """
+        if not server_config.getboolean("auth", False):
+            return
+
         user = server_config.get("user", "").strip()
         password = server_config.get("password", "").strip()