diff --git a/app.py b/app.py
index 8d498d4..827a2d5 100644
--- a/app.py
+++ b/app.py
@@ -253,6 +253,11 @@ def inject_has_authorized_cookie():
 
 @app.before_request
 def require_system_password():
+
+    ip = request.access_route[0]
+    if is_ip_blocked(ip):
+        abort(403)
+    
     if request.endpoint is None:
         return