diff --git a/config.py b/config.py
index 23297f2..966aa10 100644
--- a/config.py
+++ b/config.py
@@ -8,3 +8,7 @@ USERS = {
 
 # Tag for advertising, obtainable from @MTProxybot
 # AD_TAG = "3c09c680b76ee91a4c25ad51f742267d"
+
+# Uncommenting this do make a proxy harder to detect
+# But it can be incompatible with old clients
+# SECURE_ONLY = True