diff --git a/mosquitto/config/mosquitto.conf b/mosquitto/config/mosquitto.conf
index d3dd04c..3914a8b 100644
--- a/mosquitto/config/mosquitto.conf
+++ b/mosquitto/config/mosquitto.conf
@@ -24,7 +24,7 @@ log_timestamp true
 # Authentifizierung
 # Aktiviert bei Erstinstallation - Admin User wird durch Sync konfiguriert
 # allow_anonymous false
-allow_anonymous true
+allow_anonymous false
 password_file /mosquitto/config/password.txt
 
 # Access Control List