port 1883 protocol mqtt autosave_interval 1800 port 8883 protocol mqtt certfile /etc/ssl/cert.pem cafile /etc/ssl/chain.pem keyfile /etc/ssl/privkey.pem persistence true persistence_location /var/lib/mosquitto/ persistence_file mosquitto.db log_dest syslog log_dest stdout log_dest topic log_type error log_type warning log_type notice log_type information log_type debug connection_messages true log_timestamp true allow_anonymous false password_file /etc/mosquitto/pwfile