Zeek doesn't see the MQTT traffic.

I am trying to work with the mqtt_publish and the mqtt_connect events**.** I have a mosquitto broker which is running locally on which I send messages from a sensor. I want to investigate those messages. However, I am not able to observe any values that should like c: connection. Even when I run it on the mqtt.pcap from here and again the previously mentioned events, it doesn’t produce any output. What may cause this problem?


MQTT analysis isn't enabled by default, you can `@load
policy/protocols/mqtt` to enable it.

    $ zeek -r mqtt_packets_tcpdump.pcap protocols/mqtt
    $ ls mqtt_*.log
    mqtt_connect.log mqtt_publish.log mqtt_subscribe.log

- Jon