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Eclipse Mosquitto


How to Connect to the MQTT-Broker

Follow these steps to connect to the MQTT-Broker:

MQTTX Web (Webbased)

  1. Install MQTTX Web from the Umbrel Appstore.
  2. use umbrel.local as server address.
  3. use Port 9021 as server port.
  4. Click connect and you should now be able to subscribe/publish to the topics you like.

MQTT Explorer (Windows)

  1. Install MQTT Explorer from mqtt-explorer.com.
  2. use umbrel.local as server address.
  3. use Port 1883 as server port.
  4. Click connect and you should now be able to subscribe/publish to the topics you like.

Use the access information above to configure devices and services to access the MQTT-Broker.


🚨 Heads up 🚨

If you plan to expose your MQTT-Broker to the internet you are strongly advised to configure authentification.

Change the configuration by following these steps to modify the mosquitto.conf manualy: