Now, we will use the MQTT.fx GUI utility to generate another MQTT client that uses an encrypted connection and TLS client authentication to publish messages to a topic that matches the topic filter we used for the subscription, sensors/hexacopter25/altitude. We have to make changes to the connection options we used when we enabled TLS. We have to specify the client certificate and client key files. Follow these steps:
- Launch MQTT.fx and click Disconnect if you were connected to the Mosquitto MQTT server.
- Select local mosquitto in the drop-down located in the upper-left corner and click on the configuration icon at the right-hand side of this drop-down and at the left-hand side of the Connect ...
