April 2017
Intermediate to advanced
280 pages
6h 18m
English
Content preview from MQTT Essentials - A Lightweight IoT ProtocolBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Testing the MQTT TLS configuration with MQTT-spy
Now, we will use the MQTT-spy GUI utility to generate another MQTT client that uses an encrypted connection to publish messages to another topic that will match the sensors/+/altitude topic filter, sensors/drone500/altitude. Follow the next steps:
- Launch MQTT-spy.
- Select Connections | New connection or Connections | Manage connections in case you were already running MQTT-spy or have saved previous settings. The Connection list dialog box will appear.
- Click on the Connectivity tab and make sure MQTT 3.1.1 is selected in the Protocol version dropdown.
- Click on the Security tab and on the TLS tab below the User auth. tab.
- Select CA certificate& client certificate/key in the TLS/SSL mode dropdown.
- Select ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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