What is a TLS certificate and how to use it? | Presentation with Q&A

In this video, Roger Light, the Lead Developer of Pro Edition for Eclipse Mosquitto, explains what TLS certificates are and how they work.

According to Roger, “This topic is not straightforward if you are fortunate not to think about that every day.” And our team cannot agree more with this statement! That is why we decided to share this presentation with the wider developer community and are thrilled to hear back from you!

Here are the questions that Roger covers in his presentation:

✅ What are TLS certificates?
✅ What process should one go through to create a TLS certificate?
✅ What does a TLS certificate contain?
✅ What are server certificates?
✅ What are client certificates?
✅ How to use the client and server certificates?
✅ What are the differences between the client and server certificates?

Bonus questions

✅ What are the examples of extensions to certificates?
✅ How to revoke a certificate?
✅ Can servers and clients trust multiple certificates at the same time?

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What is Pro Edition for Eclipse Mosquitto?

Pro Edition for Eclipse Mosquitto is a pro version of the world's #1 MQTT broker that quickly, stably, and reliably transmits data between IoT devices.

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Timestamps:

00:56 - What are TLS certificates?
02:13 -What process should one go through to create a TLS certificate?
05:59 - What does a TLS certificate contain?
09:11 - What are server certificates?
11:18 - What are client certificates?
12:18 - How to use the client and server certificates?
18:06 - What are the differences between the client and server certificates?
19:21- What are the examples of extensions to certificates?
20:32- How to revoke a certificate?
21:08 - Can servers and clients trust multiple certificates at the same time?