JWT Authentication and JWKS Endpoint in MQTT: Principle and a Hands-on Guide

Authentication is an important means to ensure the security of MQTT services. EMQX provides various authentication methods, such as Password-Based Authentication, Token-Based Authentication, and Enhanced Authentication for users to choose.

This article will introduce the basic principles of Token-Based Authentication based on JWT (JSON Web Token, an open standard that defines how to pass JSON objects between web applications), and how to build your own JWKS Endpoint.

What is Token-Based Authentication?

When we use Password-Based Authentication in EMQX, the …

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