What is MQTT authentication and how does it work?
MQTT authentication is a process that verifies the identity of clients connecting to an MQTT broker. It ensures that only authorized users can publish or subscribe to topics.
What methods are commonly used for MQTT authentication?
Common methods include username/password authentication, client certificates, and token-based authentication.
Can you explain how token-based authentication works in MQTT?
In token-based authentication, clients receive a token after logging in, which they then use to authenticate with the broker for a limited time.
Are there any security risks associated with MQTT authentication?
Yes, risks include token theft, weak passwords, and improper configuration of the broker, which can lead to unauthorized access.
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