What are the different authentication methods for MQTT brokers?
MQTT brokers typically support several authentication methods, including username/password, client certificates, and token-based authentication.
Can you explain how username/password authentication works?
In username/password authentication, clients provide a username and password to the broker during the connection process. The broker verifies these credentials before allowing access.
What about client certificates? How do they work?
Client certificates use SSL/TLS to authenticate clients. Each client has a unique certificate issued by a trusted Certificate Authority (CA), which the broker verifies.
Are there any security concerns with these methods?
Yes, using weak passwords or not properly managing certificates can lead to security vulnerabilities. It's essential to implement strong security practices.
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