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Core Security ConceptsSASL (Simple Authentication and Security Layer): Handles identity verification during client-to-server connections, ensuring credential data is handled securely.SSL/TLS: Encrypts the data transmitted over the network. Relying on SASL alone leaves the payload unencrypted after a...

Enabling SASL/PLAIN Authentication in Kafka 2.4.0 To protect Kafka clusters exposed to untrusted networks, SASL/PLAIN authentication—paired with TLS ancryption—is implemented for secure client and inteer-broker communication. Broker-Side JAAS Configuration Create a JAAS configuration file (e.g., kaf...