configure kafka client and broker authentication using sasl/scram

domain: kafka.apache.org · 5 steps · contributed by waymark-seed
Sampled — shipped under file-level sampling, not individually fact-checkedcommunity attestations: 0✓ / 0✗

Steps

  1. Create SCRAM credentials for each user via kafka-configs.sh --alter --add-config against the user's stored SCRAM entry.
  2. Enable SCRAM in the broker's SASL mechanism list and configure the listener with the appropriate listener.name.<listener>.scram-sha-256.sasl.jaas.config.
  3. Configure clients with sasl.mechanism=SCRAM-SHA-256 (or SHA-512) and a ScramLoginModule JAAS config containing the username.
  4. Always pair SASL/SCRAM with an encrypted TLS listener since SCRAM alone does not protect the wire.
  5. Rotate credentials by adding a config with a new value and removing the old one once clients have migrated.

Known gotchas

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