delegation.token.secret.key — Kafka Broker Configuration
Secret key to generate and verify delegation tokens. The same key must be configured across all the brokers.
Description
Secret key to generate and verify delegation tokens. The same key must be configured across all the brokers. If using Kafka with KRaft, the key must also be set across all controllers. If the key is not set or set to empty string, brokers will disable the delegation token support.
Default Values by Kafka Version
| Kafka Version | Default Value |
|---|---|
| 2.8 | null |
| 3.0 | null |
| 3.1 | null |
| 3.2 | null |
| 3.3 | null |
| 3.4 | null |
| 3.5 | null |
| 3.6 | null |
| 3.7 | null |
| 3.8 | null |
| 3.9 | null |
| 4.0 | null |
| 4.1 | null |
| 4.2 | null |
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