KAFKA-18608: Add documentation for OAuth client assertion authentication (KIP-1258)#21859
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omkreddy merged 1 commit intoapache:trunkfrom Mar 30, 2026
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KAFKA-18608: Add documentation for OAuth client assertion authentication (KIP-1258)#21859omkreddy merged 1 commit intoapache:trunkfrom
omkreddy merged 1 commit intoapache:trunkfrom
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Thanks @prabhashkr. This is a lot better than before!
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…tion (KIP-1258) (#21859) - Add documentation for client assertion authentication support in the client_credentials grant type, introduced in https://cwiki.apache.org/confluence/display/KAFKA/KIP-1258 / PR #21483 - Document the three-tier fallback mechanism (file-based assertion > locally-generated assertion > client secret) - Add configuration examples for dynamically-generated assertions, pre-generated assertion files, and assertion template files - Clarify that DefaultJwtRetriever auto-delegates to `ClientCredentialsJwtRetriever` for HTTP/HTTPS endpoints, so `sasl.oauthbearer.jwt.retriever.class` does not need to be set explicitly in most cases - Update "Secure/Production Use" section to reference built-in JWT retriever implementations - Add security considerations for client assertion (replay protection via JTI, short-lived assertions) Reviewers: Kirk True <kirk@kirktrue.pro>, Manikumar Reddy <manikumar.reddy@gmail.com>
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merged to trunk and 4.3 |
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ClientCredentialsJwtRetrieverfor HTTP/HTTPS endpoints, sosasl.oauthbearer.jwt.retriever.classdoes not need to be set explicitly in most cases