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  • KIP-554: Add Broker-side SCRAM Config API

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Comment: Remove requirement that altering when authenticated via delegation token be disallowed – it is now acceptable.

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The RPC will require ALTER on CLUSTER.  It will return CLUSTER_AUTHORIZATION_FAILED if the user has insufficient permissions.

It will disallow a user from altering any credential if the user authenticated with a delegation token and will return DELEGATION_TOKEN_REQUEST_NOT_ALLOWED in this case.It will be will be sent to the controller and will return NOT_CONTROLLER if the receiving broker is not the controller.

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