Details
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Improvement
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Status: Open
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Minor
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Resolution: Unresolved
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None
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None
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None
Description
In the process of working on https://github.com/apache/kafka/pull/11478 we realized that Kafka does not do any hostname validation when parsing listener configurations. It would be ideal to investigate hostname validation so that we can eagerly short-circuit on invalid hostnames rather than the current behaviour (this needs to be verified).