Grant Henke created KAFKA-3208:
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Summary: Default security.inter.broker.protocol based on
configured advertised.listeners
Key: KAFKA-3208
URL: https://issues.apache.org/jira/browse/KAFKA-3208
Project: Kafka
Issue Type: Improvement
Reporter: Grant Henke
Assignee: Grant Henke
Currently the default security.inter.broker.protocol is plaintext. However,
when enabling Kerberos or SSL on a cluster it is common to not include a
PLAINTEXT listener which causes Kafka to fail startup (after KAFKA-3194).
To reduce the number of issues and make the configuration more convenient we
could default this value, if not explicitly set, to the first protocol defined
in the advertised.listeners configuration.
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