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https://issues.apache.org/jira/browse/KAFKA-675?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13534485#comment-13534485
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Matan commented on KAFKA-675:
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Sounds like a good plan Jay. getCanonicalHostName is probably more correct,
but it really only makes a difference if hostname is null in this case.
> Only bind to the interface declared in the 'hostname' config property
> ---------------------------------------------------------------------
>
> Key: KAFKA-675
> URL: https://issues.apache.org/jira/browse/KAFKA-675
> Project: Kafka
> Issue Type: Improvement
> Components: config, core
> Affects Versions: 0.8
> Reporter: Matan
> Priority: Minor
> Attachments: kafka-675.patch
>
>
> At the moment, Kafka always binds to all interfaces (0.0.0.0) which isn't
> ideal on some environments, even if the 'hostname' config parameter is set.
> Kafka should only bind to the interface set in the 'hostname' parameter -
> which defaults to InetAddress.getLocalHost.getHostAddress
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