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https://issues.apache.org/jira/browse/KAFKA-4814?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15961176#comment-15961176
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Gwen Shapira commented on KAFKA-4814:
-------------------------------------
Hey guys,
I think this is going to be late for 0.10.2.1, so I'm moving the fixVersion.
Sorry about that, but there are so many important bug fixes that I don't want
to delay the release.
I'll revisit if we do another RC, so keep on the good work :)
> ZookeeperLeaderElector not respecting zookeeper.set.acl
> -------------------------------------------------------
>
> Key: KAFKA-4814
> URL: https://issues.apache.org/jira/browse/KAFKA-4814
> Project: Kafka
> Issue Type: Bug
> Components: security
> Affects Versions: 0.10.1.1
> Reporter: Stevo Slavic
> Assignee: Rajini Sivaram
> Labels: newbie
> Fix For: 0.11.0.0
>
>
> By [migration
> guide|https://kafka.apache.org/documentation/#zk_authz_migration] for
> enabling ZooKeeper security on an existing Apache Kafka cluster, and [broker
> configuration
> documentation|https://kafka.apache.org/documentation/#brokerconfigs] for
> {{zookeeper.set.acl}} configuration property, when this property is set to
> false Kafka brokers should not be setting any ACLs on ZooKeeper nodes, even
> when JAAS config file is provisioned to broker.
> Problem is that there is broker side logic, like one in
> {{ZookeeperLeaderElector}} making use of {{JaasUtils#isZkSecurityEnabled}},
> which does not respect this configuration property, resulting in ACLs being
> set even when there's just JAAS config file provisioned to Kafka broker while
> {{zookeeper.set.acl}} is set to {{false}}.
> Notice that {{JaasUtils}} is in {{org.apache.kafka.common.security}} package
> of {{kafka-clients}} module, while {{zookeeper.set.acl}} is broker side only
> configuration property.
> To make it possible without downtime to enable ZooKeeper authentication on
> existing cluster, it should be possible to have all Kafka brokers in cluster
> first authenticate to ZooKeeper cluster, without ACLs being set. Only once
> all ZooKeeper clients (Kafka brokers and others) are authenticating to
> ZooKeeper cluster then ACLs can be started being set.
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