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https://issues.apache.org/jira/browse/KAFKA-8843?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16976893#comment-16976893
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Kelly Schoenhofen commented on KAFKA-8843:
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Question, does ZK 3.5.6 allow for SSL (TLS, but let's say SSL to keep in line
with the documentation) from Kafka? Not SASL_SSL, just plain SSL. Is that what
this Jira is for? I have quorum TLS working in ZK 3.5.6, I added a tls-secured
listener, but as of yet I can't quite get Kafka to connect to it:
{{[2019-11-18 15:03:11,545] INFO Opening socket connection to server
xxx/x.x.x.x:2182. Will not attempt to authenticate using SASL (unknown error)
(org.apache.zookeeper.ClientCnxn)}}
is the closest I have come, but I didn't want do to SASL_SSL, I just want to
secure the traffic between Kafka and ZooKeeper using TLS 1.2 and a specific
class of cipher, like TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384, and enforce the CN
name on each side to match each other's cert & trusted cert stores (like how
ZooKeeper Quorum TLS works).
> Zookeeper migration tool support for TLS
> ----------------------------------------
>
> Key: KAFKA-8843
> URL: https://issues.apache.org/jira/browse/KAFKA-8843
> Project: Kafka
> Issue Type: Bug
> Reporter: Pere Urbon-Bayes
> Assignee: Pere Urbon-Bayes
> Priority: Minor
>
> Currently zookeeper-migration tool works based on SASL authentication. What
> means only digest and kerberos authentication is supported.
>
> With the introduction of ZK 3.5, TLS is added, including a new X509
> authentication provider.
>
> To support this great future and utilise the TLS principals, the
> zookeeper-migration-tool script should support the X509 authentication as
> well.
>
> In my newbie view, this should mean adding a new parameter to allow other
> ways of authentication around
> [https://github.com/apache/kafka/blob/trunk/core/src/main/scala/kafka/admin/ZkSecurityMigrator.scala#L65.
>
> |https://github.com/apache/kafka/blob/trunk/core/src/main/scala/kafka/admin/ZkSecurityMigrator.scala#L65]
>
> If I understand the process correct, this will require a KIP, right?
>
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