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https://issues.apache.org/jira/browse/ZOOKEEPER-1045?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15357850#comment-15357850
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Michael Han commented on ZOOKEEPER-1045:
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Dan, it happens that this patch does support this use case where server
credentials between nodes are shared. I just validated that in my Kerberos
cluster where nodes share same service principal in config and also same
keytabs (in fact, that is the only case so far I am able to get my cluster
working with server to server auth -_-). I am not sure if the support of such
use case is implicit, or by chance, or by design. I'll let others comment, but
what you pointed out seems a reasonable use case.
> Support Quorum Peer mutual authentication via SASL
> --------------------------------------------------
>
> Key: ZOOKEEPER-1045
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1045
> Project: ZooKeeper
> Issue Type: New Feature
> Components: server
> Reporter: Eugene Koontz
> Assignee: Rakesh R
> Priority: Critical
> Fix For: 3.4.9, 3.5.3
>
> Attachments: 0001-ZOOKEEPER-1045-br-3-4.patch,
> 1045_failing_phunt.tar.gz, ZK-1045-test-case-failure-logs.zip,
> ZOOKEEPER-1045-00.patch, ZOOKEEPER-1045-Rolling Upgrade Design Proposal.pdf,
> ZOOKEEPER-1045-br-3-4.patch, ZOOKEEPER-1045-br-3-4.patch,
> ZOOKEEPER-1045-br-3-4.patch, ZOOKEEPER-1045-br-3-4.patch,
> ZOOKEEPER-1045-br-3-4.patch
>
>
> ZOOKEEPER-938 addresses mutual authentication between clients and servers.
> This bug, on the other hand, is for authentication among quorum peers.
> Hopefully much of the work done on SASL integration with Zookeeper for
> ZOOKEEPER-938 can be used as a foundation for this enhancement.
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