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https://issues.apache.org/jira/browse/HDFS-6605?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14050841#comment-14050841
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Andrew Wang commented on HDFS-6605:
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Great, thanks Charles. I'll commit this shortly; [~hitliuyi] if you have any
more comments I'd be happy to do them in a follow-on :)
> Client server negotiation of cipher suite
> -----------------------------------------
>
> Key: HDFS-6605
> URL: https://issues.apache.org/jira/browse/HDFS-6605
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: security
> Affects Versions: fs-encryption (HADOOP-10150 and HDFS-6134)
> Reporter: Andrew Wang
> Assignee: Andrew Wang
> Attachments: hdfs-6605.001.patch, hdfs-6605.002.patch
>
>
> For compatibility purposes, the client and server should negotiate what
> cipher suite to use based on their respective capabilities. This is also a
> way for the server to reject old clients that do not support encryption.
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