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https://issues.apache.org/jira/browse/HDFS-6605?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Wang resolved HDFS-6605.
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Resolution: Fixed
Fix Version/s: fs-encryption (HADOOP-10150 and HDFS-6134)
> 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
> Fix For: fs-encryption (HADOOP-10150 and HDFS-6134)
>
> 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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