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https://issues.apache.org/jira/browse/HDFS-15973?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17321969#comment-17321969
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zhuobin zheng commented on HDFS-15973:
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In fact, I also tried to rewrite it, and finally I found this method:D
> RBF: Add permission check before doting router federation rename.
> -----------------------------------------------------------------
>
> Key: HDFS-15973
> URL: https://issues.apache.org/jira/browse/HDFS-15973
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Jinglun
> Assignee: Jinglun
> Priority: Major
> Attachments: HDFS-15973.001.patch
>
>
> The router federation rename is lack of permission check. It is a security
> issue.
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