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https://issues.apache.org/jira/browse/HDFS-1033?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12844225#action_12844225
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Devaraj Das commented on HDFS-1033:
-----------------------------------
Looks good
> In secure clusters, NN and SNN should verify that the remote principal during
> image and edits transfer
> ------------------------------------------------------------------------------------------------------
>
> Key: HDFS-1033
> URL: https://issues.apache.org/jira/browse/HDFS-1033
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: security
> Reporter: Jakob Homan
> Assignee: Jakob Homan
> Attachments: HDFS-1033-Y20.patch
>
>
> Currently anyone can connect and download image/edits from Namenode. In a
> secure cluster we can verify the identity of the principal making the
> request; we should disallow requests from anyone except the NN and SNN
> principals (and their hosts due to the lousy KerbSSL limitation).
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