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Date: Tue, 18 May 2010 12:50:45 -0400 (EDT)
From: "Owen O'Malley (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
Subject: [jira] Commented: (HDFS-1150) Verify datanodes' identities to
 clients in secure clusters
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    [ https://issues.apache.org/jira/browse/HDFS-1150?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12868726#action_12868726 ] 

Owen O'Malley commented on HDFS-1150:
-------------------------------------

The data nodes are required to authenticate as the hdfs user to the name node.

> Verify datanodes' identities to clients in secure clusters
> ----------------------------------------------------------
>
>                 Key: HDFS-1150
>                 URL: https://issues.apache.org/jira/browse/HDFS-1150
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>          Components: data-node
>    Affects Versions: 0.22.0
>            Reporter: Jakob Homan
>            Assignee: Jakob Homan
>         Attachments: HDFS-1150-BF1-Y20.patch, HDFS-1150-y20.build-script.patch, HDFS-1150-Y20S-ready-5.patch, HDFS-1150-Y20S-ready-6.patch, HDFS-1150-Y20S-ready-7.patch, HDFS-1150-Y20S-ready-8.patch, HDFS-1150-Y20S-Rough-2.patch, HDFS-1150-Y20S-Rough-3.patch, HDFS-1150-Y20S-Rough-4.patch, HDFS-1150-Y20S-Rough.txt
>
>
> Currently we use block access tokens to allow datanodes to verify clients' identities, however we don't have a way for clients to verify the authenticity of the datanodes themselves.

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