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https://issues.apache.org/jira/browse/HDFS-1150?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12894412#action_12894412
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Jakob Homan commented on HDFS-1150:
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bq. I would in fact argue that both of these solutions are more secure
OK, do so if you wish. But I'm not sure who you're arguing with since I'm
trying to work with you to get your request into the code and have already
agreed that the jsvc approach is not perfect. Regardless, this is a
significant change to the current patch and, after all of the work that we've
done, we're trying to keep the y20 and trunk patches as similar as possible.
Therefore, as I wrote above, I will be happy to open a new JIRA to add this
functionality once 1150 has been finished off
(https://issues.apache.org/jira/browse/HDFS-1150?focusedCommentId=12894236&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#action_12894236).
> 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: commons-daemon-1.0.2-src.tar.gz,
> HDFS-1150-BF-Y20-LOG-DIRS-2.patch, HDFS-1150-BF-Y20-LOG-DIRS.patch,
> HDFS-1150-BF1-Y20.patch, hdfs-1150-bugfix-1.1.patch,
> hdfs-1150-bugfix-1.2.patch, hdfs-1150-bugfix-1.patch, HDFS-1150-trunk.patch,
> HDFS-1150-Y20-BetterJsvcHandling.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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