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https://issues.apache.org/jira/browse/HDFS-5796?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14220080#comment-14220080
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Haohui Mai commented on HDFS-5796:
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bq. Correct me if I am wrong, but prior to that, even on a secure cluster, Web
UI access was basically un-authenticated (as dr.who always)..
This has been called out a security vulnerability. The user has to authenticate
himself / herself before accessing any data in the cluster.
> The file system browser in the namenode UI requires SPNEGO.
> -----------------------------------------------------------
>
> Key: HDFS-5796
> URL: https://issues.apache.org/jira/browse/HDFS-5796
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 2.5.0
> Reporter: Kihwal Lee
> Assignee: Arun Suresh
> Attachments: HDFS-5796.1.patch, HDFS-5796.1.patch
>
>
> After HDFS-5382, the browser makes webhdfs REST calls directly, requiring
> SPNEGO to work between user's browser and namenode. This won't work if the
> cluster's security infrastructure is isolated from the regular network.
> Moreover, SPNEGO is not supposed to be required for user-facing web pages.
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