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From "Haohui Mai (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5796) The file system browser in the namenode UI requires SPNEGO.
Date Thu, 20 Nov 2014 21:54:35 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5796?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14220080#comment-14220080
] 

Haohui Mai commented on HDFS-5796:
----------------------------------

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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