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From "Benoy Antony (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5796) The file system browser in the namenode UI requires SPNEGO.
Date Thu, 20 Nov 2014 00:05:34 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5796?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14218745#comment-14218745
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Benoy Antony commented on HDFS-5796:
------------------------------------

Got it, Thanks [~asuresh]. The proposed solution has the following drawback: Users from browsers
cannot access the cluster as themselves. 

One approach would be to modify AuthFilter so that one can configure an _AuthenticationHandler_
of choice. 
In our clusters, I have taken a slightly different approach which is outlined in HADOOP-10709.


> 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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