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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5796) The file system browser in the namenode UI requires SPNEGO.
Date Thu, 12 Feb 2015 19:46:12 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5796?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14318856#comment-14318856
] 

Allen Wittenauer commented on HDFS-5796:
----------------------------------------

The irony is that our handler is using the AltKerberos code (which means it does support SPNEGO).
 However WebHDFS still requires us mucking about with dfs.web.authentication.filter rather
than inherit from the global setting.  HDFS-5716 seems like a bug rather than a feature at
this point. :(  

(I also found HDFS-7033 while researching why our auth bits aren't working. So now I feel
stupid as well as perplexed trying to get this feature to work.)

> 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, HDFS-5796.2.patch, HDFS-5796.3.patch,
HDFS-5796.3.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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