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From "Benoy Antony (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-8381) Substitute _HOST with hostname for HTTP principals
Date Wed, 16 May 2012 16:03:04 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-8381?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13276840#comment-13276840

Benoy Antony commented on HADOOP-8381:

Thanks for the comments Aaron and Daryn.

The first part of the patch is redundant as replacePattern() has logic which sets fqdn to
localhost's fqdn.
I am attaching the new patch which removes this redundant code. 
> Substitute _HOST with hostname  for HTTP principals 
> ----------------------------------------------------
>                 Key: HADOOP-8381
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8381
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: security
>    Affects Versions: 0.22.0
>            Reporter: Benoy Antony
>            Assignee: Benoy Antony
>            Priority: Minor
>             Fix For: 0.22.1
>         Attachments: HOST-substitution-spnego.patch, HOST-substitution-spnego.patch
> SPNEGO based Web Authentication uses HTTP/fqdn@REALM as the kerberos principal for each
> Since it is difficult to modify the config for each host, a substitution feature where
_HOST gets replaced by fqdn is implemented. 
> The task is to provide similar feature for the kerberos principals used for SPNEGO principals

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