[jira] [Work started] (HADOOP-8381) Substitute _HOST with hostname for HTTP principals

["Benoy Antony (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HADOOP-8381?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on HADOOP-8381 started by Benoy Antony.

> 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
>
>
> SPNEGO based Web Authentication uses HTTP/fqdn@REALM as the kerberos principal for each host.
> 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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