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https://issues.apache.org/jira/browse/HADOOP-9296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13639471#comment-13639471
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Daryn Sharp commented on HADOOP-9296:
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Err, "manifests in your *no* cross-realm trust environment"
> Authenticating users from different realm without a trust relationship
> ----------------------------------------------------------------------
>
> Key: HADOOP-9296
> URL: https://issues.apache.org/jira/browse/HADOOP-9296
> Project: Hadoop Common
> Issue Type: Improvement
> Components: security
> Reporter: Benoy Antony
> Assignee: Benoy Antony
> Attachments: HADOOP-9296-1.1.patch, multirealm.pdf
>
>
> Hadoop Masters (JobTracker and NameNode) and slaves (Data Node and
> TaskTracker) are part of the Hadoop domain, controlled by Hadoop Active
> Directory.
> The users belong to the CORP domain, controlled by the CORP Active Directory.
> In the absence of a one way trust from HADOOP DOMAIN to CORP DOMAIN, how will
> Hadoop Servers (JobTracker, NameNode) authenticate CORP users ?
> The solution and implementation details are in the attachement
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