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https://issues.apache.org/jira/browse/HADOOP-8098?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13218419#comment-13218419
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Tom White commented on HADOOP-8098:
-----------------------------------
+1
> KerberosAuthenticatorHandler should use _HOST replacement to resolve
> principal name
> -----------------------------------------------------------------------------------
>
> Key: HADOOP-8098
> URL: https://issues.apache.org/jira/browse/HADOOP-8098
> Project: Hadoop Common
> Issue Type: Improvement
> Components: security
> Affects Versions: 0.24.0, 0.23.2
> Reporter: Alejandro Abdelnur
> Assignee: Alejandro Abdelnur
> Fix For: 0.23.2
>
> Attachments: HADOOP-8098.patch
>
>
> Currently the exact Kerberos principal name has to be set in the
> configuration of each node.
> KerberosAuthenticatorHandler should do similar logic as the RPC ports to
> support HTTP/_HOST@REALM
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