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https://issues.apache.org/jira/browse/AMBARI-11687?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Emil Anca updated AMBARI-11687:
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Attachment: AMBARI-11687.patch
> Kerberos: Force principal names to resolve to lowercase lower usernames in
> auth-to-local default rules
> ------------------------------------------------------------------------------------------------------
>
> Key: AMBARI-11687
> URL: https://issues.apache.org/jira/browse/AMBARI-11687
> Project: Ambari
> Issue Type: Bug
> Components: ambari-server
> Affects Versions: 2.0.1
> Reporter: Emil Anca
> Assignee: Emil Anca
> Priority: Critical
> Fix For: 2.1.0
>
> Attachments: AMBARI-11687.patch
>
>
> Force principals names to resolve to lowercase local usernames in
> auth-to-local rules. This will help when the KDC is an MIT KDC or an Active
> Directory and user accounts have uppercase letters that need to be converted
> to lowercase letters. For example: {{USER1234@REALM}} should resolve to
> {{user1234}}.
> *Solution*
> # Provide a kerberos-env configuration to optionally create case-insensitive
> rules
> # If creating case-insensitive rules, _generic_ auth-to-local rules should
> contain the {{L}} option, as in:
> {code}
> RULE:[1:$1@$0](.*@REALM)s/@.*///L
> {code}
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