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https://issues.apache.org/jira/browse/AMBARI-18813?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Levas updated AMBARI-18813:
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Status: Patch Available (was: Open)
> Optionally force username from LDAP authentication data to be lowercase in
> Ambari
> ---------------------------------------------------------------------------------
>
> Key: AMBARI-18813
> URL: https://issues.apache.org/jira/browse/AMBARI-18813
> Project: Ambari
> Issue Type: Bug
> Components: ambari-server
> Affects Versions: 2.4.0
> Reporter: Robert Levas
> Assignee: Robert Levas
> Labels: ldap
> Fix For: 2.5.0
>
> Attachments: AMBARI-18813_branch-2.5_01.patch,
> AMBARI-18813_trunk_01.patch
>
>
> Optionally force username from LDAP authentication data to be lowercase in
> Ambari based on LDAP import configuration.
> In some cases the username declared in the relevant LDAP object is in all
> uppercase characters when the local Hadoop cluster expects the username to be
> all lowercase. As of Ambari 2.4.0, the username specified from the LDAP data
> is used to override the username known to Ambari. This overwritten data may
> be in all uppercase characters, potentially breaking local username
> conventions.
> To help this scenario, provide a configuration option to force the username
> obtained from the LDAP object to be converted to all lowercase character.
> For example {{authentication.ldap.usernameAttribute.forceLowercase}}.
> This optional configuration value is to default to false to maintain current
> functionality.
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