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https://issues.apache.org/jira/browse/AMBARI-12263?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15388728#comment-15388728
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Vishal Ghugare commented on AMBARI-12263:
-----------------------------------------

Thank you for your input Henning.

I am creating a new patch to address remarks 1 & 4. 

Revoke Privileges: The patch already revokes the privileges if a user no longer 
belongs to, for example, "admin group". Once a user is authenticated via PAM, 
we retrieve all the groups a user belongs to and update user-group membership.

Please feel free to let me know if you have any questions.

> Support PAM as authentication mechanism for accessing Ambari UI/REST
> --------------------------------------------------------------------
>
>                 Key: AMBARI-12263
>                 URL: https://issues.apache.org/jira/browse/AMBARI-12263
>             Project: Ambari
>          Issue Type: Story
>          Components: ambari-server, ambari-web
>    Affects Versions: trunk
>            Reporter: Eric Yang
>            Assignee: Vishal Ghugare
>              Labels: security
>             Fix For: trunk
>
>         Attachments: AMBARI-12263_trunk.patch
>
>
> Ambari GUI is using default "admin" user which is not a real user in 
> operating system.  Some company has strict password policy which can not be 
> enforced to Ambari.  It would be good to implement a Shiro PAM connector to 
> authenticate user by Linux user credential.



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