[jira] [Updated] (HADOOP-10650) Add ability to specify a reverse ACL (black list) of users and groups

["Benoy Antony (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HADOOP-10650?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Benoy Antony updated HADOOP-10650:
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    Summary: Add ability to specify a reverse ACL (black list) of users and groups  (was: Add ability to specify a negative ACL (black list) of users and groups)

> Add ability to specify a reverse ACL (black list) of users and groups
> ---------------------------------------------------------------------
>
>                 Key: HADOOP-10650
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10650
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: security
>            Reporter: Benoy Antony
>            Assignee: Benoy Antony
>         Attachments: HADOOP-10650.patch
>
>
> Currently , it is possible to define a ACL (user and groups) for a service. To temporarily remove authorization for a set of users, administrator needs to remove the users from the specific group and this may be a lengthy process ( update ldap groups, flush caches on machines).
>  If there is a facility to define a negative ACL for services, then administrator can disable users by specifying the users in negative ACL. In other words, one can specify a whitelist of users and groups as well as a blacklist of users and groups. 
> One can also specify a default blacklist to disable the users from accessing any service.



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