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https://issues.apache.org/jira/browse/RANGER-606?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14694893#comment-14694893
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Madhan Neethiraj commented on RANGER-606:
-----------------------------------------

>>Existing UI for create/edit policies in Ranger Admin will include an option, 
>>named 'Policy Type', with 'Allow' and 'Deny' as valid values. Default value 
>>will be 'Allow'.
>>>> Why are using the existing policy screen? It would add to the complexity 
>>>> of managing a policy. The deny should be part of a separate UI screen, imo.
How would the UI for deny policy be different from allow policy? I think the 
content will exactly be the same - resources, multiple policyItems with { 
users/groups, access-types, custom-conditions }. This will enable creating 
policies like:
 - deny US-employees access to specific tables
 - deny all users write access to specific files during specific time slots in 
a day

> Add support for deny policies 
> ------------------------------
>
>                 Key: RANGER-606
>                 URL: https://issues.apache.org/jira/browse/RANGER-606
>             Project: Ranger
>          Issue Type: Bug
>          Components: admin, plugins
>    Affects Versions: 0.5.0
>            Reporter: Madhan Neethiraj
>            Assignee: Madhan Neethiraj
>             Fix For: 0.5.0
>
>
> Currently Ranger supports creation of policies that can allow access when 
> specific conditions are met (for example, resources, user, groups, 
> access-type, custom-conditions..). In addition to this, having the ability to 
> create policies that deny access for specific conditions will help address 
> many usecases, like:
> - deny access for specific users/groups/ip-addresses/time-of-day
> - deny access when specific conditions are met - like 
> resources/users/groups/access-types/custom-conditions



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