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https://issues.apache.org/jira/browse/HADOOP-10863?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14111779#comment-14111779
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Benoy Antony edited comment on HADOOP-10863 at 8/27/14 3:29 AM:
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I too recommend for reusing _ServiceAuthorizationManager_ and 
_AccessControlList_ for this purpose. Note that _ServiceAuthorizationManager_ 
already supports ability to specify a blacklist via HADOOP-10650
I have been working on using _ServiceAuthorizationManager_  for authorizing 
webUI Access via HADOOP-10679. In this, I had added support to map a _String_ 
key to an ACL. 


was (Author: benoyantony):
I too recommend for reusing _ServiceAuthorizationManager_ and 
_AccessControlList_ for this purpose. Note that ServiceAuthorizationManager_ 
already supports ability to specify a blacklist via HADOOP-10650
I have been working on using _ServiceAuthorizationManager_  for authorizing 
webUI Access via HADOOP-10679. In this, I had added support to map a _String_ 
key to an ACL. 

> KMS should have a blacklist for decrypting EEKs
> -----------------------------------------------
>
>                 Key: HADOOP-10863
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10863
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: security
>    Affects Versions: 3.0.0
>            Reporter: Alejandro Abdelnur
>            Assignee: Arun Suresh
>         Attachments: HADOOP-10863.1.patch, HADOOP-10863.2.patch
>
>
> In particular, we'll need to put HDFS admin user there by default to prevent 
> an HDFS admin from getting file encryption keys.



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