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https://issues.apache.org/jira/browse/HADOOP-8779?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13478331#comment-13478331
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Kan Zhang commented on HADOOP-8779:
-----------------------------------
On the server side, you can support both SIMPLE and DIEGST-MD5 (token)
simultaneously. It's up to the client to choose which method to use. But the
client side code needs to make a decision. Without an option to specify the
desired behavior, the client code can only default to one behavior. See more
discussion in HDFS-4056.
> Use tokens regardless of authentication type
> --------------------------------------------
>
> Key: HADOOP-8779
> URL: https://issues.apache.org/jira/browse/HADOOP-8779
> Project: Hadoop Common
> Issue Type: New Feature
> Components: fs, security
> Affects Versions: 3.0.0, 2.0.2-alpha
> Reporter: Daryn Sharp
> Assignee: Daryn Sharp
>
> Security is a combination of authentication and authorization (tokens).
> Authorization may be granted independently of the authentication model.
> Tokens should be used regardless of simple or kerberos authentication.
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