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https://issues.apache.org/jira/browse/HADOOP-8779?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13479272#comment-13479272
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Kan Zhang commented on HADOOP-8779:
-----------------------------------
There could be connections that can be of either type (don't care), in which
case any legal auth method can be used. When multiple auth methods (or multiple
credentials for the same auth method, e.g., multiple types of tokens) may be
used, how to support automatic failover from one method/credential to another
is another thing to consider.
> 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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