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From "Daryn Sharp (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-8779) Use tokens regardless of authentication type
Date Wed, 17 Oct 2012 21:06:04 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-8779?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13478377#comment-13478377
] 

Daryn Sharp commented on HADOOP-8779:
-------------------------------------

The RPC client will use DIGEST-MD5 if and only if there's a token in the UGI.  The rpc client
used to only look for tokens if auth is kerberos, but HADOOP-8784 changed the client to always
look for tokens regardless of auth method.  I believe your real question, which is legitimate,
is whether the job client chooses to get fs tokens.  We can discuss that on this jira because
it's unrelated to 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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