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From "Andrew Wang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-13316) Enforce Kerberos authentication for required ops in DelegationTokenAuthenticator
Date Tue, 28 Jun 2016 01:46:57 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-13316?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrew Wang updated HADOOP-13316:
---------------------------------
    Summary: Enforce Kerberos authentication for required ops in DelegationTokenAuthenticator
 (was: Delegation Tokens should not be renewed or retrieved using delegation token authentication)

> Enforce Kerberos authentication for required ops in DelegationTokenAuthenticator
> --------------------------------------------------------------------------------
>
>                 Key: HADOOP-13316
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13316
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: kms, security
>    Affects Versions: 2.6.0
>            Reporter: Xiao Chen
>            Assignee: Xiao Chen
>            Priority: Blocker
>         Attachments: HADOOP-13316.01.patch
>
>
> Delegation tokens are supposed to be exchanged in a secure authentication, for security
concerns.
> For example, HDFS [only distribute or renew a delegation token under kerberos authentication|https://github.com/apache/hadoop/blob/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java#L5164]
> {{DelegationTokenAuthenticationHandler}} used by KMS + HTTPFS doesn't follow this now,
and poses security concerns. Details in comments.



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