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Date: Mon, 27 Aug 2007 17:59:31 -0700 (PDT)
From: "Tsz Wo (Nicholas), SZE (JIRA)" <jira@apache.org>
To: hadoop-dev@lucene.apache.org
Subject: [jira] Updated: (HADOOP-1701) Provide a simple authentication
 service and a user management service
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     [ https://issues.apache.org/jira/browse/HADOOP-1701?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tsz Wo (Nicholas), SZE updated HADOOP-1701:
-------------------------------------------

    Attachment: guides20070827.pdf

> Provide a simple authentication service and a user management service
> ---------------------------------------------------------------------
>
>                 Key: HADOOP-1701
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1701
>             Project: Hadoop
>          Issue Type: New Feature
>            Reporter: Tsz Wo (Nicholas), SZE
>            Assignee: Tsz Wo (Nicholas), SZE
>         Attachments: 1701_20070827b_framework.patch, guides20070827.pdf
>
>
> In HADOOP-1298, we want to add user information and permission to the file system.  It requires an authentication service and a user management service.  We should provide a framework and a simple implementation in issue and extend it later.  As discussed in HADOOP-1298, the framework should be extensible and pluggable.
> - Extensible: possible to extend the framework to the other parts (e.g. map-reduce) of Hadoop.
> - Pluggable: can easily switch security implementations.  Below is a diagram borrowed from Java.
> !http://java.sun.com/javase/6/docs/technotes/guides/security/overview/images/3.jpg!
> - Implement a Hadoop authentication center (HAC).  In the first step, the mechanism of HAC is very simple, it keeps track a list of usernames (we only support users, will work on other principals later) in HAC and verify username in user login (yeah, no password).  HAC can run inside NameNode or run as a stand alone server.   We will probably use Kerberos to provide more sophisticated authentication service.

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