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From "Benoy Antony (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-10565) Support IP ranges (CIDR) in proxyuser.hosts
Date Fri, 02 May 2014 06:37:20 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-10565?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13987431#comment-13987431
] 

Benoy Antony commented on HADOOP-10565:
---------------------------------------

This patch delegates the ProxyUsers's ip/host name handling  to MachineList. 
MachineList does ip and host lookup faster. It also enables ability to specify ip ranges in
CIDR format.

> Support IP ranges (CIDR) in  proxyuser.hosts
> --------------------------------------------
>
>                 Key: HADOOP-10565
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10565
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: security
>            Reporter: Benoy Antony
>            Assignee: Benoy Antony
>         Attachments: HADOOP-10565.patch
>
>
> In some use cases, there will be many hosts from which the user can impersonate. 
> This requires specifying many ips  in the XML configuration. 
> It is cumbersome to specify and maintain long list of ips in proxyuser.hosts
> The problem can be solved if proxyuser.hosts accept ip ranges in CIDR format.



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