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https://issues.apache.org/jira/browse/HADOOP-5851?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12716401#action_12716401
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Kan Zhang commented on HADOOP-5851:
-----------------------------------

I can see that for encryption purpose you may still want to use SSL. In that 
case, I suggest you make it an option instead of the default behavior. The user 
has to explicitly specify this option to enable it.

> proxy to call LDAP for IP lookup and get user ID and directories, validate 
> requested URL
> ----------------------------------------------------------------------------------------
>
>                 Key: HADOOP-5851
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5851
>             Project: Hadoop Core
>          Issue Type: New Feature
>          Components: contrib/hdfsproxy
>            Reporter: zhiyong zhang
>            Assignee: zhiyong zhang
>            Priority: Critical
>         Attachments: HADOOP-5851.patch, HADOOP-5851.patch, HADOOP-5851.patch
>
>
> It is easy to manage user accounts using LDAP. by adding support for LDAP, 
> proxy can do IP authorization in a headless fashion. 
> when a user send a request, proxy extract IP address and request PathInfo 
> from the request. then it searches the LDAP server to get the allowed HDFS 
> root paths given the IP address. Proxy will match the user request PathInfo 
> with the allowed HDFS root path, return 403 if it could not find a match. 

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