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https://issues.apache.org/jira/browse/HADOOP-3854?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12620783#action_12620783
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Tsz Wo (Nicholas), SZE commented on HADOOP-3854:
------------------------------------------------

Since we define the filter mapping for the user-facing pages only, the 
non-user-facing pages won't trigger filters.  So if their is a user-defined 
authentication filter, it won't protect the non-user-facing pages.

The non-user-facing pages should use hadoop internal authentication mechanism 
(currently, we use UGI) but not a user-defined authentication filter.  
Otherwise, we have to provide a plug-in framework for users to integrate their 
authentication technology to hadoop.

> org.apache.hadoop.http.HttpServer should support user configurable filter
> -------------------------------------------------------------------------
>
>                 Key: HADOOP-3854
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3854
>             Project: Hadoop Core
>          Issue Type: New Feature
>            Reporter: Tsz Wo (Nicholas), SZE
>         Attachments: 3854_20080729.patch, 3854_20080730.patch, 
> 3854_20080805.patch, 3854_20080806.patch, 3854_20080807.patch, 
> LoggingFilter.java, LoggingFilterConfiguration.java, SampleInitializer.java
>
>
> Filters provide universal functions such as authentication, logging and 
> auditing, etc.  HttpServer should support configurable filters, so that 
> individual site administrators could possibly configure filters for their web 
> site.

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