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From "Tsz Wo (Nicholas), SZE (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-3854) org.apache.hadoop.http.HttpServer should support user configurable filter
Date Tue, 05 Aug 2008 00:24:44 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-3854?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12619756#action_12619756
] 

Tsz Wo (Nicholas), SZE commented on HADOOP-3854:
------------------------------------------------

bq. Ah, so the motivating use-case is authentication. Should we address this more directly
then? With the proposed general mechanism, one might have to be careful to disable it for
shuffle transfers, and once configured, adding a second filter for logging might be tricky.
We currently really only want this for authentication on user-facing web interfaces, right?

The filter mapping will solve the problem.  We could exclude the web pages for shuffle transfers.
 For adding a second filter, administrators could define a filter chain via filter mapping.

> 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, LoggingFilter.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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