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Date: Mon, 29 Sep 2008 10:28:44 -0700 (PDT)
From: "Doug Cutting (JIRA)" <jira@apache.org>
To: core-dev@hadoop.apache.org
Subject: [jira] Commented: (HADOOP-4284) Support for user configurable
 global filters on HttpServer
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    [ https://issues.apache.org/jira/browse/HADOOP-4284?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12635458#action_12635458 ] 

Doug Cutting commented on HADOOP-4284:
--------------------------------------

Kan, this sounds good.  Thanks for bearing with me here.

> Support for user configurable global filters on HttpServer
> ----------------------------------------------------------
>
>                 Key: HADOOP-4284
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4284
>             Project: Hadoop Core
>          Issue Type: New Feature
>            Reporter: Kan Zhang
>         Attachments: 4284_20080925_78.patch, 4284_20080926_79.patch
>
>
> HADOOP-3854 introduced a framework for adding filters to filter browser facing urls. Sometimes, there is a need to filter all urls. For example, at Yahoo, we need to open an SSL port on the HttpServer and only accept hsftp requests from clients who can authenticate themselves using client certificate and is authorized according to certain policy file. For this to happen, we need a method to add a user configurable "global" filter, which filters on all client requests. For our purposes, such a global filter will block all https requests except those accessing the hsftp interface (it will let all http requests go through, so accesses through the normal http ports are unaffected). Moreover, those hsftp requests will be subject to further authorization checking according to the policy file.

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