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From "Ryan Sasson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-10709) Reuse Filters across web apps
Date Tue, 10 Mar 2015 23:44:39 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-10709?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14355961#comment-14355961
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Ryan Sasson commented on HADOOP-10709:
--------------------------------------

Refer to http://hadoop.apache.org/docs/r2.5.1/hadoop-project-dist/hadoop-common/HttpAuthentication.html
for more information. The same configs also apply to hdfs-site.xml (excluding hadoop.http.filter.initializers)
but with the prefix "dfs.web.authentication." You need to create a jar which contains a subclass
of the AltKerberosAuthenticationHandler class with some custom implementation of the alternateAuthenticate()
method. In short you need to do more than set some configs in order to enable an alt-kerberos
auth handler.

> Reuse Filters across web apps
> -----------------------------
>
>                 Key: HADOOP-10709
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10709
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: security
>            Reporter: Benoy Antony
>            Assignee: Benoy Antony
>         Attachments: HADOOP-10709-002.patch, HADOOP-10709.patch, configForFilterReuse.xml
>
>
> Currently, we need to define separate authentication filters for webhdfs and general
webui. This also involves defining parameters for those filters.
> It will be better if one could reuse filters for web apps if desired. 



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