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https://issues.apache.org/jira/browse/HADOOP-15222?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16361799#comment-16361799
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Eric Yang commented on HADOOP-15222:
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[~lmccay] Sorry, until a better proposal is feasible to secure /log and /jmx,
there is no good enough reason to justify the revert of HADOOP-13119.
[~arpitagarwal]'s report was not valid on HADOOP-13119, and HADOOP-13119 does
provide better security for authorized users than anonymous to access /log. I
can not agree on the revert on HADOOP-13119 at this time.
> Refine proxy user authorization to support multiple ACL list
> ------------------------------------------------------------
>
> Key: HADOOP-15222
> URL: https://issues.apache.org/jira/browse/HADOOP-15222
> Project: Hadoop Common
> Issue Type: Bug
> Components: security
> Affects Versions: 3.0.0
> Reporter: Eric Yang
> Priority: Major
>
> This Jira is responding to follow up work for HADOOP-14077. The original
> goal of HADOOP-14077 is to have ability to support multiple ACL lists. When
> checking for proxy user authorization in AuthenticationFilter to ensure there
> is a way to authorize normal users and admin users using separate proxy users
> ACL lists. This was suggested in HADOOP-14060 to configure
> AuthenticationFilterWithProxyUser this way:
> AuthenticationFilterWithProxyUser->StaticUserWebFilter->AuthenticationFIlterWithProxyUser
> This enables the second AuthenticationFilterWithProxyUser validates both
> credentials claim by proxy user, and end user.
> However, there is a side effect that unauthorized users are not properly
> rejected with 403 FORBIDDEN message if there is no other web filter
> configured to handle the required authorization work.
> This JIRA is intend to discuss the work of HADOOP-14077 by either combine
> StaticUserWebFilter + second AuthenticationFilterWithProxyUser into a
> AuthorizationFilterWithProxyUser as a final filter to evict unauthorized
> user, or revert both HADOOP-14077 and HADOOP-13119 to eliminate the false
> positive in user authorization.
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