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https://issues.apache.org/jira/browse/HADOOP-13119?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yuanbo Liu reopened HADOOP-13119:
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Reopen it. Because because for some links(such as "/jmx, /stack"), blocking the
links in filter chain because of impersonation issue is not friendly for users.
For example, user "sam" is not allowed to be impersonated by user "knox", the
link "/jmx" doesn't need any user to do authorization by default, and it only
needs user "knox" to do authentication, in this case, it's not right to block
the access in SPNEGO filter. We intend to verify the impersonation when the
method "getRemoteUser" of request is used, so that such kind of links would not
be blocked by mistake. I will attach a new patch ASAP.
> Web UI error accessing links which need authorization when Kerberos
> -------------------------------------------------------------------
>
> Key: HADOOP-13119
> URL: https://issues.apache.org/jira/browse/HADOOP-13119
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 2.8.0, 2.7.4
> Reporter: Jeffrey E Rodriguez
> Assignee: Yuanbo Liu
> Labels: security
> Fix For: 2.7.4, 2.8.1
>
> Attachments: HADOOP-13119.001.patch, HADOOP-13119.002.patch,
> HADOOP-13119.003.patch, HADOOP-13119.004.patch, HADOOP-13119.005.patch,
> HADOOP-13119.005.patch, screenshot-1.png
>
>
> User Hadoop on secure mode.
> login as kdc user, kinit.
> start firefox and enable Kerberos
> access http://localhost:50070/logs/
> Get 403 authorization errors.
> only hdfs user could access logs.
> Would expect as a user to be able to web interface logs link.
> Same results if using curl:
> curl -v --negotiate -u tester: http://localhost:50070/logs/
> HTTP/1.1 403 User tester is unauthorized to access this page.
> so:
> 1. either don't show links if hdfs user is able to access.
> 2. provide mechanism to add users to web application realm.
> 3. note that we are pass authentication so the issue is authorization to
> /logs/
> suspect that /logs/ path is secure in webdescriptor so suspect users by
> default don't have access to secure paths.
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