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https://issues.apache.org/jira/browse/HADOOP-13008?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15247915#comment-15247915
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Larry McCay commented on HADOOP-13008:
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Quick status: I am trying to write tests for this filter without Servlet 3
additions to HttpServletResponse for getting headers, headernames, etc. I
should have a patch at some point this week.
> Add XFS Filter for UIs to Hadoop Common
> ---------------------------------------
>
> Key: HADOOP-13008
> URL: https://issues.apache.org/jira/browse/HADOOP-13008
> Project: Hadoop Common
> Issue Type: New Feature
> Components: security
> Reporter: Larry McCay
> Assignee: Larry McCay
> Fix For: 2.8.0
>
>
> Cross Frame Scripting (XFS) prevention for UIs can be provided through a
> common servlet filter. This filter will set the X-Frame-Options HTTP header
> to DENY unless configured to another valid setting.
> There are a number of UIs that could just add this to their filters as well
> as the Yarn webapp proxy which could add it for all it's proxied UIs - if
> appropriate.
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