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https://issues.apache.org/jira/browse/HADOOP-12691?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15086200#comment-15086200
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Larry McCay commented on HADOOP-12691:
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I will write up a quick design document for this filter and attach.
I intend to add it to the org/apache/hadoop/security/http/ package along side
CrossOriginFilter.java.
> Add CSRF Filter to Hadoop Common
> --------------------------------
>
> Key: HADOOP-12691
> URL: https://issues.apache.org/jira/browse/HADOOP-12691
> Project: Hadoop Common
> Issue Type: Bug
> Components: security
> Reporter: Larry McCay
> Assignee: Larry McCay
> Fix For: 3.0.0
>
>
> CSRF prevention for REST APIs can be provided through a common servlet
> filter. This filter would check for the existence of an expected
> (configurable) HTTP header - such as X-Requested-By.
> The fact that CSRF attacks are entirely browser based means that the above
> approach can ensure that requests are coming from either: applications served
> by the same origin as the REST API or that there is explicit policy
> configuration that allows the setting of a header on XmlHttpRequest from
> another origin.
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