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https://issues.apache.org/jira/browse/HDFS-16495?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Owen O'Malley resolved HDFS-16495.
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Fix Version/s: 3.4.0
3.2.4
Resolution: Fixed
> RBF should prepend the client ip rather than append it.
> -------------------------------------------------------
>
> Key: HDFS-16495
> URL: https://issues.apache.org/jira/browse/HDFS-16495
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Owen O'Malley
> Assignee: Owen O'Malley
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.4.0, 3.2.4
>
> Time Spent: 1h 40m
> Remaining Estimate: 0h
>
> Currently the Routers append the client ip to the caller context if and only
> if it is not already set. This would allow the user to fake their ip by
> setting the caller context. Much better is to prepend it unconditionally.
> The NN must be able to trust the client ip from the caller context.
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