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https://issues.apache.org/jira/browse/MAPREDUCE-1026?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12773611#action_12773611
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Devaraj Das commented on MAPREDUCE-1026:
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Kan the RPC port on the TaskTracker is supposed to be bound to only localhost.
So others outside the node in question shouldn't be able to do RPC.
But lets keep that discussion to a separate jira.
> Shuffle should be secure
> ------------------------
>
> Key: MAPREDUCE-1026
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1026
> Project: Hadoop Map/Reduce
> Issue Type: Sub-task
> Components: security
> Reporter: Owen O'Malley
> Assignee: Boris Shkolnik
> Attachments: MAPREDUCE-1026.patch, MAPREDUCE-1026.patch
>
>
> Since the user's data is available via http from the TaskTrackers, we should
> require a job-specific secret to access it.
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