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https://issues.apache.org/jira/browse/HADOOP-6127?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12727637#action_12727637
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Owen O'Malley commented on HADOOP-6127:
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This isn't about making it secure. It is just about removing the ability to
spoof from the command line interface to Hadoop. Even after this change, it is
still easy to spoof without getting to LD_PRELOAD. Of course to get to real
security, you need authentication via Kerberos or something similar.
> The real user name should be used by bin/hadoop fs (ie. FsShell) instead of
> the one in the configuration.
> ---------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-6127
> URL: https://issues.apache.org/jira/browse/HADOOP-6127
> Project: Hadoop Common
> Issue Type: Bug
> Components: fs
> Reporter: Owen O'Malley
>
> The real user name should be used by FsShell instead of the one in the
> configuration. This will make it a tiny bit harder for someone to pretend to
> be someone else to the file system.
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