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https://issues.apache.org/jira/browse/HDFS-3568?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13401567#comment-13401567
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Colin Patrick McCabe commented on HDFS-3568:
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If it's run as root, fuse_dfs can get access to kerberos ticket cache file of
the user performing a FUSE operation. Then FUSE can create a FileSystem
instance with this kerberos ticket cache.
In the future, it would also be good to use privilege separation to contain the
power of a fuse_dfs instance running as root.
> fuse_dfs: add support for security
> ----------------------------------
>
> Key: HDFS-3568
> URL: https://issues.apache.org/jira/browse/HDFS-3568
> Project: Hadoop HDFS
> Issue Type: Improvement
> Affects Versions: 1.0.0, 2.0.0-alpha
> Reporter: Colin Patrick McCabe
> Assignee: Colin Patrick McCabe
> Fix For: 1.1.0, 2.0.1-alpha
>
>
> fuse_dfs should have support for Kerberos authentication. This would allow
> FUSE to be used in a secure cluster.
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