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https://issues.apache.org/jira/browse/HDFS-3461?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13465306#comment-13465306
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Eli Collins commented on HDFS-3461:
-----------------------------------

Also, this patch needs to support KSSL anyway otherwise distcp'ing from a 
pre-SPNEGO clusters using Hftp will fail. Ie we'd have to force all secure 
users to upgrade to SPNEGO.
                
> HFTP should use the same port & protocol for getting the delegation token
> -------------------------------------------------------------------------
>
>                 Key: HDFS-3461
>                 URL: https://issues.apache.org/jira/browse/HDFS-3461
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Owen O'Malley
>            Assignee: Owen O'Malley
>         Attachments: h3461_20120924.patch, h3461_20120925.patch
>
>
> Currently, hftp uses http to the Namenode's https port, which doesn't work.

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