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https://issues.apache.org/jira/browse/HDFS-2617?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13419337#comment-13419337
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Owen O'Malley commented on HDFS-2617:
-------------------------------------
Eric, we have talked through the options. We've gotten to the place where the
user can choose:
# No authentication
# Weak authentication
# Strong authentication
The default has always been no authentication. If someone has bothered to ask
for strong authentication, our project shouldn't subvert their effort by having
them use known weak crypto unless they explicitly declare that hftp
compatibility without a pre-fetched token is more important that the strength
of their authentication.
> Replaced Kerberized SSL for image transfer and fsck with SPNEGO-based solution
> ------------------------------------------------------------------------------
>
> Key: HDFS-2617
> URL: https://issues.apache.org/jira/browse/HDFS-2617
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: security
> Reporter: Jakob Homan
> Assignee: Jakob Homan
> Fix For: 1.2.0, 2.1.0-alpha
>
> Attachments: HDFS-2617-a.patch, HDFS-2617-b.patch,
> HDFS-2617-branch-1.patch, HDFS-2617-branch-1.patch, HDFS-2617-branch-1.patch,
> HDFS-2617-config.patch, HDFS-2617-trunk.patch, HDFS-2617-trunk.patch,
> HDFS-2617-trunk.patch, HDFS-2617-trunk.patch, hdfs-2617-1.1.patch
>
>
> The current approach to secure and authenticate nn web services is based on
> Kerberized SSL and was developed when a SPNEGO solution wasn't available. Now
> that we have one, we can get rid of the non-standard KSSL and use SPNEGO
> throughout. This will simplify setup and configuration. Also, Kerberized
> SSL is a non-standard approach with its own quirks and dark corners
> (HDFS-2386).
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