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From "Arpit Agarwal (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-10086) User document for authentication in secure cluster
Date Fri, 24 Jan 2014 01:07:38 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-10086?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13880582#comment-13880582
] 

Arpit Agarwal commented on HADOOP-10086:
----------------------------------------

These omissions were in the old doc too, so it is not an error introduced by you, but perhaps
this is a good time to fix it.
# IIRC secure mode requires that {{dfs.datanode.address}} use a privileged port (< 1024).
We should change the port number in the examples and also add a note. 
# I think {{dfs.web.authentication.kerberos.principal}} and {{dfs.web.authentication.kerberos.keytab}}
are also required for WebHDFS to work with security. Should we document them?
# Should we document {{yarn.nodemanager.linux-container-executor.path}} for yarn-site.xml?

Minor typos.
# “Kerberos principle” —> “Kerberos principal” 
# "  authentication are required.” —> “is required.”
# "which works in the same way to the” —> "which works in the same way as the”
# "if the realms is matched to the” —> "if the realm matches the”
# definitio —> definition
# "OS functionality” —> “OS”

builds.apache.org seems to be down, I’ll try to kickoff a Jenkins build once it is back
up.

Thanks again for helping improve the documentation!

> User document for authentication in secure cluster
> --------------------------------------------------
>
>                 Key: HADOOP-10086
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10086
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: documentation
>            Reporter: Masatake Iwasaki
>            Priority: Minor
>              Labels: documentaion, security
>         Attachments: HADOOP-10086-0.patch, HADOOP-10086-1.patch
>
>
> There are no independent section for basic security features such as authentication and
group mapping in the user documentation, though there are sections for "Service Level Authorization"
and "HTTP Authentication".
> Creating independent section for authentication and moving contents about secure cluster
currently residing in "Cluster Setup" section could be good starting point.



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