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From "Alejandro Abdelnur (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-7119) add Kerberos HTTP SPNEGO authentication support to Hadoop JT/NN/DN/TT web-consoles
Date Fri, 04 Feb 2011 03:46:22 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-7119?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12990443#comment-12990443
] 

Alejandro Abdelnur commented on HADOOP-7119:
--------------------------------------------

Doing a audit/review of Alfredo sounds good (I didn't know Hadoop was doing audit/reviews
on new dependencies, I guess it is just because is a security related component).

The thing I don't get is why somebody outside of the community has to audit/review it? Shouldn't
be the other way around?

Said this, how do we get this audit/review started? It should be that difficult as Alfredo
is quite simple and small (~1000 lines of code total without counting javadocs & testcases).

Some useful background info:

Alfredo was developed because I couldn't find an alternative already available. The closest
thing I've found is the SourceForge SPNEGO project but it is LGPL (and I don't think they
have source code avail).

As I've mentioned before, the reasons for Alfredo to be a separate project and not part of
the Hadoop patch were that other Hadoop related projects could start using it today without
having to wait for a Hadoop release. Plus, it has applicability outside of Hadoop projects.



> add Kerberos HTTP SPNEGO authentication support to Hadoop JT/NN/DN/TT web-consoles
> ----------------------------------------------------------------------------------
>
>                 Key: HADOOP-7119
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7119
>             Project: Hadoop Common
>          Issue Type: New Feature
>          Components: security
>    Affects Versions: 0.23.0
>         Environment: all
>            Reporter: Alejandro Abdelnur
>            Assignee: Alejandro Abdelnur
>         Attachments: ha-common-01.patch, ha-common-02.patch, ha-commons.patch
>
>
> Currently the JT/NN/DN/TT web-consoles don't support any form of authentication.
> Hadoop RPC API already supports Kerberos authentication.
> Kerberos enables single sign-on.
> Popular browsers (Firefox and Internet Explorer) have support for Kerberos HTTP SPNEGO.
> Adding support for Kerberos HTTP SPNEGO to Hadoop web consoles would provide a unified
authentication mechanism and single sign-on for Hadoop web UI and Hadoop RPC.

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