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