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Posted to common-dev@hadoop.apache.org by Owen O'Malley <ow...@gmail.com> on 2010/05/04 17:21:38 UTC

Re: User Authentication Using Kerberos

On Tue, May 4, 2010 at 5:13 AM, Sujitha <gs...@tce.edu> wrote:
>   i am working on hadoop security wherein in the first step to
> authenticate users,Kerberos authentication protocol was used.

Look at the UserGroupInformation class in subversion trunk. It uses
Java's JAAS interface to authenticate the user using Kerberos. The RPC
connections are authenticated with Kerberos or delegation tokens that
are generated by the NameNode or JobTracker.

-- Owen