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From Harsh J <ha...@cloudera.com>
Subject Re: forbid use of hadoop.job.ugi to impersonate user without Kerberos
Date Wed, 04 Sep 2013 05:32:37 GMT
No.

There are several ways a user can impersonate another user if you do
not use strong authentication (i.e. kerberos). Some ways are
implemented with that intention, for users who don't want any
authentication.

On Wed, Sep 4, 2013 at 1:39 AM, fred th <meltrash@gmail.com> wrote:
> Hello,
> I'm considering using hadoop for a share cluster. As start to setup quickly
> the system I'm was planning to differ Kerberos use.
> Is there other way than using Kerberos to forbid a user to use
> hadoop.job.ugi parameter to impersonate another user?
>
> thanks
> Mt



-- 
Harsh J

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