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Hadoop, mail # user - kerberos principals per node necessary?

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Re: kerberos principals per node necessary?
Benoy Antony 2014-02-03, 23:05
Its a bad idea, Koert.
When multiple nodes are using the same principal (in this case all the
datanodes ) ,  it will result in server assuming that its a replay attack
and result in denial of service.

More details here :

and here

On Sun, Feb 2, 2014 at 3:14 PM, Koert Kuipers <[EMAIL PROTECTED]> wrote: