is your cluster accessible on public network?
What kind of hdfs security you have kept in place?
what is your cluster security?(user level, intranet level)
who all have ssh-keys to login to any node on the cluster?
On Fri, Aug 30, 2013 at 12:08 PM, Visioner Sadak
> also we have done a password-less ssh within our clusters only so that
> we can access the cluster but i guess this wont be the case for an
> external user right
> On Fri, Aug 30, 2013 at 12:05 PM, Visioner Sadak <[EMAIL PROTECTED]
> > wrote:
>> Hello friends we use filesystem.copyFrmLocal method of java api within a
>> tomcat conntainer to move data in to hadoop clusters, will any other
>> unauthorised user will be able to write in to our hadoop cluster using the
>> java api or is any extra authenticaton needed from our side