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From "Shin Chan" <had...@gmx.com>
Subject Securing cluster from access
Date Fri, 28 Sep 2012 09:23:38 GMT

 We have 15 node cluster and right now we dont have Kerberos implemented.

 But on urgent basis we want to secure the cluster.

 Right now anyone who know IP of Namenode can just download the Hadoop jar , configure xml
files and say

 hadoop fs -ls /

 And he can see the data.

 How to stop this ?

 We have Hadoop 2.0 verison

 Do we have any configuration settings which we can change so that only set of users or set
of IPs should be able to see the HDFS.

 We dont have firewall implemented yet outside cluster so that is not an option.

 Thanks in advance for your help

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