Hi as we knw that by using hadoop's web UI  at
http://namenode-ip/50070anyone can access the hdfs details can we
secure it only to certain
authorized users and not publicly to all.. in production....

Yes, see http://hadoop.apache.org/docs/current/hadoop-auth/Configuration.html
and also see http://hadoop.apache.org/docs/stable/HttpAuthentication.html

On Wed, Nov 21, 2012 at 3:34 PM, Visioner Sadak
<[EMAIL PROTECTED]> wrote:
> Hi as we knw that by using hadoop's web UI  at   http://namenode-ip/50070
> anyone can access the hdfs details can we secure it only to certain
> authorized users and not publicly to all.. in production....

--
Harsh J