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From "Alexander C.H. Lorenz" <wget.n...@googlemail.com>
Subject Re: Hadoop Security
Date Mon, 28 Nov 2011 09:55:08 GMT
HI,

1. yes:
https://ccp.cloudera.com/display/CDHDOC/Configuring+Hadoop+Security+in+CDH3
http://hortonworks.com/the-role-of-delegation-tokens-in-apache-hadoop-security/

2. yes
http://mapredit.blogspot.com/2011/10/secure-your-hadoop-cluster-part-i.html

3. at the moment hdfs has no encryption engine, so far I know.

best,
 Alex

On Mon, Nov 28, 2011 at 10:44 AM, Stuti Awasthi <stutiawasthi@hcl.com>wrote:

> Hi ,
>
> I wanted to know about the security in Hadoop. I have read few articles
> but not very sure about this so I wanted to discuss this topic in forum.
> As we know that Hadoop provide its security using Filesystem permissions
> like chown, chmod etc.
>
> 1. Is Kerberos or any security algo is implemented in the code so that we
> can authenticate or authorize Hadoop.?
> 2. Can we use LDAP for authentication and Authorization in Hadoop
> 3. Is any kind of encryption is handled in hadoop at the time of storing
> the files in HDFS.
>
> Can anyone please provide me some good links to read on Hadoop Security
>
> Regards,
> Stuti Awasthi
>
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-- 
Alexander Lorenz
http://mapredit.blogspot.com

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