Apache Hadoop 0.20.2 did not have security features in it. You'd need 0.20.203 at least, if not one of the current CDH3/0.20.205 (Both of which also carry 0.20-append along with 0.20-security).
On Mon, Nov 28, 2011 at 3:56 PM, Stuti Awasthi <stutiawas...@hcl.com> wrote: > Thanks Alexander for this info. > Currently I am using Apache Hadoop version 0.20.2 and not cloudera’s Hadoop > version. I read that Apache Hadoop 0.20.205 supports Security. Any thoughts > on that. > Since currently I am using Apache Hadoop and quite familiar with it so I > would like to use it some more before using CDH. > > > > From: Alexander C.H. Lorenz [mailto:wget.n...@googlemail.com] > Sent: Monday, November 28, 2011 3:25 PM > To: hdfs-user@hadoop.apache.org > Subject: Re: Hadoop Security > > 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 <stutiawas...@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 > > ::DISCLAIMER:: > ----------------------------------------------------------------------------------------------------------------------- > > The contents of this e-mail and any attachment(s) are confidential and > intended for the named recipient(s) only. > It shall not attach any liability on the originator or HCL or its affiliates. > Any views or opinions presented in > this email are solely those of the author and may not necessarily reflect the > opinions of HCL or its affiliates. > Any form of reproduction, dissemination, copying, disclosure, modification, > distribution and / or publication of > this message without the prior written consent of the author of this e-mail > is strictly prohibited. If you have > received this email in error please delete it and notify the sender > immediately. Before opening any mail and > attachments please check them for viruses and defect. > > ----------------------------------------------------------------------------------------------------------------------- > > > > > -- > Alexander Lorenz > http://mapredit.blogspot.com > > Think of the environment: please don't print this email unless you really > need to. > > > -- Harsh J
