Hi Stuti, here a overview about the classes: http://hadoop.apache.org/common/docs/current/api/org/apache/hadoop/security/package-summary.html
hortonworks has written a really good tutorial: http://hortonworks.com/fine-tune-your-apache-hadoop-security-settings/ If I right hadoop supports security since .20x with kerberos / LDAP. Hope it helps, Alex On Mon, Nov 28, 2011 at 11:26 AM, 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. > > > -- Alexander Lorenz http://mapredit.blogspot.com *P **Think of the environment: please don't print this email unless you really need to.*
