Hi, > 3. Is any kind of encryption is handled in hadoop at the time of storing the files in HDFS.
You could define a compression codec that does the encryption. Check the below thread for more details. http://www.mail-archive.com/common-user@hadoop.apache.org/msg06229.html Thanks, Praveen On Mon, Nov 28, 2011 at 4:09 PM, Harsh J <ha...@cloudera.com> wrote: > 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 >
