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From Andrew Purtell <apurt...@apache.org>
Subject Re: Hadoop Security
Date Wed, 24 Feb 2010 07:34:16 GMT
See HBASE-1697 and go from there: https://issues.apache.org/jira/browse/HBASE-1697
We will try to track as closely to Hadoop ASF common as we can, same AAA top to bottom, HBase->RPC->HDFS.

  - Andy



----- Original Message ----
> From: "Segel, Mike" <msegel@navteq.com>
> To: "common-dev@hadoop.apache.org" <common-dev@hadoop.apache.org>
> Sent: Mon, February 22, 2010 7:18:47 AM
> Subject: RE: Hadoop Security
> 
> Hi,
> 
> Sorry for jumping in to this late, but has anyone thought about how this could 
> be extended in to HBase? 
> I realize this is Hadoop security, but eventually HBase and other apps that sit 
> on top of hadoop will have to deal with security issues too.
> 
> I'm not suggesting that a solution be worked out now, but that the solution for 
> Hadoop can be extended to cover the apps that sit on top of Hadoop. 
> 
> Thx
> 
> -Mike
> 
> -----Original Message-----
> From: Owen O'Malley [mailto:omalley@apache.org] 
> Sent: Sunday, February 21, 2010 4:02 PM
> To: common-dev@hadoop.apache.org
> Subject: Re: Hadoop Security
> 
> 
> On Feb 17, 2010, at 9:57 PM, gscse@tce.edu wrote:
> 
> >  Analyzed that kerberos cab be used for user authentication.when the  
> > user
> > wants to submit a job he/she can get delegation token followed by  
> > block
> > access token to access data from HDFS.So the client is overloaded with
> > initial 2 tickets (kerberos) TGT(Ticket grating Ticket),ST (service
> > ticket)followed by delegation token and block access token..Is that  
> > right??
> 
> When the user logs in to the system, they get a TGT. When they want to  
> submit a job, they'll get two service tickets (one for the Name Node  
> and one for the Job Tracker). They will get a delegation token from  
> the NameNode and include that as part of the job. So in total,  
> submitting a job should only take those 2 interactions with the  
> Kerberos KDC.
> 
> -- Owen
> 
> 
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