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From Andrew Purtell <apurt...@apache.org>
Subject Fw: Hadoop Security
Date Wed, 24 Feb 2010 08:53:59 GMT
>From common-dev@



----- Forwarded Message ----
> From: Andrew Purtell <apurtell@apache.org>
> To: common-dev@hadoop.apache.org
> Sent: Tue, February 23, 2010 11:34:16 PM
> Subject: Re: Hadoop Security
> 
> 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" 
> > To: "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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