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    Re: iSCSI and IPSec



    
    Bill,
    Though you are correct, the way you state it is as if Tunnel mode is some
    how easier to implement then Transport mode, or as if Encryption is not
    needed to be implemented.  Now I am sure you did not mean that, so perhaps
    I should restate you answer as follows:
    * IPsec is a MUST be implemented: That is Data Integrity and Authentication
    Must be implemented
    
    * IPsec is also a MUST implement Confidentiality (encryption).
    
    * All of the above MUST be implemented in Tunnel Mode, and If the IPsec
    implementation of an iSCSI initiator or target conforms to the [RFC2401]
    definition of a host, then to comply with section 4.1 of [RFC2401] it MUST
    also implement the above in Transport mode.
    
    * So the thing you know for sure is that Tunnel mode MUST be implemented,
    and sometimes Transport mode will also be implemented.
    
    *However, the end customer has the freedom to turn on all or part of what
    ever IPsec version it has implemented.
    
    .
    .
    .
    John L. Hufferd
    Senior Technical Staff Member (STSM)
    IBM/SSG San Jose Ca
    Main Office (408) 256-0403, Tie: 276-0403,  eFax: (408) 904-4688
    Home Office (408) 997-6136, Cell: (408) 499-9702
    Internet address: hufferd@us.ibm.com
    
    
    Bill Studenmund <wrstuden@wasabisystems.com>@ece.cmu.edu on 05/09/2002
    01:01:45 PM
    
    Sent by:    owner-ips@ece.cmu.edu
    
    
    To:    Shahram Davari <Shahram_Davari@pmc-sierra.com>
    cc:    "'ips@ece.cmu.edu'" <ips@ece.cmu.edu>
    Subject:    Re: iSCSI and IPSec
    
    
    
    On Thu, 9 May 2002, Shahram Davari wrote:
    
    > Hi,
    >
    > Is IPSec supported in iSCSI? and if so, is it optional to use or
    mandatory?
    
    IPsec is a MUST. Though you can get away with just tunnel mode.
    
    Take care,
    
    Bill
    
    
    
    
    


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Last updated: Fri May 10 12:18:28 2002
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