This model of authentication pass-through is used in plenty of places within DoD. All CAC-enabled DoD webmail uses this via Kerberos delegation in active directory for example.
Andrew Prout, CISSP MIT Lincoln Laboratory 244 Wood Street, Lexington, MA 02420 Telephone: 781-981-3573 From: Thorton Timms [mailto:[email protected]] Sent: Wednesday, December 05, 2012 10:01 AM To: [email protected] Subject: Re: Single Sign-On with Accumulo Just to clarify, the suggestions is that after a user authenticates to a web service, that web service identifies the authorization of the user and the web service passes credientials of the appropriate level to Accumulo. Correct? The web service acts like a broker of authorization? There are many potential uses for a cell based security database. One use is in securing DoD data of different security classifications (hence part of the reason for NSA involvement in the Accumulo project). However, I don't think the above method of user authorization would pass DoD accredidation. At least, it would be very difficult to get accredited. Has the web service authentication broker method ever been used in a system that has been accredited? When will Accumulo 1.5 be released? Thanks, Thorton On Tue, Dec 4, 2012 at 8:42 AM, John Vines <[email protected]> wrote: Accumulo 1.4 handles all of it's security internally, so you can't rely on an external service for managing the user space. However, you can have a web service which handles passing accumulo credentials down into the system so you don't have to worry about the web service doing anything too elaborate. Accumulo 1.5 is slated to have a pluggable security structure, which will support a variety of SSO mechanisms. John On Tue, Dec 4, 2012 at 10:26 AM, Thorton Timms <[email protected]> wrote: Are there single sign-on options for Accumulo (like SAML or CAS or something else)? I'm interested in using Accumulo's cell-level security behind a web service. The web service would require authentication that I would like to pass on to Accumulo. This would allow Accumulo to handle the filtering of requests results based on the users authorization, instead of the web service having to do it. Is this possible? Thanks, Thorton
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