Re: [xacml] [CR] Add Default-deny policy combination algorithm

From
Anne Anderson <>
Date
2002-08-22T19:07:43+00:00
ID
Thread
Re: [xacml] [CR] Add Default-deny policy combination algorithm
On 22 August, Polar Humenn writes: Re: [xacml] [CR] Add Default-deny policy combination algorithm
 > If we add that, we should probably add the analogous "Default-permit"
 > algorithm as well to keep it semmetric.

Default-deny is needed to prevent security breaches, such as
having web services interpret NotApplicable as "Permit", where
this is not the intent.

Default-permit might be nice for symmetry, but it is not
necessary.

Anne
-- 
Anne H. Anderson             Email: 
Sun Microsystems Laboratories
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