I think the idea of more defaults is a good one and I am forwarding this
to the TC list.
However, based on past discussions, I believe the TC would be more
likely to select "deny-overrides" as the default.
Hal
> -----Original Message-----
> From: [mailto:]
> Sent: Tuesday, December 20, 2005 11:48 AM
> To:
> Subject: [xacml-comment] Public Comment
>
> Comment from:
>
> Name: Ludwig Seitz
> Title: PhD Researcher
> Organization: Security, Policy and Trust Laboratory, SICS, Sweden
> Regarding Specification: XACML
>
> Hello all,
> I wanted to suggest some points for the XACML standard with the goal
of
> simplifying XACML Policies (by reducing their verboseness).
>
> 1. Define a default policy/rule combining algorithm, e.g. "permit-
> overrides", if the attribute PolicyCombiningAlgId/RuleCombiningAlgId
is
> missing from a PolicySet/Policy tag.
>
> 2. Define "string-equal" as default MatchId attribute in SubjectMatch,
> ResourceMatch and ActionMatch tags.
>
> 3. Define "http://www.w3.org/2001/XMLSchema#string" as default
DataType
> attribute in AttributeValue tags.
>
> 4. Define "urn:oasis:names:tc:xacml:1.0:subject:subject-id"/
> "urn:oasis:names:tc:xacml:1.0:resource:resource-id"/
> "urn:oasis:names:tc:xacml:1.0:action:action-id"
> as default values for the AttributeId attribute of
> SubjectAttributeDesignator/
> ResourceAttributeDesignator/
> ActionAttributeDesignator
>
> Regards,
>
> Ludwig Seitz
>
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