Access Control List Result Set

The Access Control List Result Set returns one row for each unique scope and associated Access Control List defined in the site collection.

       ScopeId                        uniqueidentifier,
       Acl                            varbinary(max), 
       AnonymousPermMask              bigint;

ScopeId: The Scope Identifier of the scope.

Acl: The Access Control List (ACL) associated with the scope.

AnonymousPermMask: The WSS Rights Mask for anonymous users for this scope.