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Description The PEP, Policy enforcement point,  is a component of policy-based management, where enforce the policies. It is the component that serves as the gatekeeper to access a digital resource. The PEP gives the PDP, Policy Decision Point, the job of dec...

Definition The PDP, Policy Decision Point, is in charge of evaluating the defined rules. The Policy Decision Point is essentially a policy compiler. The PDP must verify that the specified rules are within the scope of the rule authors authority. The PDP provi...

Definition The rule-combining algorithm defines a procedure for arriving at an authorization decision given the individual results of evaluation of a set of rules XACML rule combining algorithms is in charge to combine the decisions produced by different...

Description A rule is the most elementary unit of policy. It may exist in isolation only within one of the major actors of the XACML domain. In order to exchange rules between major actors, they must be encapsulated in a policy. A rule can be evaluated on t...

Description The Expression signifies that an element that extends the ExpressionType and is a member of the Expression substitution group shall appear in its place. The Expression is not used directly in a policy.   Expressions are elements that allow to...

What is XACML? XACML "eXtensible Access Control Markup Language" is an open standard XML based language. The standard defines a declarative fine-grained, attribute-based access control policy language, an architecture, and a processing model describing how to...

Description A Policy represents a single access control policy, expressed through a set of Rules. Policy Combining Algorithm Target Variables Rules Obligations Screen overview Related objects Policy set Target Variables Rules Obligatio...

Description A PolicySet is a container that can hold other Policies or PolicySets, as well as references to policies found in remote locations. Policy Combining Algorithm Target Obligations Every PolicySet contains a target and obligations, both c...

Description Defines to which access requests a policy or rule applies. In XACML all the attributes are categorized into four main categories: Subjects Resources Actions  Environments A target can contains more than one subject, environment, resource...