A rule's action determines what must take place for the rule to fire. A rule fires when the Policy Server determines that an action specified in a rule occurs. The rule must be contained in an existing, enabled policy. For example, if a policy contains a rule that allows access to an HTML page, and the policy specifies users who exist in a particular directory, when one of the users listed in the directory attempts to access a resource, the Policy Server determines that the rule must fire in order to process the request.
When a rule fires, the Policy Server processes the action specified in the rule based on the way the policy that contains the rule is configured. For example, if a user is not in a group specified in a policy, a rule that allows an HTTP Get action for an HTML page will not allow the user to access the resource.
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