Rule Elements
A web security rule on the appliance has three main elements: criteria, action, and (optionally) event.
- Criteria. Determines whether a rule applies.
NOTE: Other rule syntaxes use the term condition instead of criteria.
If the category of a URL is in list x, ...
The criteria has three elements: property, operator, and operand
- Property
Is related to a web object or a user.
... the category of a URL ... - Operator
Links the property to an operand.
.. is in list ... - Operand
Specifies a value that the property can have.
... x (list name), ...
NOTE: The operand is also referred to as parameter on the user interface.
- Action
Is executed if the criteria is matched.
... block the URL ... - Event
Is executed if the criteria is matched.
... and log this action.
An event is optional for a rule. A rule can also have more than one event.