Rule Elements
A web security rule on the appliance has three main elements: criteria, action, and (optionally) event.
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Criteria
Determines whether a rule applies.
Other rule syntaxes use the term condition instead of criteria.
Example in plain text:
If the category of a URL is in list x ...
The criteria has three elements: property, operator, and operand.
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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 the value of the property.
... x (list name) ...
The operand is also referred to as parameter on the user interface.
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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 have more than one event.
For more information, see Rule Format on the User Interface.