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Intrusion Defense Firewall 1.2 User's Guide - Trend Micro? Online ...

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The FORCE ALLOW rule can be placed over the denied traffic to allow certain exceptions to pass through:<br />

Rule Priority<br />

Rule actions of type deny and force allow can be defined at any one of 5 priorities to allow further<br />

refinement of the permitted traffic defined by the set of allow rules. Rules are run in priority order from<br />

highest (Priority 4) to lowest (Priority 0). Within a specific priority level the rules are processed in order<br />

based on the rule action (force allow, deny, allow, log only).<br />

The priority context allows a User to successively refine traffic controls using deny/force allow<br />

combinations to achieve a greater flexibility. Within the same priority context an allow rule can be<br />

negated with a deny rule, and a deny rule can be negated by a force allow rule.<br />

Rule Actions of type allow run only at priority 0 while rule actions of type log only run only at<br />

priority 4.<br />

Putting Rule Action and Priority together<br />

Rules are run in priority order from highest (Priority 4) to lowest (Priority 0). Within a specific priority level<br />

the rules are processed in order based on the rule action. The order in which rules of equal priority are<br />

processed is as follows:<br />

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