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OfficeScan 10.6 Administrator's Guide - Trend Micro™ Online Help

OfficeScan 10.6 Administrator's Guide - Trend Micro™ Online Help

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Policy Composition<br />

Using Policy Server for Cisco NAC<br />

Policies include of any number of rules and default responses and actions.<br />

Rule Enforcement<br />

Policy Server enforces rules in a specific order, which allows you to prioritize rules.<br />

Change the order of rules, add new ones, and remove existing ones from a policy.<br />

Default Responses for Policies<br />

As with rules, policies include default responses to help you understand the condition of<br />

<strong>OfficeScan</strong> clients on the network when client validation occurs. However, the default<br />

responses are associated with clients only when client security posture does NOT match<br />

any rules in the policy.<br />

The responses for policies are the same as those for rules (see Default Responses for Rules<br />

on page 15-11 for the list of responses).<br />

Policy Server and <strong>OfficeScan</strong> Client Actions<br />

The Policy Server enforces rules to clients by subjecting client posture information to<br />

each of the rules associated with a policy. Rules are applied top-down based on the rules<br />

in use specified on the web console. If the client posture matches any of the rules, the<br />

action corresponding to the rule is deployed to the client. If no rules match, the default<br />

rule applies and the action corresponding to the default rule is deployed to clients.<br />

Default Outbreak Mode Policy evaluates <strong>OfficeScan</strong> clients using the "Healthy" rule. It<br />

forces all clients that do not match this rule to immediately implement the actions for<br />

the "Infected" response.<br />

Default Normal Mode Policy evaluates <strong>OfficeScan</strong> clients using all the non-"Healthy"<br />

rules (Transition, Not Protected, Quarantine, CheckUp). It classifies all clients that do<br />

not match any of these rules as "healthy" and applies the actions for the "Healthy" rule.<br />

15-15

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