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iPrism Administration Guide - EdgeWave

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The Big Picture<br />

FIGURE 3. Blocking setup in an ACL<br />

The ACL controls what is blocked and monitored. The <strong>iPrism</strong> system needs<br />

to know when to apply the ACL and who to apply it to.<br />

The schedule controls when an ACL is applied. Suppose the company<br />

policy is “No Shopping during working hours, but during lunch and after<br />

work, anything goes.” To implement this policy, we first create an ACL<br />

called “No Shopping” which blocks all shopping and online auction sites.<br />

We also create an ACL called “Wide Open” which does not block any sites.<br />

Next, we define a schedule that tells <strong>iPrism</strong> when to apply each of our two<br />

access lists, as shown in Figure 4.<br />

14<br />

<strong>iPrism</strong> <strong>Administration</strong> <strong>Guide</strong>

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