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Host Intrusion Prevention 7.0.0 for ePO 4.0 Product Guide - McAfee

Host Intrusion Prevention 7.0.0 for ePO 4.0 Product Guide - McAfee

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Configuring IPS Policies<br />

Working with IPS Rules policies<br />

To use Standard method:<br />

To use Expert method:<br />

signature. Be<strong>for</strong>e writing a rule, make sure you<br />

understand rule syntax.<br />

1 Enter a name <strong>for</strong> the signature and choose a<br />

type.<br />

1 Type the rule syntax <strong>for</strong> the signatures, which<br />

can include a name <strong>for</strong> the rule. Use ANSI <strong>for</strong>mat<br />

and TCL syntax.<br />

2 Specify the operations that trigger the<br />

signature. 2 Click OK and the rule is added to the list at the<br />

top of the Subrule tab. The rule is compiled and<br />

3 Indicate whether to include or exclude a<br />

particular parameter, what the parameter is<br />

and its value.<br />

4 Click OK and the rule is added to the list at the<br />

top of the Subrule tab. The rule is compiled<br />

and the syntax is verified. If the rule fails<br />

verification, a dialog box describing the error<br />

appears. Fix the error and verify the rule again.<br />

the syntax is verified. If the rule fails verification,<br />

a dialog box describing the error appears. Fix the<br />

error and verify the rule again.<br />

5 Click OK.<br />

NOTE: You can include multiple rules in a signature.<br />

Creating signatures using the wizard<br />

Use this task to creation a signature using a wizard. This is recommended if you are new to<br />

creating signatures. Note that signatures created with the wizard do not offer any flexibility <strong>for</strong><br />

the operations the signature is protecting because you cannot change, add, or delete operations.<br />

Task<br />

For option definitions, click ? on the page displaying the options.<br />

1 On the IPS Rules Signatures tab, click Add Signature Wizard.<br />

2 On the Basic In<strong>for</strong>mation tab, enter a name and select the plat<strong>for</strong>m, severity level. log<br />

status, and whether to allow the creation of client rules. Click Next to continue.<br />

Figure 7: Signature Creation Wizard— Basic In<strong>for</strong>mation<br />

3 On the Description tab, type a description of what the signature is protecting. This<br />

description appears in the IPS Event when the signature is triggered.<br />

34<br />

<strong>McAfee</strong> <strong>Host</strong> <strong>Intrusion</strong> <strong>Prevention</strong> 7.0 <strong>Product</strong> <strong>Guide</strong> <strong>for</strong> use with ePolicy Orchestrator <strong>4.0</strong>

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