11.07.2015 Views

WatchGuard Firebox System 7.0 User Guide

WatchGuard Firebox System 7.0 User Guide

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CHAPTER 11Intrusion Detectionand PreventionThe <strong>WatchGuard</strong> <strong>Firebox</strong> <strong>System</strong> can protect your networkfrom many types of attacks. In addition to theprotection provided through filtered and proxied services,the <strong>Firebox</strong> also gives you the following tools tostop attacks that services are not designed to defeat.Default packet handlingOptions for how the firewall handlesincoming communications that appear to beattacks on a network.Blocked sitesAn IP address outside the <strong>Firebox</strong> that isprevented from connecting to hosts behind the<strong>Firebox</strong>. The Blocked Sites feature of the<strong>Firebox</strong> helps you prevent unwanted contactfrom known or suspected hostile systems.Blocked portsPorts that are designated as vulnerable entrypoints to your network. A blocked port settingblocks packets that enter your networkthrough the external interface.<strong>User</strong> <strong>Guide</strong> 177

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