WatchGuard Firebox System 4.6 User Guide

CHAPTER 6Configuring a NetworkConfiguring a network refers to setting up the three Firebox interfaces. To do this,you need to:• Enter the IP address or addresses for the Firebox interfaces.• Enter the IP addresses of secondary networks that are connected to and associatedwith a Firebox interface.• Enter the default gateway for the Firebox.Use Policy Manager to configure parameters for the three Firebox interfaces–Trusted, External, and Optional.TrustedModify settings for the Ethernet device connecting the Firebox to the protectedLAN or other host.ExternalModify settings for the Ethernet device connecting the Firebox to the outsideworld.OptionalModify settings for the Ethernet device connecting the Firebox to the optionalbastion network (this is sometimes called the “Demilitarized Zone,” or “DMZ”).As its name implies, you can use the Optional network in different ways. Onecommon application is to use it for a public Web server.Running the QuickSetup wizardDuring the installation of the WatchGuard Firebox System, you are prompted to runthe QuickSetup wizard. The QuickSetup wizard creates a basic configuration file andsaves it to the primary area (Sys A) of the Firebox flash disk. The Firebox loads theprimary configuration file when it boots.User Guide 35