Introduction

In this chapter we will look at the basics of deploying a Juniper firewall. The Juniper firewall has a large number of configuration options. Before you can deploy a device, you must first understand how to manage it, so in the first section of this chapter we look at the various methods of managing your Juniper firewall. Each option and best known procedure is discussed. Strong system security is important, but no more so than preventing intruder attacks.

There are many management options available on the Juniper firewall. Of these options, there are, effectively, two ways to manage the device directly. The first is from the command line interface (CLI). Many people still prefer this method of device management. Fully comprehending the command line interface allows you to better understand the Juniper firewall. There are specific functions that can only be done from the command line interface. Many of these commands are not commonly used, but are switches to enable or disable specific system features.

The second firewall management option is the Web User Interface (WebUI). This streamlined interface is user friendly and intuitive, allowing anyone to jump in and manage the firewall with ease. Even command line junkies will use the WebUI to reference the configuration, or to see a configuration more clearly.

Since a firewall is a core component of the network, we will focus heavily on how to configure your device to interact with the network. This covers zone configuration and Internet protocol (