Contents

CHAPTER 1 Introduction

1

The Package Contents

2

How Does a Firewall Work?

3

How Does Information Travel on the Internet?

4

IP addresses

4

Protocol

4

Port numbers

5

How Does the SOHO 6 Process Information?

5

Services

5

Network Address Translation

5

The SOHO 6 Hardware Description

6

The SOHO 6 front and rear views

6

CHAPTER 2 Installation

11

Before You Begin

12

Review and record your current TCP/IP settings

12

User Guide

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WatchGuard Technologies SOHO 6.1 manual Contents