User Guide xiii
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