WatchGuard Technologies WatchGuard Firebox SOHO 6 - Manual (Page 13)

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