Watchguard Firebox X15, User Manual

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User Guide vii
Contents
CHAPTER 1
Introduction to Network Security ........................1
Network Security .....................................................................1
About Networks .......................................................................2
Clients and servers
...............................................................2
Connecting to the Internet .......................................................2
Protocols .................................................................................3
How Information Travels on the Internet ...................................4
IP Addresses ...........................................................................5
Network addressing ..............................................................5
About DHCP .........................................................................5
About PPPoE ........................................................................5
Domain Name Service (DNS) ...................................................6
Services ..................................................................................6
Ports .......................................................................................6
Firewalls ..................................................................................8
Firebox® X Edge and Your Network ..........................................9
CHAPTER 2
Installing the Firebox X Edge ...........................11
Package Contents .................................................................11
Installation Requirements ......................................................12
Identifying Your Network Settings ...........................................13
About network addressing
...................................................13
Static addresses, DHCP, and PPPoE ......................................13