User guide

Reference Guide v
Contents
CHAPTER 1 Internet Protocol Reference ..................... 1
Internet Protocol Header .................................................. 1
IP header number list ..................................................... 2
Internet Protocol Options ................................................. 6
Transfer Protocols ............................................................ 7
UDP ........................................................................... 7
TCP ........................................................................... 8
ICMP .......................................................................... 8
Other protocols ............................................................ 8
Standard Ports and Random Ports .................................... 9
CHAPTER 2 MIME Content Types ............................... 11
CHAPTER 3 Services and Ports ................................... 27
Ports Used by WatchGuard Products ............................... 28
Ports used by Microsoft Products .................................... 29
Well-Known Services List ................................................ 30
CHAPTER 4 Hardware Illustrations ............................. 39
Firebox Illustrations and Descriptions .............................. 39
Firebox II, Firebox II Plus, and Firebox II FastVPN .............. 39
Firebox III front view (all models except Model 700) ........... 43