Graphical conventions
Figures in this guide use the following symbols.
Internet
Appliance
Other server (such as DNS
server)
Mail server
Router
User or client computer
Firewall
Switch
Network
Network zone (DMZ or
VLAN)
Perceived data path
Actual data path
Documentation
This Installation Guide is included with your appliance. Additional information is available in the
online help, and other documentation available from the documentation CD.
Preface
Graphical conventions
7
McAfee Email and Web Security Appliance 5.1 Installation Guide