What is a Firebox?
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Placing a Firebox within a network

The most common location for a Firebox is directly behind the Internet router, as
pictured below:
Other parts of the network are as follows:
Management Station
The computer on which you install and run the WatchGuard LiveSecurity
Control Center.
Event Processor
The computer that receives and stores log messages and sends alerts and
notifications. You can configure the Management Station to also serve as the
Event Processor.
Trusted network
The network behind the firewall that must be protected from the security
challenge.
External network
The network presenting the security challenge, typically the Internet.
Optional network
A network protected by the firewall but still accessible from the trusted and
the external networks. Typically, the optional network is used for public
servers such as an FTP or Web server.
Internet
The Security Challenge
Router
Firebox II
Trusted Network Optional Network
Management
Station
Event Processor
SMTP Server
HTTP Server
FTP Server