Watchguard Firebox X1000 Betriebsanweisung Seite 42

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Chapter 3: Getting Started
26 WatchGuard Firebox System
External Interface
Connects to the external network (typically the Internet) that
presents the security threat.
Trusted Interface
Connects to the private LAN or internal network that you want
protected.
Optional Interface
Connects to the DMZ (Demilitarized Zone) or mixed trust area of
your network. Computers on the Optional interface contain
content you do not mind sharing with the rest of the world.
Common applications housed on this interface are Web, email,
and FTP servers.
To decide how to incorporate the Firebox into your network, select the
configuration mode that most closely reflects your existing network. You
must select one of two possible modes: routed or drop-in configuration.
Routed configuration
In a routed configuration, the Firebox is put in place with separate logical
networks and separate network addresses on its interfaces. Routed
configuration is used primarily when the number of public IP addresses is
limited or when you have dynamic IP addressing on the External
interface. For more information on dynamic IP addressing on the External
interface, see “Dynamic IP support on the External interface” on page 31.
Public servers behind the Firebox use private addresses, and traffic is
routed using network address translation (NAT).
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