Watchguard Firebox X1000 Reference Manual page 142

CHAPTER 9: Glossary
130
LED (light-emitting diode)
A small indicator light on a networking device that provides
indication of status and other information about the device.
link
See hyperlink.
Linux
An open source version of the UNIX operating system.
LiveSecurity Service
See WatchGuard LiveSecurity Service.
LogViewer
A WatchGuard Firebox System application that displays a static
view of a log file.
loopback interface
A pseudo interface that allows a host to use IP to talk to its own
services. A host is generally configured to trust packets coming
from addresses assigned to this interface. The Class A address
group 127.0.0.0 has been reserved for these interfaces.
mail server
Refers to both the application and the physical machine tasked
with routing incoming and outgoing electronic mail.
management station
The computer on which the WatchGuard Firebox System
Manager and Policy Manager runs; sometimes referred to as the
administration host.
name resolution
The allocation of an IP address to a host name.
System.
NetBIOS (Network Basic Input / Output System)
An extension of the DOS BIOS that enables a computer to connect
to and communicate with a LAN (Local Area Network).
NetBEUI (NetBIOS Extended User Interface)
A non-routable networking protocol used by smaller, non-
subnetted networks for internal communications. Because
See Domain Name
WatchGuard Firebox System