Watchguard Firebox X1000, Reference Manual

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Reference Guide 111
blocked site
An IP address outside the Firebox explicitly blocked so it cannot
connect with hosts behind the Firebox. Blocked sites can be
manual and permanent, or automatic and temporary.
Blue Screen of Death (BSoD
)
A condition in which a Windows NT—based system encounters a
serious error, the entire operating system halts, and a screen
appears with information regarding the error. The name comes
from the blue color of the error screen.
boot up
To start a computer.
Branch Office Virtual Private Networking (BOVPN)
A type of VPN that creates a secure tunnel over an unsecure
network, between two networks that are protected by the
WatchGuard Firebox System, or between a WatchGuard Firebox
and an IPSec-compliant device. It allows a user to connect two or
more locations over the Internet while protecting the resources on
the trusted and optional networks.
bridge
A piece of hardware used to connect two or more networks so that
devices on the network can communicate. Bridges can only
connect networks running the same protocol.
broadcast
A network transmission sent to all nodes on a network.
broadcast address
An address used to broadcast a request to a network, usually to
discover the presence of a machine.
browser
See Web browser .
bus topology
A networking setup in which a single cable, such as thin Ethernet,
is used to connect one computer to another.
cable segment
A section of network cable separated by hubs, routers, or bridges
to create a subnet.