Watchguard Firebox X20E Reference Manual page 62

Control Panel
The set of Windows 95/98 or Windows NT programs used to change system
hardware, software, and Windows settings.
coprocessor
A separate processor designed to assist in specific functions, such as handling
complex mathematics or graphics, and to temporarily reduce the workload of
the microprocessor.
CPU (central processing unit)
The microprocessor chip that interprets and carries out instructions.
CRYPTOCard
An authentication system that uses an offline card to hash encryption keys,
which increases their safety against unauthorized decryption.
CSLIP (Compressed Serial Line Internet Protocol)
A protocol for exchanging IP packets over a serial line, which compresses the
headers of many TCP/IP packets.
custom filter rules
Filter rules created in WatchGuard Policy Manager to allow specific content
types through the Firebox.
data
Distinct pieces of information, usually formatted in a special way.
datagram
A packet of data that stands alone. Generally used in reference to UDP and
ICMP packets when talking about IP protocols.
DCERPC (Distributed Computing Environment Remote Procedure Call)
Allows connections bound for port 135 on a machine. These initial calls
typically result in a response from the trusted machine that redirects the client
to a new port for the actual service the client wants.
descending
A method of ordering a group of items from highest to lowest, such as from Z
to A.
decompress
To expand a compressed file or group of files so that the file or files can be
opened. See also compress.
decrypt
The process of decoding data that has been encrypted and requires a key or
password.
default
A predefined setting that is built into a program and is used when an
alternative setting is not specified.
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