Watchguard Firebox X1000, Reference Manual

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CHAPTER 9: Glossary
114 WatchGuard Firebox System
cold boot
The process of starting a computer by turning on the power to the
system unit.
collisions
Conflicts that occur when two packets are sent over the network
simultaneously. Both packets are rejected; Ethernet will
automatically resend them at altered timing.
communications software
Software such as email and faxing software that allows users to
send or receive data.
compress
To compact a file or group of files so that they occupy less disk
space. See also
decompress .
compression function
A function that takes a fixed-size input and returns a shorter,
fixed-sized output.
connected enterprise
A company or organization with a computer network exchanging
data with the Internet or some other public network.
Control Center
See System Manager .
Control Panel
The set of Windows NT, Windows 2000, and Windows XP
programs used to change system hardware, software, and
Windows settings.
conventional encryption
Encryption that relies on a common passphrase instead of a public
key cryptography. The file is encrypted using a session key, which
encrypts using a passphrase that a user is asked to choose.
cookie
A file or token passed from the Web server to the Web client (a
user’s browser) that is used to identify a user and could record
personal information such as ID and password, mailing address,
or credit card number.