Watchguard Firebox X1000 Reference Manual page 126

CHAPTER 9: Glossary
114
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.
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