Watchguard Firebox X1000, Reference Manual

Page: 124 / 264

CHAPTER 9: Glossary
112 WatchGuard Firebox System
cascade
A command that arranges windows so that they are overlapped,
with the active window in front.
cascading
Connecting hubs with 10BASE-T cable; sometimes requires a
crossover cable.
Category 3 cabling
A 10BASE-T unshielded twisted-pair cabling type commonly
used in today’s 10Mbps Ethernet networks.
Category 5 cabling
A higher grade of unshielded twisted-pair cabling required for
networking applications wich as 100Mbps Fast Ethernet.
CBC
See
cipher block chaining
.
CD-ROM (Compact Disc Read-Only Memory)
A disk on which data is stored.
certificate
An electronic document attached to a public key by a trusted third
party, which provides proof that the public key belongs to a
legitimate owner and has not been compromised.
certificate authority (CA)
A trusted third party (TTP) who creates certificates that consist of
assertions on various attributes and binds them to an entity and/
or to their public key.
certificate revocation list (CRL)
An online, up-to-date list of previously issued certificates that are
no longer valid.
certification
Endorsement of functionality by a trusted entity.
Challenge Authentication Protocol (CHAP)
A session-based, two-way password authentication scheme.
channel
A communications path between two computers or devices.