User's Manual Part 2

ADSL Modem
Glossary of Terms 299
A
ADSL Modem
A device connecting a computer
to the Internet via an existing
phone line. ADSL (Asymmetric
Digital Subscriber Line) modems
offer a high-speed 'always-on'
connection.
C
CA
The Certificate Authority (CA)
issues certificates to entities such
as gateways, users, or computers.
The entity later uses the
certificate to identify itself and
provide verifiable information.
For instance, the certificate
includes the Distinguishing
Name (DN) (identifying
information) of the entity, as
well as the public key
(information about itself), and
possibly the IP address.
After two entities exchange and
validate each other's certificates,
they can begin encrypting
information between themselves
using the public keys in the
certificates.
Cable Modem
A device connecting a computer
to the Internet via the cable
television network. Cable
modems offer a high-speed
'always-on' connection.
Certificate Authority
The Certificate Authority (CA)
issues certificates to entities such
as gateways, users, or computers.
The entity later uses the
certificate to identify itself and
provide verifiable information.
For instance, the certificate
includes the Distinguishing
Name (DN) (identifying
information) of the entity, as
well as the public key
(information about itself), and
possibly the IP address.
After two entities exchange and
validate each other's certificates,
they can begin encrypting
information between themselves
using the public keys in the
certificates.
Cracking
An activity in which someone
breaks into someone else's
computer system, bypasses
passwords or licenses in
computer programs; or in other
ways intentionally breaches
computer security. The end
result is that whatever resides on
the computer can be viewed and
Glossary of Terms