HP 800 User Manual page 562

Glossary
authenticator: A component of 802.1X that is the access point, such as a
Authentication server: A component of 802.1X that is the server that authenticates
backdoor: A disguised or hidden entry point in a software program or
blacklist: A list of devices or endpoints that are denied access to a
CA/PKI: Certificate Authority/Public Key Infastructure
cache: A location where information is stored that can be accessed
CHAP: Challenge-handshake Authentication Protocol – A protocol
G-2
API: Application Programming Interface – The interface to an
application's source code. Other computer programs can
communicate with the application through this interface.
APIC: Advanced Programmable Interrupt Controller – A device that
provides support for multiple processors by allowing for mul-
tiple programable interrupts.
switch, that prevents access when authentication fails. The
authenticator can be simple and dumb.
the user credentials; usually a Remote Authentication Dial-In
User Service RADIUS) server.
BIOS: Basic Input/Output System
system. An open backdoor can be intentional (for mainte-
nance use), or unintentional. If a backdoor is discovered,
malicious users or software can gain entry and cause damage.
system or are denied privileges. In NAC 800, endpoints and
domains that are always quarantined.
quickly. This location can be in memory or in a file.
CD: Compact disc
used to authenticate users.
CIDR: Classless InterDomain Routing – A method of specifying net-
works and subnetworks (subnets) that allows grouping and
results in less router overhead.