CA | Certificate authority. A trusted entity that registers the digital identity of a site or |
| individual and issues a digital certificate that guarantees the binding between the |
| the identity and the data items in a certificate. |
CCM | Centralized configuration management. The process by which information is |
| shared between a Primary RADIUS server and one or more Replica RADIUS |
| servers in a |
certificate | A digital file signed by a CA that guarantees the binding between an identity and |
| the contents of the certificate. |
CHAP | Challenge Handshake Authentication Protocol. |
checklist | An attribute that must be sent from a RAS to a RADIUS server as part of an |
attribute | authentication request. If a required checklist attribute is not present, the |
| RADIUS server returns an |
credentials | Data that is verified when presented to an authenticator, such as a password or a |
| digital certificate. |
CRL | Certificate Revocation List. A data structure that identifies the digital certificates |
| that have been invalidated by the certificates’ issuing CA prior to their expiration |
| date. |
dictionary | Text file that stores the lists of RADIUS attributes used to parse |
| authentication/accounting requests and generate responses. |
DHCP | Dynamic Host Configuration Protocol. Protocol by which a server automatically |
| assigns (leases) a network address to a client temporarily or permanently. |
DNIS | Dialed number identification service. A telephone service that identifies what |
| number was dialed by a caller. |
DNS | Domain Name Service. |
EAP | Extensible Authentication Protocol. An |
| for network access that acts as a transport for multiple authentication methods or |
| types. Defined by RFC 2284. |
| Authentication method that uses EAP (Extensible Authentication Protocol) and |
| TTLS (Tunneled Transport Layer Security). |
IEEE | Institute of Electrical and Electronics Engineers, Inc. |
100 | Glossary | September 2005 |