Appendix A. Glossary - D-Link DWC-1000 User Manual

Wireless Controller

Appendix A. Glossary

ARP
Address Resolution Protocol. Broadcast protocol for mapping IP addresses to MAC addresses.
CHAP Challenge-Handshake Authentication Protocol. Protocol for authenticating users to an ISP.
Dynamic DNS. System for updating domain names in real time. Allows a domain name to be
DDNS
assigned to a device with a dynamic IP address.
Dynamic Host Configuration Protocol. Protocol for allocating IP addresses dynamically so that
DHCP
addresses can be reused when hosts no longer need them.
Domain Name System. Mechanism for translating H.323 IDs, URLs, or e-mail IDs into IP
DNS addresses. Also used to assist in locating remote gatekeepers and to map IP addresses to
hostnames of administrative domains.
Fully qualified domain name. Complete domain name, including the host portion. Example:
FQDN
serverA.companyA.com.
FTP File Transfer Protocol. Protocol for transferring files between network nodes.
HTTP Hypertext Transfer Protocol. Protocol used by web browsers and web servers to transfer files.
Internet Key Exchange. Mode for securely exchanging encryption keys in ISAKMP as part of
IKE
building a VPN tunnel.
IP security. Suite of protocols for securing VPN tunnels by authenticating or encrypting IP
IPsec packets in a data stream. IPsec operates in either transport mode (encrypts payload but not
packet headers) or tunnel mode (encrypts both payload and packet headers).
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