D-Link DWC-1000 User Manual - Page 320

Wireless Controller Appendix A. Glossary User Manual ARP CHAP DDNS DHCP DNS FQDN FTP HTTP IKE IPs e c Address Resolution Protocol. Broadcast protocol for mapping IP addresses to MAC addresses. Challenge-Handshake Authentication Protocol. Protocol for authenticating users to an ISP. Dynamic DNS. Systemfor updating domain names in real time. Allow s a domain name to be assigned to a device w ith a dynamic IP address. Dynamic Host Configuration Protocol. Protocol for allocating IP addresses dynamically so that addresses can be reused w hen hosts no longer need them. Domain Name System. Mechanism f or translating H.323 IDs, URLs, or e-mail IDs into IP 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 por tion. Example: serverA.companyA.com. File Transfer Protocol. Protocol for transferring files between network nodes. Hypertext Transfer Protocol. Protocol used by w eb browsers and web servers to transfer files. Internet Key Exchange. Mode for securely exchanging encryption keys in ISAKMP as part of building a VPN tunnel. IP security. Suite of protocols for securing VPNtunnels by authenticating or encrypting IP 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). 318