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TL-R402M Cable/DSL Router User Guide
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Appendix D: Glossary
DDNS (Dynamic Domain Name System) - The capability of assigning a fixed host and domain
name to a dynamic Internet IP address.
DHCP (Dynamic Host Configuration Protocol) - A protocol that automatically configure the TCP/IP
parameters for the all the PCs that are connected to a DHCP server.
DMZ (Demilitarized Zone) - A Demilitarized Zone allows one local host to be exposed to the
Internet for a special-purpose service such as Internet gaming or videoconferencing.
DNS (Domain Name Server) - An Internet Server that translates the names of websites into IP
addresses.
Domain Name - A descriptive name for an address or group of addresses on the Internet.
DoS (Denial of Service) - A hacker attack designed to prevent your computer or network from
operating or communicating.
DSL (Digital Subscriber Line) - A technology that allows data to be sent or received over existing
traditional phone lines.
ISP (Internet Service Provider) - A company that provides access to the Internet
MTU (Maximum Transmission Unit) - The size in bytes of the largest packet that can be
transmitted.
NAT (Network Address Translation) - NAT technology tra
n
slates IP addresses of a local area
network to a different IP address for the Internet.
PPPoE (Point to Point Protocol over Ethernet) - PPPoE is a protocol for connecting remote hosts
to the Internet over an always-on connection by simulating a dial-up connection.
L2TP (Layer 2 Tunneling Protocol) - The L2TP Protocol is used for integrating multi-protocol
dial-up services into existing Internet Service Providers Point of Presence.