Appendix C Glossary - TP-Link SafeStream TL-ER6020 User Manual

Appendix C Glossary

Glossary
DSL (Digital Subscriber
Line)
ALG （ Application Layer
Gateway）
A
ARP （ Address Resolution
Protocol）
AH （Authentication Header）
DDNS （ Dynamic Domain
Name Server）
DHCP （ Dynamic
Configuration Protocol）
D
DMZ（Demilitarized Zone）
DNS（Domain Name
Server）
ESP（Encapsulating
E
Security Payload）
FTP（File Transfer
F
Protocol）
GMT （ Greenwich Mean
G
Time）
Description
A technology that allows data to be sent or received over
existing traditional phone lines.
Application Level Gateway (ALG) is application specific
translation agent that allows an application on a host in one
address realm to connect to its counterpart running on a host in
different realm transparently.
Internet protocol used to map an IP address to a MAC address.
A security protocol that provides data authentication and
optional anti-replay services. AH is embedded in the data to be
protected (a full IP datagram).
The capability of assigning a fixed host and domain name to a
dynamic Internet IP address.
A protocol that automatically configure the TCP/IP parameters
Host
for the all the PCs that are connected to a DHCP server.
A Demilitarized Zone allows one local host to be exposed to the
Internet for a special-purpose service such as Internet gaming
or videoconferencing.
An Internet Server that translates the names of websites into IP
addresses.
Security protocol that provides data privacy services, optional
data authentication, and anti-replay services. ESP encapsulates
the data to be protected.
Application protocol, part of the TCP/IP protocol stack, used for
transferring files between network nodes.
It is a term originally referring to mean solar time at the Royal
Observatory in Greenwich, London.
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