Bedienungsanleitung Netgear WGR614 v5 (Seite 161 von 172) (Englisch)

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Reference Manual for the 54 Mbps Wireless Router WGR614 v5

Glossary

June 2004 202-10036-01

The DMZ sits between the Internet and an internal network's line of defense, usually some combination of

firewalls and bastion hosts. Typically, the DMZ contains devices accessible to Internet traffic, such as Web

(HTTP) servers, FTP servers, SMTP (e-mail) servers and DNS servers.

DNS

Short for Domain Name System (or Service), an Internet service that translates domain names into IP

addresses.

Because domain names are alphabetic, they're easier to remember. The Internet however, is really based on

IP addresses. Every time you use a domain name, therefore, a DNS service must translate the name into the

corresponding IP address. For example, the domain name www.example.com might translate to

198.105.232.4. The DNS system is, in fact, its own network. If one DNS server doesn't know how to

translate a particular domain name, it asks another one, and so on, until the correct IP address is returned.

Domain Name

A descriptive name for an address or group of addresses on the Internet. Domain names are of the form of a

registered entity name plus one of a number of predefined top level suffixes such as .com, .edu, .uk, etc. For

example, in the address mail.NETGEAR.com, mail is a server name and NETGEAR.com is the domain.

DoS

A hacker attack designed to prevent your computer or network from operating or communicating.

DSL

Short for digital subscriber line, but is commonly used in reference to the asymmetric version of this

technology (ADSL) that allows data to be sent over existing copper telephone lines at data rates of from 1.5

to 9 Mbps when receiving data (known as the downstream rate) and from 16 to 640 Kbps when sending data

(known as the upstream rate).

ADSL requires a special ADSL modem. ADSL is growing in popularity as more areas around the world

gain access.

DSLAM

DSL Access Multiplexor. The piece of equipment at the telephone company central office that provides the

ADSL signal.

Dynamic Host Configuration Protocol

DHCP. An Ethernet protocol specifying how a centralized DHCP server can assign network configuration

information to multiple DHCP clients. The assigned information includes IP addresses, DNS addresses, and

gateway (router) addresses.

EAP

Extensible Authentication Protocol is a general protocol for authentication that supports multiple

authentication methods.

EAP, an extension to PPP, supports such authentication methods as token cards, Kerberos, one-time

passwords, certificates, public key authentication and smart cards. In wireless communications using EAP, a

user requests connection to a WLAN through an AP, which then requests the identity of the user and

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