SonicWALL Secure Remote Access Solutions SSL-VPN 2000 User Manual download pdf (Page 66)

SonicWALL SSL-VPN 2000 Getting Started Guide Page 65

Glossary of Networking Terms

ActiveX - A technology that allows the sharing of applications and data across the Web. For

example, Active X allows you to view Microsoft Word and Adobe Acrobat documents

within the Internet Explorer Web browser without downloading the files and launching the

appropriate application. The SonicWALL SSL VPN network client, NetExtender, uses an

ActiveX control when launched or installed from Internet Explorer on Windows. With

Firefox, XPCOM is used, which is similar to ActiveX. On Linux or MacOS systems, Java

is used with NetExtender.

Default Gateway - A device on an internetwork that forwards packets to another network.

DHCP - Dynamic Host Configuration Protocol allocates IP addresses to computers on the

network automatically without assigning a computer a static (fixed) IP address.

DMZ - A network zone segregated from the LAN, typically used for servers accessible from

the Internet. Traffic between the Internet and the DMZ and between the DMZ and the

LAN can be carefully monitored and controlled. DMZ comes from “Demilitarized Zone”.

DNS - Domain Name System, a hierarchical naming system that resolves a domain name

with its associated IP address. A DNS server looks up the name of a computer and finds

the corresponding IP address. This allows users to access hosts using friendly text-based

names instead of IP addresses. These names are called fully qualified domain names

(FQDN).

IP Address - Internet Protocol Address, a thirty-two bit number that identifies a computer or

other resource on the Internet or on any TCP/IP network. The number is usually

expressed as four numbers from 0 to 255 separated by periods, for example,

172.16.31.254.

LAN - A Local Area Network is typically a group of computers located at a single location, and

is commonly based on the Ethernet architecture.

NetExtender - A network client that allows Windows users to connect to a network through

the SonicWALL SSL-VPN 2000. When using NetExtender, users have access to files and

network resources as if they were physically within the network.

Portal - A gateway, usually through the Internet to network resources or services. The

SonicWALL SSL-VPN 2000 provides a Portal as the user interface for remote access to

protected LAN resources such as Web and FTP servers, files shares, and remote

desktops.

PPPoE - The Point to Point Protocol over Ethernet supports the transmission of network

packets over an analog phone line.

Private IP Address - An IP address for a resource in your network that is not known or

published outside the zone (for example LAN) where it is located.

Public IP Address - An IP address for a resource in your network that is published outside

your network to the WAN.

Router - A device that routes data between networks through IP address information in the

header of the IP packet. A router forwards packets to other routers until the packets reach

their destination. The Internet is the largest example of a routed network.

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SonicWALL Secure Remote Access Solutions SSL-VPN 2000 User Manual Page 66