User manual

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DNS
A Domain Name System is a hierarchical distributed naming system for computers, services,
or any resource connected to the Internet or a private network. This allows the recognition
ofdomainnamessuchaswww.yahoo.cominsteadof98.139.183.24,whichismoredifcultto
remember.
Domain
A portion of the spanning hierarchy tree that refers to general groupings of networks based
on organization type or geography.
DoS
Denial of Service is an interruption in an authorized user’s access to a computer network and
is typically caused with malicious intent. Although the process and targets of a DoS attack
vary,itgenerallyconsistsofeffortstotemporarilyorindenitelyinterruptorsuspendser-
vices of a host connected to a network.
Download
Thetransferofalefromaremotecomputertoalocalcomputer.
Dynamic IP
An IP address that is assigned and changed periodically. Dynamic IP addresses can change
each time you connect to the Internet, while static IP addresses are reserved for you statically
and don’t change over time.
Encryption
Theapplicationofaspecicalgorithmtodatasoastoaltertheappearanceofthedatamak-
ing it incomprehensible to those who are not authorized to see the information.
Firewall
A router or access server, or several routers or access servers designated as a buffer between
anyconnectedpublicnetworksandaprivatenetwork.Arewallrouterusesaccesslistsand
other methods to ensure the security of the private network.
Firmware
A collection of programmed routines and instructions that is implemented in a computer chip
or similar hardware form instead of a software form. Please check www.engeniustech.com for
rmwareupdates.
FTP
AnapplicationprotocolthatusestheTCP/IPprotocols.Itisusedtoexchangelesbetween
computers/devices on networks.
Gateway
A gateway is a point in a network that acts as an entry point to another network. In a
corporate network for example, a computer server acting as a gateway often also acts as a
proxyserverandarewallserver.Agatewayisoftenassociatedwithbotharouter,which
knows where to direct a given packet of data that arrives at the gateway,and a Switch, which
furnishes the actual path in and out of the gateway for a given packet.
Guest Network
A guest network is a section of an computer network designed for use by temporary visitors.
This subnetwork often provides full Internet connectivity, but also strictly limits access to any
internalWebsitesorles.