Sierra Wireless PinPoint X Betriebsanweisung PDF herunterladen (Seite 14)

Introduction to the PinPoint X

Rev 4.0 Oct.09 8

Virtual serial port

ThePinPointXsupportsonevirtualserialport overUSB.This

VSPcanbeused,forexample,tosendATcommands,ortorun

manyserialbasedapplicationssuchasHyperTerminal

Networking

IPSec

TheIPprotocolthatdrivestheInternetisinherentlyinsecure.

InternetProtocolSecurity(IPSec),whichisastandards‐based

protocol,securescommunicationsofIPpacketsoverpublic

networks.

IPSecisacommonnetworklayersecuritycontrolandisused

tocreateavirtualprivatenetwork(VPN).

TheadvantagesoftheIPSecfeatureincludes:

• DataProtection:DataContentConfidentialityallowsusers

toprotecttheirdatafromanyunauthorizedview,because

thedataisencrypted(encryptionalgorithmsareused).

• AccessControl:AccessControlimpliesasecurityservice

thatpreventsunauthorizeduseofaSecurityGateway,a

networkbehindagatewayorbandwidthonthatnetwork.

• DataOriginAuthentication:DataOriginAuthentication

verifiestheactualsender,thu seliminatingthepossibility

offorgingtheactualsender’sidentificationbyathird‐

party.

• DataIntegrity:DataIntegrityAuthenticationallowsboth

endsofthecommunicationchanneltoconfirmthatthe

originaldatasenthasbeenreceivedastransmitted,

withoutbeingtamperedwithintransit.Thisisachieved

byusingauthenticationalgorithmsandtheiroutputs.

TheIPSecarchitecturemodelincludestheSierraWireless

AirLinkgatewayasaremotegatewayatoneendcommuni

‐

cating,throughaVPNtunnel,withaVPNgatewayatthe

otherend.TheremotegatewayisconnectedtoaRemote

networkandtheVPNisconnectedtotheLocalnetwork.The

communicationofdataissecurethroughtheIPSecprotocols.

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 39 40

Keine Kommentare

Sierra Wireless PinPoint X Betriebsanweisung Seite 14