How to connect to a Virtual Private Network |

Overview of a VPNloadTOCNode(2, 'moreinformation'); A VPN is a method of connecting to a private network (for example, your officecreated network) by way ofover a public network (forone. example,It’s thedone Internet). Awith VPNencryption, givesthis youway, theyour benefitdata ofis aencapsulated dial-upand connectionsecure toin atransit dial-up– server,this pluscreates the ease and flexibility of an Internet connection.‘virtual’ Usingtunnel. anA InternetVPN connectionis permitsa youmethod toof connectconnecting to resources all over the world and still, in most places, connect toa yourprivate officenetwork by making a localpublic callnetwork tolike the nearestInternet. InternetAn accessinternet phoneconnection number.in Ifa youcompany haveis acommon. high-speedAn Internet connection such as cable or digital subscriberin linea (DSL)Home atis yourcommon computertoo. andWith atboth yourof office,these, you can communicate with your office atcould full Internet speed. Thiscreate isan muchencrypted fastertunnel thanbetween anythem dial-upand connectionpass thattraffic, usessafely an- analogsecurely. modem.
VPNs useIf authenticatedyou linkswant to make surecreate thata onlyVPN authorizedconnection usersyou canwill connecthave to your network, and they use encryption to make sure that others cannot intercept and cannot usethe data thatin travelstransit overwhile traversing the Internet. Windows XP achievesprovides thisa certain level of security by using Point-to-Point Tunneling Protocol (PPTP) or Layer Two Tunneling Protocol (L2TP). A Tunneling Protocol isThey aare technologyboth thatconsidered helpstunneling makeprotocols the– transfersimply ofbecause informationthey overcreate thethat Internetvirtual moretunnel securejust fromdiscussed, oneby computerapplying toencryption. another.
VPN technology also permits

Configure a corporation to connect toVPN itswith branchXP

If officesyou orwant to other companies overconfigure a public network, such as the Internet, while helping to maintain secure communications. The VPN connection across thefrom Interneta logicallyWindows operatesXP asclient acomputer dedicatedyou wideonly areaneed networkwhat (WAN)comes link.with Configurethe aOperating VPNSystem connectionitself, fromit's aall clientbuilt computerloadTOCNode(2,right 'moreinformation');in. To set up a connection to a VPN, followdo thesethe steps: following:

1. On the computer that is running Windows XP, confirm that the connection to the Internet is correctly configured.For more information

• You aboutcan howtry to test your Internet configuration, clickbrowse the following article number tointernet
• Ping viewa theknown articlehost inon the Microsoft Knowledge Base: 314067 (http://support.microsoft.com/kb/314067/ ) How toInternet, troubleshootlike TCP/IPyahoo.com, connectivitysomething withthat Windowsisn’t XPblocking ICMP

2. Click Start,Start, and then click Control Panel. Panel.

3. In Control Panel, double-clickdouble click Network Connections.

4. Click Create a new connection. in the Network Tasks task pad

5. In the Network Connection Wizard, click Next. Next.

6. Click Connect to the network at my workplace,workplace, and then click Next. Next.

7. Click Virtual Private Network connection,connection, and then click Next.Next.
8. If you are promptedprompted, to, doyou oneneed ofto theselect following: Ifwhether you will use a dial-updialup connection to connect to the Internet,or clickif Automaticallyyou dialhave thisa initialdedicated connection, andto thenthe clickInternet youreither dial-upvia InternetCable, connectionDSL, fromT1, theSatellite, list. etc. IfClick youNext. use

9. Type a full-time connection suchhost asname, aIP cableor modem,any clickother Dodescription notyou dialwould thelike initialto connection. Clickappear Next. Typein the name of yourNetwork companyConnections orarea. typeYou acan descriptivechange namethis forlater theif connection,you andwant. thenClick clickNext. Next.

10. Type the host name or the Internet Protocol (IP) address of the computer that you want to connect to, and then click Next.Next.
11. ClickYou Anyone'smay usebe asked if you want the connection to be available to anyone who logs onuse toa theSmart computer,Card or click My use onlynot. to

12. You makeare itjust availableabout onlydone, whenthe yourest logof onthe toscreens thejust computer,verify andyour thenconnection, click Next. Next.

13. Click to select the Add a shortcut to this connection to my desktop check box if you want toone, createif anot, shortcutthen onleave theit desktop,unchecked and then click Finish.finish.
14. IfYou you are promptednow done making your connection, but by default, it may try to connect,connect. clickYou No. can either try the connection now if you know its valid, if not, then just close it down for now.

15. In the Network Connections window, right-click the new connection.connection and select properties. Let’s take a look at how you can customize this connection before it’s used.
16. ClickThe first tab you will see if the PropertiesGeneral, andTab. thenThis configureonly morecovers optionsthe forname of the connection: Ifconnection, which you arecan connectingalso rename from the Network Connection dialog box by right clicking the connection and selecting to rename it. You can also configure a domain,First clickconnect, which means that Windows can connect the Optionspublic tab,network and(like thenthe clickInternet) before starting to selectattempt the Include‘VPN’ Windowsconnection. logonThis domainis checka boxperfect example as to specifywhen whetheryou towould requesthave Windowsconfigured logonthe domaindialup informationconnection; beforethis would have been the first thing that you trywould have to connect. Ifdo. youIt's wantsimple, theyou computerhave to redialbe connected to the connectionInternet iffirst thebefore lineyou can encrypt and send data over it. This setting makes sure that this is dropped,a clickreality for you.

17. The next tab is the Options tab,Tab. andIt thenis clickThe toOptions selecttab thehas Rediala iflot lineyou iscan droppedconfigure checkin box.Toit. useFor one, you have the connection,option followto theseconnect steps: Useto onea ofWindows theDomain, followingif methods: Clickyou Start,select pointthis tocheck Connectbox To,(unchecked andby default), then clickyour theVPN newclient connection. Ifwill yourequest Windows addedlogon adomain connectioninformation shortcutwhile starting to work up the desktop,VPN double-clickconnection. theAlso, shortcutyou onhave theoptions desktop. Ifhere for redialing. Redial attempts are configured here if you are notusing currentlya connecteddial up connection to get to the Internet,Internet. WindowsIt offersis tovery connecthandy to redial if the Internet. line is dropped as dropped lines are very common.

After your

18. The computernext connectstab tois the Internet,Security Tab. This is where you would configure basic security for the VPN serverclient. This is promptswhere you forwould yourset userany nameadvanced andIPSec password.configurations Typeother yoursecurity userprotocols nameas andwell password,as requiring encryption and thencredentials.

19. The clicknext Connect.tab Youris networkthe resourcesNetworking shouldTab. beThis availableis towhere you incan justselect likewhat theynetworking areitems whenare youused connectby directlythis toVPN theconnection. network.

To

20. The disconnectLast fromtab is the VPN,Advanced right-clickTab. theThis iconis where you can configure options for theconfiguring connection,a andfirewall, thenand/or clicksharing. Disconnect.

Note

Connecting Ifto Corporate

Now that you cannothave connectyour XP VPN client all set up and ready, the next step is to sharedattempt a resourcesconnection onto the remoteRemote networkAccess byor computer,VPN youserver canset up at the corporate office. To use the remoteconnection follow computer'sthese IPsimple addresssteps. toTo connectopen bythe usingclient again, UNCgo (\\<IP_Address>\Share_name).back Editto the hostsNetwork Connections dialog box.

1. One you fileare in the Windows\System32\Drivers\Network Connection dialog box, double-click, folder,or right click and addselect an‘Connect’ entryfrom tothe menu – mapthis will initiate the connection to the remotecorporate office.

2. Type your server'suser name and password, and then click Connect. Properties bring you back to itswhat IPwe address.just Thendiscussed usein this article, all the computerglobal namesettings infor athe VPN UNCclient connectionyou are (\\Server_name\Share_name).using.

3. To disconnect from a VPN connection, right-click the icon for the connection, and then click “Disconnect”