How to Setup a Pptp Server Using Windows Nt1705

8/12/2019 How to Setup a Pptp Server Using Windows Nt1705

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Server Operating System

White Paper

Installing, Configuring, and Using PPTPwith Microsoft Clients and Servers

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Point-to-Point Tunneling Protocol (PPTP) is a network protocol that enables the securetransfer of data from a remote client to a private enterprise server, creating a virtual privatenetwork (VPN ) by using T P!"P-based data networks# PPTP supports multiple networkprotocols ("P, "P$, and Net%&'") and can be used for virtual private networking over publicand private networks# ou can use PPTP to provide secure, on-demand, virtual networksby using dial-up lines, local area networks ( *Ns), wide area networks (+*Ns), or the"nternet and other public, T P!"P-based networks#

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Installing, Configuringand Using PPTP with Microsoft Clientsand Servers


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1997 Microsoft Corporation. All rights reserved.

The information contained in this document represents the current vie of Microsoft Corporation on the issuesdiscussed as of the date of pu!lication. "ecause Microsoft must respond to changing mar#et conditions$ it shouldnot !e interpreted to !e a commitment on the part of Microsoft$ and Microsoft cannot guarantee the accuracy ofany information presented after the date of pu!lication.

This %hite &aper is for informational purposes only. M'C(OSO)T MA*+S ,O %A((A,T'+S$ +-&(+SS O('M& '+/$ ', T0'S /OC M+,T.

Microsoft$ %indo s$ and %indo s ,T are registered trademar#s$ and "ac#Office and the "ac#Office logo aretrademar#s of Microsoft Corporation.

Other product or company names mentioned herein may !e the trademar#s of their respective o ners.

Microsoft Corporation 2 One Microsoft %ay 2 (edmond$ %A 93456 8 99 2 SA

4197 &art no. 493 83585


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Using PPTP..................................................................................1

Planning for PPTP and Virtual Private etwor!s......................."Hardware Requirements 3

The PPTP Server 3The PPTP Client 3

Network Protocols on the Private Enterprise Network 3

#efore Installing PPTP................................................................ $

Installing and Configuring PPTP on a PPTP Server....................%Installin PPTP on a PPTP Server !

"ddin #PN $evices as R"S Ports on a PPTP Server %Con&i urin PPTP Server Encr'ption and "uthentication (ptions )Con&i urin Server Encr'ption &or PPTP )Con&i urin PPTP *ilterin on the PPTP Server +Con&i urin ,"N Routin on the PPTP Server -

Ena.le IP *orwardin / "ddin the $ont"dd$e&ault0atewa' Re istr' Entr' / "ddin Static Routes &or the Private Network /

Installing and Configuring PPTP on a PPTP Client.....................&Installin PPTP on a PPTP Client %

"ddin a #PN $evice as a R"S Port on the PPTP Client 1

Configuring 'ial(Up etwor!ing on the PPTP Client..... ...... ....1)Creatin the Phone.ook Entr' to $ial a ISP )2Creatin the Phone.ook Entr' to $ial a PPTP Server )+

Using PPTP to connect to a PPTP server *+ 'ialingan ISP................................................................................... ..... 1

'ialing(up an ISP PPTP Service to connect to a PPTP Server 1

Using PPTP -ver the / to Connect to a PPTP Server..... ... .1Point to Point Tunnelin Protocol 4PPTP5 is a network protocol that ena.les the

secure trans&er o& data &rom a remote client to a private enterprise server6 thuscreatin a virtual private network 4#PN 5 .' usin TCP7IP .ased data networks8PPTP supports multiple network protocols 4IP6 IP96 and Net:E;I5 and can .eused &or virtual private networkin over pu.lic and private networks8


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This white paper provides in&ormation on how to install6 con&i ure and usePPTP on computers runnin =indows NT =orkstation version -828and=indows NT Server version -82 operatin s'stems8 The main topics o& thisdocument are> plannin &or PPTP installation and con&i uration what 'ou must know .e&ore installin PPTP installin and con&i urin a PPTP server installin and con&i urin a PPTP client usin PPTP to dial up an ISP and connect to a PPTP server usin Point to Point 4PPP5 to connect to a PPTP server .' usin an ISP

PPTP service usin PPTP over the ,"N to connect to a PPTP server

Note

This document provides in&ormation a.out how to install6 con&i ure6 and usePPTP on computers runnin =indows NT Server version -82 and =indows NT=orkstation version -828 I& 'ou need in&ormation a.out the architecture6components6 and &eatures o& PPTP6 see the white paper titled ?;nderstandinPPTP8@

" virtual private network can .e de&ined as an on demand connection .etweentwo computers in di&&erent locations8 It consists o& the two computers 4onecomputer at each end o& the connection5 and a route6 or tunnel 6 over a pu.lic orprivate network8 To ensure privac' and secure communication6 data transmitted

.etween the two computers is encr'pted .' the Point to Point Protocol 4PPP54a remote access protocol5 and then routed over a dial up or ,"N connection

.' a PPTP device8 In =indows NT Server and = indows NT =orkstationterminolo '6 this device is re&erred to as a virtual private net or# or #PN8

PPTP uses the #PN device to esta.lish and maintain private6 securecommunication .etween computers8 It does this .' usin Remote "ccessService 4R"S5 and $ial ;p Networkin to communicate over dial up lines andpu.lic and private networks8

The most common scenario in which a network administrator can use PPTPis one in which the remote user connects to an enterprise network .' usin $ial;p Networkin and an Internet Service Provider 4ISP5 connection to the

Internet8 (ther scenarios in which a network administrator can use PPTP toprovide secure and encr'pted communication include the &ollowin > Remote user access usin $ial ;p Networkin to connect directl' to a PPTP

ena.led network access server6 such as a computer con&i ured with=indows NT Server version -82 and R"S8 This scenario starts with a remotecomputer usin PPP to dial up an ISP server that is con&i ured as a &&T&client 8 The ISP server then accesses a PPTP tunnel that oes &rom the ISP6

P / I 0 2-3 PPTP/ ' VI3TU/P3IV/T TW-34S


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over the Internet6 to the PPTP server on the private network8 ,ocal network access usin $ial ;p Networkin on a ,"N connection to

create a PPTP tunnel across the ,"N to another computer on the same,"N8 This scenario starts with a remote or local computer con&i ured as a&&T& client 8 The second computer6 at the other end o& the PPTPconnection6 must .e con&i ured as a &&T& server 8 The PPTP client must .ea.le to connect6 via the tunnel to a PPTP server usin the PPTP devicere&erred to as a #PN8

5ardware 3e6uire7entsThe PPTP Server

The computer that is con&i ured as a PPTP server must have the minimumcon&i uration required to run =indow NT Server version -828 In addition6 twonetwork adapter cards6 also re&erred to as network inter&ace cards 4NICs56 arerequired8 (ne adapter is connected to the InternetA the other is connected to theprivate enterprise network8

(ne o& the primar' advanta es o& PPTP is that it reduces or eliminates theneed &or dedicated6 telecommunications equipment to support remote andmo.ile users who need to connect to the enterprise network8 PPTP ena.lessecure use o& pu.lic or outsourced telecommunication networks8 This reducesthe cost o& ownin and maintainin dedicated6 telecommunication equipment8

The PPTP Client

" PPTP client can .e a computer con&i ured with either =indows NT=orkstation version -82 or = indows NT Server version -828 Thus6 the minimumhardware con&i uration &or a PPTP client is dependent on which operatins'stem is .ein used8

It is important to note that an ISP network access server 4N"S5 can also .ea PPTP client8 In this case6 the N"S hardware can .e a PPTP ena.led serveror router manu&actured .' a variet' o& companies6 includin mem.ers o& thePPTP *orum such as "scend Communications6 37Com7Primar' "ccess6 ECITelematics and ;S Ro.otics8

I& the PPTP client is a remote or mo.ile enterprise user that connects to anenterprise PPTP server .' usin dial up lines over the Internet6 additionalhardware is requiredA such as an analo modem or Inte rated Service $i italNetwork 4IS$N5 device and a device &or telephone access6 such as a telephonewall Back8

I& the PPTP client is connectin over the ,"N to a PPTP server6 theadditional hardware required is the network adapter that is ph'sicall' wired to

the ,"N network8

etwor! Protocols on the Private nterprise etwor!PPTP ena.les 'ou to use virtual private networkin over pu.lic TCP7IPnetworks and retain e istin network protocols6 network node addresses6 andnamin schemes on the private enterprise network8 Thus6 no chan es toe istin network con&i urations and to network .ased applications are required


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when usin PPTP to tunnel across the Internet or other TCP7IP .ased pu.licnetworks8 *or e ample6 IP9 or Net:E;I clients can continue to run applicationsthat require these protocols8

Name resolution methodsDsuch as =indows Internet Namin Service4=INS5 &or Net:I(S computers6 $omain Name S'stem 4$NS5 &or TCP7IP hostnames6 and Service "dvertisement Protocol 4S"P5 &or IP9 networkin Ddo notneed to .e chan ed8 In addition6 IP addresses that are not valid on the Internetcan .e used on the private network8

Note6 however6 that the address and name resolution schemes on theprivate enterprise network must .e correctl' con&i ured8 I& the' are not6 PPTPclients will not a.le to communicate with computers on the private network8:e&ore 'ou .e in installin PPTP6 it is important that 'ou understand the&ollowin points> PPTP uses icroso&tFs implementation o& R"S and the Point to Point

Protocol 4PPP5 to esta.lish connections with remote computers .' usindial up lines6 Ethernet networks6 or token rin networks8 PPP providesremote user authentication and data encr'ption .etween the PPTP clientand the PPTP server8 Thus6 to use PPTP 'ou must install and con&i ureR"S with $ial ;p Networkin on .oth PPTP clients and PPTP servers8

:ecause PPTP requires R"S and the PPP protocol6 'ou must esta.lish aPPP account with 'our ISP to use PPTP over an ISP connection to theInternet8

PPTP uses virtual devices called #PNs8 =hen 'ou con&i ure PPTP6 'ouinstall and con&i ure #PNs in R"S as i& the' were ph'sical devices6 Bust likemodems8

PPTP is installed and con&i ured on PPTP clients and PPTP servers onl'8Computers on the route .etween the PPTP client and PPTP server do notrequire PPTP installation8

" PPTP server can .e placed .ehind a &irewall on the private enterprisenetwork to ensure that tra&&ic in and out o& the private network over thePPTP server is secured .' the &irewall computer8

To ensure enterprise network securit'6 PPTP clients must .e authenticated4Bust like an' other remote user usin R"S and $ial ;p Networkin 5 in orderto connect to the private enterprise network8

;sin the Internet to esta.lish a connection .etween a PPTP client and aPPTP server means that the PPTP server must have a valid6 Internetsanctioned IP address8 However6 the encapsulated IP96 Net:E;I6 orTCP7IP packets sent .etween the PPTP client and the PPTP server can .eaddressed to computers on the private enterprise network usin privatenetwork addressin or namin schemes8 The PPTP server disassem.les thePPTP packet &rom the PPTP client and &orwards the packet to the correctcomputer on the private network8

# 2-3 I ST/ I 0PPTP


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PPTP is installed on a =indows NT .ased server as a network protocol .'usin the Protocols ta. in the Network option o& Control Panel8 Installin PPTP and then selectin the num.er o& #PN devices "ddin the #PN devices as R"S ports and devices Con&i urin encr'ption and authentication options

Installing PPTP on a PPTP Server

To install the &&T& protocol on a computer running %indo s ,T Serverversion :.4

)8Click Start 6 point to Settings 6 and click Control Panel 8+8$ou.le click Network in Control Panel 838Click the Protocols tab and then click Add to displa' the Select

Network Protocol dialo .o 8 The Select Network Protocol dialo .ois illustrated in the &ollowin &i ure8

I ST/ I 0 / 'C- 2I0U3I 0 PPTP- / PPTP S 3V 3


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)igure 1 Selecting the &&T& net or# protocol

-8 Select Point To Point Tunneling Protocol and click OK 8!8 T'pe the drive and director' location o& 'our =indows NT Server version

-82 installation &iles in the Windows NT Setup dialo .o 6 and then clickContinue 8 The PPTP &iles are copied &rom the installation director'6 and thePPTP Configuration dialo .o will appear as shown in the &ollowin &i ure8

)igure 6 Configuring the ,um!er of ;&, /evices for the &&T& Server

/8 Click the Number of Virtual Private Networks drop down arrow to selectthe num.er o& simultaneous #PNs 'ou want the server to support8 a5 Temporaril' stop installation o& PPTP .' clickin Cancel 6 closin Networkand shuttin down and restartin the computer8 Note that 'ou must per&ormthe procedure descri.ed in the &ollowin section ?"ddin #PN $evices asR"S Ports on a PPTP Server@ to complete installation o& PPTP8


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.5 Continue installation o& PPTP .' clickin Add to add the #PN devicesinstalled with PPTP to R"S8 4See step ! o& the &ollowin procedure85

/dding VP 'evices as 3/S Ports on a PPTP Server "&ter installin PPTP6 'ou must add the #PN devices to R"S8 *ollow thesesteps to add #PN devices on a computer runnin =indows NT Server version-828

To configure ;&, devices on the &&T& server

)8 Click Start 6 point to Settings 6 and then click Control Panel+8 $ou.le click Network in Control Panel 838 Click the Services ta. and select "emote Access Service 8-8 Click Properties to displa' the "emote Access Setup properties dialo

.o 8!8 Click Add 8 The Add "AS #evice properties dialo .o will appear as

shown in the &ollowin &i ure8

)igure Adding the ;&, /evices to (AS on the &&T& Server

/8 Click the "AS Capable #evices list arrow to displa' #PN devices that must.e added and con&i ured as a port and device in R"S8

%8 Select a #PN device and click OK 8 Repeat steps !6 /6 and % until all the#PNs are added to the "emote Access Setup properties dialo .o 8

G8 Select a #PN port and click Configure 8 #eri&' that the "eceive calls onl$option in the Port %sage dialo .o is selected and then click OK to returnto the "emote Access Setup properties dialo .o 8 4I& 'ou also use thisserver as a PPTP client and want to use this #PN device to dial out as aPPTP device6 select #ial&out 85

18 Repeat the last step &or each #PN device that is displa'ed on the "emote

Access Setup properties ta.8 4:' de&ault6 #PN devices on a computerrunnin =indows NT Server version -82 are automaticall' con&i ured withthe "eceive calls onl$ option6 .ut 'ou should veri&' this con&i uration85


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)28 Click Network to displa' the Network Configuration dialo .o 8 #eri&' thatonl' TCP7IP is checked in the Server Settings in the NetworkConfiguration dialo .o 8 Click OK to return to the "emote Access Setupproperties dialo .o 8

))8 Click Continue 8)+8 Close Network shut down6 and then restart the computer8

Configuring PPTP Server ncr+ption and /uthentication-ptions

This section provides procedures and in&ormation a.out con&i urin a PPTPserver8 This involves three sets> Encr'ptin data sent over the Internet "cceptin onl' PPTP packets &rom the Internet "ccessin a private network

Configuring Server ncr+ption for PPTPThe encr'ption o& data is per&ormed .' the remote access protocol PPP8


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)igure 5 Configuring the ;&, device ith encryption on the &&T& server

/8 Select "e(uire !icrosoft encr$pted aut)entication and "e(uire dataencr$ption 8 This con&i ures R"S and PPP to en&orce = indows NT .asedauthentication o& all remote clients connectin to the PPTP server8

%8 ClickOK to return to the "emote Access Setup properties dialo .o 8G8 ClickContinue 818 Close Network shut down6 and then restart the computer8

Configuring PPTP 2iltering on the PPTP Server Ena.lin PPTP &ilterin provides a &orm o& securit' &or 'our private network .'con&i urin an adapter on the computer to .lock all packets e cept PPTPpackets8 In a multi homed computer6 such as a PPTP server with one adapterconnected to the enterprise network and another adapter connected to theInternet6 PPTP &ilterin should .e ena.led on the adapter over which the PPTPconnection is .ein made8

In other words6 i& remote or mo.ile users connect to the enterprise network.' usin the PPTP server and the Internet6 PPTP &ilterin should .e ena.led onthe server adapter that is connected to the Internet8 PPTP &ilterin in this case isena.led .' con&i urin TCP7IP settin s &or the adapter that is connected to theInternet8

Note

=hen PPTP &ilterin is ena.led6 all other network packets are i nored8 Thus6

2 Installing, Configuring and Using PPTP with Microsoft Clients and Servers Microsoft Windows NT Server White Paper


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packets &rom TCP7IP utilities such as ping and tracert are not accepted .' theadapter on which PPTP &ilterin is ena.led8 This provides securit'6 .ut it alsomeans it can .e di&&icult to trou.leshoot possi.le pro.lems on the PPTP server.' usin the TCP7IP trou.leshootin utilities8

Microsoft Windows NT Server White Paper Installing, Configuring and Using PPTPwith Microsoft Clients and Servers 3

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To ena!le &&T& filtering on an adapter in the &&T& server

)8 Click Start 6 point to Settings 6 and then click Control Panel 8+8 $ou.le click Network in Control Panel838 Click the Protocols ta.6 select TCP*+P Protocol 6 and then click

Properties 8

-8 Click the +P Address ta. and then click Advanced 8!8 Click the Adapter drop down arrow and select the adapter connected to the

Internet8 Click ,nable PPTP -iltering as shown in the &ollowin dialo .o 8Note that &ilterin is ena.led onl' on network adapters8 *ilterin cannot .eena.led on modems or IS$N devices8

)igure 8 +na!ling &&T& )iltering on the &&T& server

/8 Click OK 6 click OK a ain6 and then close Network 8%8 Shut down and then restart the computer8

Configuring / 3outing on the PPTP ServerR"S must .e con&i ured to access 'our private network usin the appropriatenetwork protocols in order to ena.le the PPTP server to &orward a packet &roma PPTP client to the correct destination computer8 *or more in&ormation a.out

eneral R"S server con&i uration 4&or e ample6 usin TCP7IP6 IP96 orNet:E;I56 see Rassetup8hlp in the winnt s'stem3+ director'8

"&ter R"S is con&i ured to access the private network6 a PPTP server

! Installing, Configuring and Using PPTP with Microsoft Clients and Servers Microsoft Windows NT Server White Paper


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requires the &ollowin steps> The TCP7IP protocol must .e con&i ured to ena.le IP &orwardin 8 $e&ault routes must .e suppressed .' addin a Re istr' entr'8 Static routes to the private network must .e esta.lished8

Microsoft Windows NT Server White Paper Installing, Configuring and Using PPTPwith Microsoft Clients and Servers "

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na*le IP 2orwarding


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PPTP clients to reach8*or more in&ormation a.out ,"N to ,"N routin usin R"S6 consult the

=indows NT Server version -82 ,et or#ing Supplement 6 Chapter -6 ?Routinin =indows NT6@ or the icroso&t Jnowled e :ase article M)+)G%% availa.leon www8microso&t8com8

" PPTP client can connect to a PPTP server in three wa's> .' usin either dial up lines to the Internet .' usin a ,"N connection6 such as an Ethernet connection and adapter .' usin a network tap &ound in mo.ile o&&ice work areas6 such as a

con&erence roomThe procedures in this section assume the &ollowin > =indows NT = orkstation version -82 or = indows NT Server version -82 is

installed TCP7IP is installed on the computer8 R"S with $ial up Networkin is installed on the computer8 "n analo modem6 IS$N device6 or other modem device is installed and

con&i ured in R"S to ena.le 'ou to make a dial out connection &rom thecomputer8

I& 'ou are usin the Internet to connect to the PPTP server6 'ou have a PPPaccount with 'our ISP8

Installing PPTP on a PPTP Client

To install the &&T& protocol on a &&T& client running %indo s ,T

%or#station version :.4 or %indo s ,T Server version :.4)8 Click Start 6 point to Settings 6 and then click Control Panel 8+8 InControl Panel 6 dou.le click Network 838 Click the Protocols ta.6 and then click Add to displa' the Select Network

Protocol dialo .o 6 shown in the &ollowin &i ure8

Microsoft Windows NT Server White Paper Installing, Configuring and Using PPTPwith Microsoft Clients and Servers $

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I ST/ I 0 / 'C- 2I0U3I 0 PPTP- / PPTP C I T


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)igure 7 Selecting the &&T& net or# protocol on the &&T& client

-8 Select Point To Point Tunneling Protocol and click OK 8!8 T'pe the drive and director' location o& 'our installation &iles in the

Windows NT Setup dialo .o 6 and then click Continue 8The PPTP &iles are copied &rom the installation director' and the PPTPConfiguration dialo .o will appear as shown in the &ollowin &i ure8

)igure 3 Adding a ;&, device on the &&T& client

/8 Click the Number of Virtual Private Networks drop down arrow and selectthe num.er o& #PN devices 'ou want the client to support8


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G8 In the "emote Access Setup properties dialo .o 6 'ou can do either o&the &ollowin >a5 Temporaril' stop installation o& PPTP .' clickin Cancel 6 closinNetwork 6 and then shuttin down and restartin the computer8 Note that'ou must per&orm the procedure descri.ed in the &ollowin section ?"ddin a#PN $evice as a R"S Port on the PPTP Client@ to complete installation o&PPTP8.5 Continue installation .' clickin Add to add to R"S the #PN deviceinstalled with PPTP8 4See step ! o& the procedure descri.ed in the &ollowinsection85

/dding a VP 'evice as a 3/S Port on the PPTP Client


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dialo .o is the onl' option selected6 and then click OK 8 This returns 'ou tothe "emote Access Setup properties dialo .o 8

18 Click Network to displa' the Network Configuration dialo .o 8)28 #eri&' that the TCP*+P option in #ial out Protocols is the onl' option

checked6 and then click OK 8))8 Click Continue 8)+8 Close Network shut down6 and then restart the computer8

PPTP is most commonl' used &or ena.lin secure and encr'ptedcommunications to private enterprise networks via the Internet8 In this scenario6the PPTP client must have two phone.ook entries> one to connect to the ISPand one to connect to a PPTP server

However6 i& 'ou are usin PPTP to connect to another computer on the ,"N6'ou onl' need to have one phone.ook entr'A the PPTP server phone.ook entr'8

The &ollowin procedures descri.e how to use $ial ;p Networkin to createphone.ook entries &or the ISP and the PPTP server8

Creating the Phone*oo! ntr+ to 'ial a ISPI& 'ou are usin PPTP and $ial ;p Networkin to connect to a PPTP serverover the Internet6 'ou will need to create a Phone.ook entr' &or 'our ISP8

Note

Installed all network protocols used on the private network to which 'ou want

to connect Con&i ured R"S to dial out usin those network protocols8

To create a ne 'S& entry !y using the &hone!oo# %i=ard

)8 Click Start 6 point to Accessories 6 and then click #ial&%p Networking 8 4I&this is the &irst phone.ook entr' 'ou are creatin 6 the #ial&%p Networking dialo .o will appear8 Click OK 85

+8 T'pe the name o& 'our ISP in Name t)e new p)onebook entr$ 6 and thenclick Ne/t 8

38 Click + am calling t)e +nternet and click Ne/t 8 This con&i ures the

phone.ook entr' to use TCP7IP and PPP as the $ial ;p Networkinprotocols8

-8 Select 'our modem device in Select t)e modem or adapter t)is entr$ willuse on the !odem or Adapter dialo .o 6 and then click Ne/t 8

!8 T'pe the ISP phone num.er in P)one number on the P)one Number dialo .o 8 Click %se Telep)on$ dialing properties i& 'ou need to add an

' Installing, Configuring and Using PPTP with Microsoft Clients and Servers Microsoft Windows NT Server White Paper

C- 2I0U3I 0 'I/ (UPTW-34I 0 -

T5 PPTP C I T


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area code or other pre&i 8 Click Alternatives i& 'ou have an alternativephone num.er &or 'our ISP8

/8 Click Ne/t 6 and then click -inis) 8%8 #eri&' the phone.ook entr' .' usin the &ollowin procedure8

To verify or edit your 'S& phone!oo# entry

)8 Click !ore in #ial&%p Networking 6 and then click ,dit entr$ and modemproperties to veri&' that 'our ISP phone.ook entr' is correctl' con&i ured8The ,dit P)onebook ,ntr$ dialo .o is illustrated in the &ollowin &i ure8

)igure 14 +>ample &hone!oo# entry used to dial up an 'S&

+8 Review the in&ormation on the 0asic ta. to ensure that the phone num.er iscorrect and that the correct modem or IS$N device is selected8 ake an'necessar' chan es8

38 Click the Server ta.8 The Server ta. is illustrated in the &ollowin &i ure8

Microsoft Windows NT Server White Paper Installing, Configuring and Using PPTPwith Microsoft Clients and Servers


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)igure 11 ;erifying the /ial p Server properties

-8 Review the in&ormation on the Server ta. to ensure that the #ial&up servert$pe displa's ?PPP> =indows NT6 =indows 1! Plus6 Internet8@

!8 In the Network protocols .o 6 ensure that TCP*+P is selected8/8 Click TCP*+P Settings to displa' the PPP TCP*+P Settings dialo .o 8

Ensure that the TCP7IP settin s con&orm to the IP address and name serverin&ormation speci&ied .' 'our ISP8

%8 :' de&ault6 the options ,nable Software Compression and ,nable PPP1CP e/tensions are selected8 These settin s are compati.le with most ISP

services8 Check with 'our ISP .e&ore chan in these de&ault settin s8G8 Click the Script ta.6 and then select None 8 The PPP protocol provided in

R"S is desi ned to automate remote lo on8 I& 'our ISP requires a manuallo on6 consult 'our ISP &or the correct con&i uration8

18 Click the Securit$ ta.8 Click Accept onl$ !icrosoft encr$ptedaut)entication 8 The con&i ures PPP to encr'pt the user name andpassword &or remote lo on to a server that en&orces =indows NTauthentication8

)28 Click OK and then click Close to complete the ISP phone.ook entr'8

Creating the Phone*oo! ntr+ to 'ial a PPTP Server


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:e&ore startin the &ollowin procedures 'ou must have previousl' done the&ollowin > Installed all network protocols 4IP6 IP96 Net:E;I5 used on the private network

to which 'ou want to connect8 Con&i ured R"S to dial out usin the network protocols 4IP6 IP96 Net:E;I5

used on the private network8

To create an phone!oo# entry to dial up a &&T& server !y using a ;&,device

)8 Click Start 6 point to Accessories 6 and then click #ial&%p Networking 8 4I&this is the &irst phone.ook entr'6 a #ial&%p Networking dialo .o willappear8 Click OK 85

+8 T'pe the name o& 'our PPTP server in Name t)e new p)onebook entr$ 6and click Ne/t 8

38 Click + am calling t)e +nternet and click Ne/t 8 This con&i ures thephone.ook entr' to use TCP7IP and PPP as the $ial ;p Networkinprotocols8

-8 Select "ASPPTP!2VPN34 in the Select t)e modem or adapter t)is entr$will use list in the !odem or Adapter dialo .o 6 and then click Ne/t 8

!8 T'pe the IP address o& the adapter on the PPTP server that is connected tothe Internet in the P)one Number dialo .o 8

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Note

I& 'our PPTP server has an Internet re istered $NS name6 'ou couldalternativel' enter itFs $NS name in this &ield8

/8 Click Ne/t 6 and then click -inis) 8%8 #eri&' the phone.ook entr' .' usin the &ollowin procedure8

Note

I& 'ou are con&i urin the #PN device on an ISP server runnin =indows NTServer version -82 that is con&i ured with multiple #PN devices6 repeat thisprocedure &or each #PN device8

To verify or edit your phone!oo# entry for the &&T& server

)8 Click !ore in #ial&%p Networking and then click ,dit entr$ and modemproperties to veri&' that 'our PPTP server phone.ook entr' is correctl'con&i ured8 The ,dit P)onebook ,ntr$ dialo .o will appear as illustratedin the &ollowin &i ure8

)igure 16 +>ample &hone!oo# entry for &&T& server and a ;&, device

+8 Review the in&ormation on the 0asic ta. to ensure that the phone num.er iscorrect and that the "ASPPTP!2VPN34 device is selected8 ake an'necessar' chan es8

38 Click the Server ta.8

! Installing, Configuring and Using PPTP with Microsoft Clients and Servers Microsoft Windows NT Server White Paper


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)igure 1 ;erifying the /ial p Server configuration on the &&T& client

-8 Review the in&ormation on the Server ta. to ensure that the #ial&up servert$pe displa's ?PPP> =indows NT6 =indows 1! Plus6 Internet8@

!8 In the Network protocols dialo .o 6 ensure that the network protocolsused on 'our private network are selected8 "n' selected protocol 4TCP7IP6IP97SP96 Net:E;I5 must alread' .e installed on the PPTP client 'ou arecon&i urin 8 In addition6 R"S must .e con&i ured to use that protocol to dialout8 Note that TCP7IP does not need to .e selected unless it is the protocolused on 'our private network8

/8 I& 'ou use TCP7IP on 'our private network6 click TCP*+P Settings to displa'the PPP TCP*+P Settings dialo .o 8 Ensure that the TCP7IP settin scon&orm to the settin s required .' the R"S con&i uration on the PPTPserver8 This includes the ,nable Software Compression and ,nable PPP1CP e/tensions settin s

%8 Click the Script ta.6 and then select None 8 The PPP protocol used in R"Sis desi ned to automate remote lo on8 I& 'our ISP requires a manual lo on6consult 'our ISP &or the correct con&i uration8

G8 Click the Securit$ ta.8 Click Accept onl$ !icrosoft encr$ptedaut)entication 8 The PPP protocol encr'pts the user name and password&or remote lo on8 The user name and password used to lo on to the

current session can .e used .' selectin %se current username andpassword 8


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-8 Click #ial 8

"&ter success&ul connection6 all tra&&ic &rom 'our computer is &irst routed to'our PPTP server6 which then &orwards 'our data across the ,"N to theremote computer

How to Setup a Pptp Server Using Windows Nt1705

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