Virtual private network - FAQ's

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Q. Can I setup my VPN client as a router to direct all local computers traffic to the VPN.

ANS: No, you need to setup site to site VPN.

Q. Can not ping computer name when using VPN.

ANS. If you have the issue, when name resolution after using VPN PPTP filtering. If you disable UDP ports 137 and 138 or TCP port 139, NetBIOS packets can not pass through the Network. You need to enable also thesis of all ports and firewalls, routers that are between the client & the server for unicast (point-to-point) traffic.

Q. Configure RRAS tracing.

ANS. When you need to Monitor the activities of RRA and Dial-Up Networking components, use the functionality to organize tracing RRA and Dial-Up Networking components to log tracing information to a file. You can assemble RRA and Dial-Up Networking tracing obtainable by any configuring the registry Gold using the netsh command.

Q. How to add DNS and WINS into your Cisco VPN server.

ANS. If your VPN client cannot locate servers cannot ping computername gold, you may necessitate to include DNS and WINS into your VPN server. For example, to adjoin DNS and WINS were Cisco PIX Firewall, affix VPDN group 1 client configuation dns and dnsservername VPDN group 1 client configuration wins winsservername.

Q. How to assign a static IP to VPN client.

ANS. If you are working on Windows 2003 server as VPN server, you-can allocate a static IP under user's properties. If you make use of other Windows OS having VPN server, you might have to generate a DHCP reservation.

Q. How to connect to a Windows domain using Windows VPN at startup.

ANS. If you are working on Windows 2000/Windows XP pro setup for a domain controller, you will have an alternative to log on using dial-up connection on logon screen after generating a VPN / dial-up connection. In the Log on to Windows dialog box, choose the User Cdn the Log via dial-up connection check box. After Clicking OK, the user is prompted to decide a network connection.

Q. How to configure VPN Packet Filters.

ANS. When you setup the RRAS, a set of default Input and Output Filters on the external VPN server adapt on the will be created. If you aren’t running your server in a protected environment highly, you can contentedly place the server firewall restrict incoming VPN traffic to PPTP packets only. To display and humiliate thesis filters, go to Routing and Remote Access> IP Routing> General, and then you can Add or Edit the packet filters Dedicated of the Local Area Connection. Or to enable PPTP filtering from Control Panel, select the Network applet, Protocols, TCP / IP Protocols, the WAN adapt, Advanced. Then, select Enable PPTP Filtering The check box, as Screen 1 shows. When you enable PPTP filtering, The Servant will refuse all non-PPTP requests.

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Q. How do I set up a modem to dial a remote compute.

ANS. You require installing your modem control panel if you have not previously, and you want to Set Up the dialup networking server on your remote computer. (This is incorporated with Win98, NT4 and w2k/XP. There it is in the Win95 Plus! Pack, But you necessitate to get an update to version 1.3 or later from Microsoft's website. At the time of writing it can be found here). You can permit the dialup server from the 'Connections' menu of the dial-up networking window. If it is not there, if you've updated the gold dialup networking as declared over, you want to install it using the Windows Setup section of the Add / Remove Programs' in the control panel.

Q. How to Create an incoming networking connection.

ANS. You can put together year incoming connection to recognize the followings connection types (modem, ISDN, X.25), VPN (PPTP, L2TP), or direct (serial, infrared, DirectParallel). It was running Windows 2000 computer, 2003 or XP Pro, year Cdn accept received connections up to three incoming calls, up to one of each of opinion types. Note: we have computer running Windows 2000/2003 Server, the number of inbound calls is only limited by the Computer and its hardware configuration.
To generate VPN connection, open Networking Connections> New Connection Wizard> Set up year advanced connection> Accept incoming connections, and then pursue the instruction.

Q. How to manage IP assignment on RRAS

ANS. Unlock RRAS, right-click on the RRAS server>Properties>IP. You will have two alternatives, DHCP and Static address pool.

Q. How to setup VPN server on 2003 server.

ANS. You may have two alternatives to setup VPN server on Windows 2003. 1) Generate an incoming networking connection if you have diminutive network or you want to setup one PC to PC VPN; 2) If you have bulky numbers of incoming connections on a server that functions as part of a distributed network or as a domain controller, you should utilize RRA to create a VPN server.

Q. How to setup VPN on w2k server with one NIC

ANS. Indications: When endeavoring to generate VPN on Windows 2000 server with one NIC, you may obtain, “you have chosen the previous accessible connection as the Internet connection. A VPN server required that one connection be used as the private network connection" if you choose the NIC.

1. You should emphasize No internet connection as an alternative of the NIC or LAN connection.
2. You may try "Manually configured server option".

Q. How to configure W2K server as VPN server

ANS. To arrangement a Windows 2000 server for VPN, release Routing and Remote Access console in the Administrative Tools folder, right-click the server and then snap Configure and Enable Routing and Remote Access>Virtual private network [VPN] server. Click next if TCP/IP is only protocol you will make use of. Choose a connection you will attach to on the Internet Connection. You will have two alternatives to allocate IP to VPN clients. The default is involuntarily. It is recommended to constitute the server to allocate client addresses from a static address pool, rather than assigning addresses from a DHCP server. If you organize RAS to assign client addresses from a static address pool, clients accede to the DNS and WINS settings from the RAS server. If your RAS server can browse the network, clients should also be able to browse the network with the equivalent settings. If you desire DHCP, authenticate that DHCP scope option 44 (WINS/NetBIOS name server) points to the WINS server and scope option 6 shows the address of your DNS server. When you don't define these alternatives, you almost guarantee difficulties with client browsing. Lastly, you can select using RADIUS or not.

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Q. How to configure Win 2000/XP Pro as VPN host

ANS. Proceeding to Windows 2000/XP Pro, you must insert PPTP on NT 4.0 Server to set up VPN connections. With the discharge of Windows 2000/XP Pro, you have the aptitude to run a Windows 2000/XP Pro as a VPN host. However, Windows 2000/XP Pro facilitate only one VPN connection at a time and entails Internet Protocol (IP). Prior to start the VPN configuration, you should have an equipment (modem, T1, Frame Relay, ADSL, or cable modem) linking to the Internet. Also be definite that you have accurate TCP/IP settings on the W2K/XP.

To group Win XP (in this scenario) Pro as VPN host, go to the Properties of My Network Places>Create a New Connections>Set up an Advanced Connection>Accept Incoming Connections. On the Devices for Incoming Connections dialog box, do not choose any device, only tick Next and check Allow Private Connections, and then click Next. On the Allowed Users dialog box, select or insert all users for whom you want to allow access. The accounts have to subsist on both computers that are concerned in establishing the VPN connection. On the New Connection Wizard, File and Printer Sharing for Microsoft Networks, Internet Protocol (TCP/IP) and Client for Microsoft Networks should be scheduled as networking components. By default, allow callers to access my local area network and assign TCP/IP address involuntarily using DHCP are checked. If you would like to continue the default settings, click Next to continue. Now, the Incoming Connection icon should illustrate on Incoming section under the Properties of My Network Places and is prepared to use.

Q. How to configure a W2K/XP as VPN client

ANS. To attach to a VPN server, you should have a dail-in modem or a lofty speed Internet connection. To setup a XP client to contact the VPN host, go to the Properties of My Network Places>Create a New Connections>Connect to the network at my workplace>Virtual Private Network connection. Type Computer that will be demonstrated as connection name in VPN section, select do not dial the original connection and then type the VPN host IP. You have two alternatives to generate this connection for anyone or for yourself.