Default Password is "admin"
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Thursday, November 17, 2011
B933 Firmware Update
Default Password is "admin"
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Monday, November 14, 2011
How to Create a VPN server (home or Office) Win 7 and Vista
etting up the Vista Point-to-Point Tunneling Protocol (PPTP)
Virtual Private Network (VPN) Server
This Mini-How-To was created as an example of one way to remotely access a home office network using a Point-to-Point Tunneling Protocol (PPTP) Virtual Private Network (VPN) connection over the public internet using technologies built-in to the Vista operating system. Configurations are based on remote user access to this example local area network. Note the setup and configuration procedure should be run while logged on as a user with Administrator privileges.
This procedure applies to the following versions of Vista: Home Basic, Home Premium, Business, Enterprise, Ultimate.
Setup the Vista PPTP VPN Server
(Screen shots are from a Vista Ultimate desktop PC)
Logon the Vista PC as a user with Administrator privileges. The Vista VPN Server is configured by navigating to Start | Control Panel | Network and Internet | Network and Sharing Center and selecting Manage network connections.
Select File | New Incoming Connection from the drop down menu. If the Menu bar is not visible press the <Alt> key on the keyboard to toggle it on.
Select user's that will be allowed to login to the PPTP VPN server through the VPN connection. Click Next. In the example shown a special standard user account protected by a strong password that is only used for remote VPN access is selected. Click on Add someone... to add the special user account.
Select the Through the Internet check box then click on Next.
Select Internet Protocol Version 4 (TCP/IPv4) and then click on Properties.
If remote VPN users will be allowed to access the home local area network check the Allow callers to access my local area network checkbox. Configure the IP address assignment window using IP addresses in the same subnet as the VPN server PC and LAN (see the example local area network). In the following example the From: address is the address assigned to the VPN gateway and the To: address is assigned to the incoming VPN client. Click OK when finished. Note that by design Vista will only accept one incoming VPN connection at a time.
Click on Close.
When finished the Network Connections window will indicate the new Incoming Connections icon.
Configure the Network Firewall/NAT Router for PPTP VPN access
If the Vista PPTP VPN server PC is behind a broadband router, the router must be configured to allow PPTP VPN access. Both TCP Port 1723 and GRE Protocol 47 are used to pass PPTP VPN traffic through the firewall. Some router manufacturers call enabling GRE Protocol 47 traffic PPTP Pass Through or VPN Pass Through. Check the users manual for your specific router for details. The example screen shots are from a Network Everywhere NR041 4-Port Broadband Router. See the example local area network.
The Vista Windows Firewall will be automatically configured to allow PPTP VPN access. GRE Protocol 47 traffic is automatically enabled through the Windows Firewall when TCP Port 1723 is opened.
Configure the Vista PPTP VPN client and a client lmhosts file
The Vista PPTP VPN client can be configured using the procedure detailed on the online Vista Help and Support site.
An lmhosts file that maps computer names to LAN IP addresses on the remote network may be created in the C:\Windows\system32\drivers\etc folder on the VPN client computer. The client can then use the form \\ComputerName\ShareName to access shared folders on the remote network. See this Microsoft article for file syntax help. An example lmhosts file can be downloaded here. The example lmhosts file is based on remote user access to this example local area network.
Enhance client to server security
WARNING: The following are recommendations for Small Office/Home Office (SoHo) users connecting to a standalone Vista host computer with the Vista PPTP VPN client software only. Users connecting to remote computers in a corporate or domain environment should check with their network administrators for configuration guidance.
Client configuration
Client users are encouraged to use a strong password when logging onto a remote PC with a PPTP VPN connection. The client user can configure these properties by navigating to Start | Control Panel | Network and Internet | Network and Sharing Center and selecting Manage network connections. Right-click the VPN connection that you want to edit then click Properties.
Server configuration
The Vista PPTP VPN server computer administrator can configure these properties by navigating to Start | Control Panel | Network and Internet | Network and Sharing Center and selecting Manage network connections. Right-click the Incoming Connections icon then click Properties. Check the Require all users to secure their passwords and data checkbox.
Troubleshooting the PPTP VPN server - client data link
The Vista PPTP VPN server to client link can be tested using the detailed test procedure in the PPTP Ping and VPN Traffic sections of the Testing Network Paths for Common Types of Traffic article by the Cable Guy. The pptpsrv.exe and pptpclnt.exe programs on the XP SP2 CD may be used. To extract the programs on a Vista PC insert the CD in the CD drive and select Open folder to view files from the AutoPlay window.
Select the Support folder.
Select the Tools folder.
Select the Support cabinet file.
Highlight the pptpsrv.exe and pptpclnt.exe files then right-click the mouse button and select Extract from the menu window.
Save the files to a temporary folder. Click on X in the upper right corner of the window to close and eject the CD from the CD drive. Copy the pptpsrv.exe file to the server PC and the pptpclnt.exe file to a client PC and run the test procedure as detailed in the VPN Traffic section of the Testing Network Paths for Common Types of Traffic article by the Cable Guy.
How to Create a VPN server (home or Office)
How to create the VPN server interface, step-by-step
1. Click Start | Control Panel.
2. In the Control Panel, open the Network Connections applet.
3. In the Network Connections window (see Figure A), open the New Connection Wizard.
Figure A
The Network Connections window 4. On the Welcome To The New Connection Wizard page, click Next.
5. On the Network Connection Type page (see Figure B), select the Set Up An Advanced Connection option.
Figure B
On the Advanced Connection Options page (see Figure C), select the Accept Incoming Connections option and click Next.
Figure C
Configuring XP to accept incoming connections 7. On the Devices For Incoming Connections page (see Figure D), you can select optional devices on which you want to accept incoming connections.
Figure D
Note that you are not presented with any of the network interfaces on the computer. 8. On the Incoming Virtual Private Network (VPN) Connection page (see Figure E), select the Allow Virtual Private Connections option and click Next.
Figure E
9. On the User Permissions page (see Figure F), select the users that are allowed to make incoming VPN connections. Click Next.
Figure F
Any user that isn't selected won't be able to initiate an incoming connection. 10. On the Networking Software page (see Figure G), click on the Internet Protocol (TCP/IP) entry and click the Properties button.
Figure G
Configuring TCP/IP properties 11. In the Incoming TCP/IP Properties dialog box (see Figure H), place a check mark in the Allow Callers To Access My Local Area Network check box. This will allow VPN callers to connect to other computers on the LAN. If this check box isn't selected, VPN callers will only be able to connect to resources on the Windows XP VPN server itself. Click OK to return to the Networking Software page and then click Next.
Figure H
Granting LAN access to callers 12. On the Completing The New Connection Wizard page, click Finish to create the connection.
After the Incoming Connection is complete, right-click on the connection in the Network Connections window and select the Properties command (see Figure I).
Figure I
Accessing the properties of the VPN server link Note that on the General tab of the Incoming Connections Properties page (see Figure J) that no devices are listed. The comment No Hardware Capable Of Accepting Calls Is Installed isn't true, since you can now create VPN connections to both network interface cards. In practice, there is no point in creating a VPN connection to the internal interface card.
The New Connection Wizard made it easy to create the VPN server interface, but you can still do more to optimize your VPN connections. First, note that you can create PPTP or L2TP/IPSec VPN connections. Figure K shows the connection status dialog box of a Windows XP VPN client connected to a Windows XP VPN server. Note that MPPE 128-bit encryption is automatically enabled and that Microsoft CHAP v2 is used for authentication.
Figure K
If both machines had machine certificates from the same Certification Authority installed, an L2TP/IPSec VPN link could have been negotiated. If you want the VPN client to access resources on the internal network, the IP address assigned to the VPN client should be on the same network ID as the internal interface of the Windows XP VPN server computer. In addition, all the machines on the internal network should have a default gateway set using the IP address of the internal interface of the Windows XP VPN server.
In the unlikely event that the SOHO has multiple network segments, the routing table on the Windows XP VPN server needs to be configured with paths to the various internal network IDs. You can use the ROUTE ADD command to create these routing table entries.
Small networks that use a Windows XP Professional machine for a VPN server probably won't have network services such as WINS or DNS. If name resolution on the private network is an issue for the VPN client, then you should create a LMHOSTS file, a simple text file that contains name and IP address mappings. For example, the following line could represent an entry in an LMHOSTS file:
10.0.0.2 DEFIANT
The VPN client must be configured with an IP address or host name for the Windows XP Professional VPN server. If the Windows XP Professional client has a dedicated link to the Internet and a static IP address, you can use that IP address in the VPN client configuration interface. However, if the Windows XP Professional VPN server is assigned an IP address via DHCP, you'll have to use an Internet host name and a method of registering the host name dynamically. A couple of services you might want to look into are TZO and DYNDNS. Both of these services will let you dynamically register a computer's IP address into the public DNS database.
Conclusion
Windows XP Professional provides simple VPN server capabilities that let you connect single VPN clients to your internal network, one at a time. If the Windows XP Professional computer has a dedicated connection to the Internet, you can connect to that computer from virtually anywhere in the world using a VPN link. The VPN server setup is simple and can accept calls from any Windows PPTP or L2TP/IPSec client.
1. Click Start | Control Panel.
2. In the Control Panel, open the Network Connections applet.
3. In the Network Connections window (see Figure A), open the New Connection Wizard.
The Network Connections window
5. On the Network Connection Type page (see Figure B), select the Set Up An Advanced Connection option.
Configuring XP to accept incoming connections
Note that you are not presented with any of the network interfaces on the computer.
Any user that isn't selected won't be able to initiate an incoming connection.
Configuring TCP/IP properties
Granting LAN access to callers
After the Incoming Connection is complete, right-click on the connection in the Network Connections window and select the Properties command (see Figure I).
Accessing the properties of the VPN server link
Figure J VPN clients will only call the external IP address of the Windows XP Professional VPN server. |
The New Connection Wizard made it easy to create the VPN server interface, but you can still do more to optimize your VPN connections. First, note that you can create PPTP or L2TP/IPSec VPN connections. Figure K shows the connection status dialog box of a Windows XP VPN client connected to a Windows XP VPN server. Note that MPPE 128-bit encryption is automatically enabled and that Microsoft CHAP v2 is used for authentication.
If both machines had machine certificates from the same Certification Authority installed, an L2TP/IPSec VPN link could have been negotiated.
In the unlikely event that the SOHO has multiple network segments, the routing table on the Windows XP VPN server needs to be configured with paths to the various internal network IDs. You can use the ROUTE ADD command to create these routing table entries.
Small networks that use a Windows XP Professional machine for a VPN server probably won't have network services such as WINS or DNS. If name resolution on the private network is an issue for the VPN client, then you should create a LMHOSTS file, a simple text file that contains name and IP address mappings. For example, the following line could represent an entry in an LMHOSTS file:
10.0.0.2 DEFIANT
The VPN client must be configured with an IP address or host name for the Windows XP Professional VPN server. If the Windows XP Professional client has a dedicated link to the Internet and a static IP address, you can use that IP address in the VPN client configuration interface. However, if the Windows XP Professional VPN server is assigned an IP address via DHCP, you'll have to use an Internet host name and a method of registering the host name dynamically. A couple of services you might want to look into are TZO and DYNDNS. Both of these services will let you dynamically register a computer's IP address into the public DNS database.
Conclusion
Windows XP Professional provides simple VPN server capabilities that let you connect single VPN clients to your internal network, one at a time. If the Windows XP Professional computer has a dedicated connection to the Internet, you can connect to that computer from virtually anywhere in the world using a VPN link. The VPN server setup is simple and can accept calls from any Windows PPTP or L2TP/IPSec client.
Sunday, November 13, 2011
Connect All VPN using other modems.(gl@be) (B-series, mf600, mf627, e153 Icon 255 etc)
1. Go to Control Panel
2. Select View Network Status and Taks
3. Click Network Connection
4. Select Properties
5. Select Internet protocol Version 4 (TCP/IPv4)
6. Click Properties
7. Click Advanced
8. Go to WINS
9. Select Enable NetBios over TCP/IP or Disable
10. Click Ok
DONE! Tested it on icon 255 with new config
thanks to drwang12!
