Steps to configure VPN + NAT sharing on Win2003 to share

For example, the campus network of some schools needs to pay traffic fees when accessing foreign resources. At this time, you can find a server that can “go abroad” and adopt this solution. The configuration method of Windows 2003 as a proxy server is as follows: 1. Turn off the firewall and set <;Windows Firewall/Internet Connection Sharing (ICS)" in the “Administrative Tools"> State, otherwise routing and remote access cannot be enabled. 2. Open the “Routing and Remote Access” configuration interface in the “Administrative Tools” and select “"XX(Local)" under the “Route and Remote Access” node (if not, you need to use &ldquo Add a server & rdquo; create a), use the "Configure and start routing and remote access" under the "Operation" menu to open the installation wizard. Usually there is only one network card (otherwise, no VPN is needed), select “Customize Configuration" and continue, select “VPN Access> and ”NAT and Basic Firewall" and continue to complete the installation wizard. 3. A dialog box will pop up saying that the installation has been completed, ask if you want to start the service, and select “ is ”. 4. Optional step: Select “XX(local)”, right click to open the “Properties” dialog box, and select “Static address pool” in the “IP address assignment” under the “IP” label. ;, and add a private address range for VPN connections, such as 10.1.0.1-32. 5. Open “Computer Management” in “Administrative Tools>, select “System Tools”->“Local Users and ”->"Users", double-click to allow VPN connections User, in the User Properties dialog box, select the “ Dial In & rdquo; tab, and select Allow access under Remote Access Permissions (Dial In or VPN). 6. At this point, the VPN function has been configured, and the following will describe how to establish a VPN connection. Select “XX(local)”->“IP Routing”->“NAT/Basic Firewall", right click and <;Add Interface" to select the interface to connect to the external network , usually "local connection", in the pop-up dialog box, select “ public interface to connect to the Internet & rdquo; and select “ enable NAT on this interface, ok. (Do not add the interface to the local, otherwise it will not be able to go up, the principle is not clear, Daren advice!) At this point, the NAT configuration has been completed. Client configuration, take Windows XP as an example: 1. Create a VPN connection: In the "Network Neighborhood" "Properties" interface, open “New Connection Wizard", select “Connect to my workplace Network & rdquo;, then select "Virtual Private Network Connection" (also VPN), just enter a name as the company name (such as VPN, it is the name of the VPN connection), if there are other dial-up connections before depending on the situation Automatically dial in, enter the server address on which the VPN service is configured, and complete the wizard. 2. Double-click the VPN connection you just created. In the Connection dialog box, enter the username and password that you just configured to dial in, and connect. Maybe some protocols are not supported on the VPN, a warning dialog will pop up, "Accept" At this point, you can use Windows 2003 as a proxy to access the Internet, and quickly open the browser to swim the Internet :-)