VPN connection and applications
Hello,I have a VPN connection to company office. When I connect to office over VPN, all of the applications I use seem to be using that connection and accessing the internet over company VPN. I don't want to use this VPN connection to surf the net, or download from internet, I just want to use it for some applications. Is that possible?Thank you.
December 6th, 2008 7:31am

Hi, I understand that you want some applications connecting to the Internet via VPN and some not. Regarding your concern, I would like to suggest the following: 1. When a Windows-based VPN client makes a VPN connection, it automatically adds a new default route for the VPN connection and modifies the existing default route that points to the Internet to have a higher metric. Adding the new default route means that Internet locations except the IP address of the VPN server are not reachable for the duration of the VPN connection. To prevent the new default route from being created, select Internet Protocol (TCP/IP) on the Networking tab for the properties of the VPN connection. Click Properties, and then click Advanced. In Advanced TCP/IP Settings, on the General tab, clear the Use default gateway on remote network check box. This is shown in the following figure. When the Use default gateway on remote network check box is cleared, a default route is not created; however, a route that corresponds to the Internet address class-based network ID of the assigned IP address is created. Based on the Use default gateway on remote network setting, one of the following occurs when the VPN connection is active: 1) When the Use default gateway on remote network check box is cleared, Internet locations are reachable and intranet locations are not reachable, except for those matching the network ID of the Internet address class of the assigned IP address. 2) When the Use default gateway on remote network check box is selected (the default setting), all intranet locations are reachable and Internet locations are not reachable, except for the address of the VPN server and locations available through other routes. 2. When a VPN connection is established, by default, Use default gateway on remote network checkbox is selected. When this checkbox is selected a new default route for the VPN Connection is added and the existing default route gets a higher metric. Result of this setting is that all the intranet traffic works fine and internet traffic is also routed to VPN Server. One way to solve this problem is to have split tunneling on the client machine so that concurrent access to both internet and intranet works fine. For more information about the split tunneling, please refer to: Split Tunneling using CMAK http://blogs.technet.com/rrasblog/archive/2007/06/11/split-tunnelling-using-cmak.aspx Actually, to ensure that the connections are secure and proper, it is not recommend to change the Router Table. If you want to adjust the settings to meet your needs, please do that with your Network Administrators directions. Please also refer to the following webpage for more information: Routing and Remote Access Blog http://blogs.technet.com/rrasblog/default.aspx Hope it helps. Nicholas Li - MSFT
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December 8th, 2008 2:24pm

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