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| This is a copy of the answer given [https://superuser.com/a/1166051 here].
| | Adding the following parameter to the "Destination" in a shortcut to opennvpn-gui.exe will make it automatically connect to ''myprofile.ovpn'' on startup, and show the classic GUI icon.: |
| | "C:\Program Files\OpenVPN\bin\openvpn-gui.exe" ''--connect myprofile.ovpn'' |
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| | Place this shortcut in the All Users Startup Folder |
| | C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp |
| | if you wish all users should use VPN. If only a certain user shall auto connect then place the shortcut in |
| | C:\Users\[Username]\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup |
| | Press the '''Windows logo key + R''', type '''shell:startup''', then select OK. This opens the Startup folder for current logged on user. |
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| ''The best way is to install OpenVPN service when you install the client. | | '''NOTE:''' the ''myprofile.ovpn'' file must be available in the folder |
| | C:\Users\[Username]\OpenVPN\config\ |
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| Then run the following command to show the services management console:
| | This works on Windows 10. |
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| services.msc
| | [[Category:Windows]] |
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| There, search for OpenVPN Service, right-click->Properties and set startup type to "automatic".
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| The OpenVPN service will look into the config directory and connect to every VPN profile that is stored here.
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| IMPORTANT: In linux, config files must have .conf extension. I'm not sure if this is required in Windows or if it uses .ovpn with the serice
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| If using services is not an option, you can add the following parameters to the executable so it will automatically connect to myprofile.ovpn:
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| --connect "myprofile.ovpn"
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| It will connect to .\config\myprofile.ovpn automatically on startup, and show the classic GUI icon.
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| You can then place this shortcut in the classic startup folder.
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| The All Users Startup Folder is located at the following path:
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| C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp
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| The Current User Startup Folder is located here:
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| C:\Users\[Username]\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup
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| I dont know how to avoid the user to connect to the Internet before the VPN is set. The only way I can figure out if through Windows Firewall, and I'm not an expert on that subject. If you want to avoid a poweruser to be able to get to the Internet you need a firewall in your gateway to avoid so, or strong group policies to avoid privilege scalation.
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| For a normal user, you can configure the Windows client machine without a default gateway. Set a persistent static route to the VPN server on Windows clients using the following command (-P makes it persistent):
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| route -P add <target> mask <netmask> <gateway IP> metric <metric cost> if <interface>
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| Roues in Windows are stored under the following registry key:
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| HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\PersistentRoutes
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| At this point a disconnected client only has access to the VPN server. Then you can add the following lines in the VPN server configuration file to add routes on clients when they connect:
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| To configure the VPN server as the default gateway:
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| push "redirect-gateway def1 bypass-dhcp"
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| To add an specific route through the VPN Server:
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| push "route 192.168.1.0 255.255.255.0"
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| Sometimes route pushing doesnt work on Windows. When this happens to me, I completly uninstall OpenVPN and it's interfaces from Windows, restart system and install the latest version of the software. Then, before stablishing the first connection, I restart Windows. This has allways solved the issues, however, Windows 10 Anniversary update (1607) is buggy with OpenVPN. There's a link to a deeper discussion in OpenVPN forums:
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| [https://forums.openvpn.net/viewtopic.php?t=22253 Connection problems with Windows 10 anniversary update] | |
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| Keep that in mind when you setup your Windows 10 OpenVPN clients.''
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Adding the following parameter to the "Destination" in a shortcut to opennvpn-gui.exe will make it automatically connect to myprofile.ovpn on startup, and show the classic GUI icon.:
"C:\Program Files\OpenVPN\bin\openvpn-gui.exe" --connect myprofile.ovpn
Place this shortcut in the All Users Startup Folder
C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp
if you wish all users should use VPN. If only a certain user shall auto connect then place the shortcut in
C:\Users\[Username]\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup
Press the Windows logo key + R, type shell:startup, then select OK. This opens the Startup folder for current logged on user.
NOTE: the myprofile.ovpn file must be available in the folder
C:\Users\[Username]\OpenVPN\config\
This works on Windows 10.
