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windows, permanen vpn connection

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koneksi vpn permanen

 

Windows does not really offer any good ways of setting up a permanent VPN connection that is stable.
People are literally loosing their minds over it.

We came up with a pretty nice solution to this problem by combining

  • Windows Powershell
  • Windows VPN Client
  • Windows Task scheduler
At the server side
  • Make sure your VPN Server is set up and working. This will not be covered here.
At the client side
  1.  Set up a new VPN Connection. Just follow the usual “Connecto to a workplace” wizard. Make sure that the VPN connection works.
  2. After creating the connection – set these Redial properties. The redial functionality works as it should most of the time, but it’s not 100% trustable.
  3. Also – Uncheck “Use default gateway on remote network” – in order to prevent all network/internet trafic to go through the VPN (unless this is what you want).
  4. Since the Redial functionality of the VPN Connection isn’t trustable – it’s best to deal with this yourself. It’s hammer powershell time. Create c:pn.ps1and add the following:
    $ip = "10.20.30.40"
    $result = gwmi -query "SELECT * FROM Win32_PingStatus WHERE Address = '$ip'"
    if ($result.StatusCode -eq 0) {
        Write-Host "$ip is up."
    }
    else{
        Write-Host "$ip is down."
        Write-Host "Disconnecting..."
        rasdial.exe DegreeVPN /DISCONNECT
        Write-Host "Connecting..."
        rasdial.exe DegreeVPN vpnUsername vpnPassword12345
    }

    The script pings an IP that should be available through the VPN. If the ping is unsucecssfull – the connection is reestablished. You can also set up routes here (and get notifications by email every time the VPN was disconnected) if you add a few more lines to the script.

  5. Start up a powershell and type “Set-ExecutionPolicy Unrestricted” order to allow the script to be executed.
  6. Schedule this script to execute at startup (no user/login necessary) and also every 5 minutes.

  7. Bingo! You now have a robust and permanent VPN Connection in windows. This works with PPTP, L2TP, SSTP and IKEv2, and have been tested on Windows 7 and Windows 2008 R2.

rianto utomo bole nyontek dari http://blog.degree.no/2011/10/permanent-vpn-connection-in-windows/

Written by isaaconi

Juni 23, 2015 pada 4:07 pm

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