1. Joined : Aug 2015
    Posts : 5
    Win10
       04 Aug 2015 #1

    Preferrence of DNS servers from VPN issue (DNS Leak)


    Hello,

    when I connect to VPN, I receive DNS servers, but windows primarily uses DNS servers configured on my LAN connection (checked with nslookup). This is problem when I am accessing same hostname, which has internal IP in VPN.

    I tried to change network adapters order in ncpa.cpl, but it does not seem to be working. It displays still same order despite of how I change it and confirm with OK.

    Checking in regedit, HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Tcpip\Linkage\Bind,
    after connecting VPN, one entry gets added on top of the list, I assume that is dialed connection.

    Setting DNS servers manually in VPN does not work, I am unable to edit procotol settings in VPN connection.

    Anyone have some solution for this ?
      My System SpecsSystem Spec


  2. Joined : May 2015
    Central IL
    Posts : 3,068
    EL Capitan
       04 Aug 2015 #2

    What software are you using for the VPN connection?
      My System SpecsSystem Spec


  3. Joined : Aug 2015
    Posts : 5
    Win10
       05 Aug 2015 #3

    builtin in windows. I tried IKEv2 and L2TP/ipsec, both behave same way.
      My System SpecsSystem Spec


  4. Joined : Aug 2015
    Posts : 1
    W10
       10 Aug 2015 #4

    The problem is actually from the vpn providers side, not yours.

    I provide custom made vpn servers designed for security, that solves this problem your facing too (speedwayvpn.com).

    I created a trial ovpn certificate for you to prove to you once connected using our vpn servers, your problem is gone

    dropbox link to ovpn file:
    Dropbox - myrred.ovpn

    username: marv
    password: marv

    PS, supported protocols (L2TP/IPSEC(PSK), SSTP, OpenVPN)
      My System SpecsSystem Spec


  5. Joined : Aug 2015
    Posts : 1
    windows 10
       11 Aug 2015 #5

    This again.


    marv said: View Post
    Hello,

    when I connect to VPN, I receive DNS servers, but windows primarily uses DNS servers configured on my LAN connection (checked with nslookup). This is problem when I am accessing same hostname, which has internal IP in VPN.

    I tried to change network adapters order in ncpa.cpl, but it does not seem to be working. It displays still same order despite of how I change it and confirm with OK.

    Checking in regedit, HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Tcpip\Linkage\Bind,
    after connecting VPN, one entry gets added on top of the list, I assume that is dialed connection.

    Setting DNS servers manually in VPN does not work, I am unable to edit protocol settings in VPN connection.

    Anyone have some solution for this ?
    I am having this same issue. I don't require any extra "Services." I want to know how to fix this "Windows" problem. I am using pptp to vpn into an office network. When my vpn connects to the network, The internet connection drops on the active network connection.
      My System SpecsSystem Spec


  6. Joined : Aug 2015
    Posts : 5
    Win10
       19 Aug 2015 #6

    I am using my own vpn server to connect to my home network and server was pushing dns servers to client, as they were visible in connection details when connected, but thanks. Besides, in Windows 7 is everything working.

    I found workaround on technet forums.

    Edit manually file
    C:\Users\%USERNAME%\AppData\Roaming\Microsoft\Network\Connections\Pbk\rasphone.pbk

    in desired connection, add dns server IPs in lines
    IpDnsAddress=
    IpDns2Address=

    After that, system resolves my internal DNS entries.
      My System SpecsSystem Spec


 


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