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Help with VPN and DNS

Hello guys or support team.

We are subscribing to the NextDNS business version at our company, but we are doing some tests that have impacted usage. Basically, the scenario is:

  1. We have a s2s VPN with one of our clients
  2. In the VPN connection, we use a client's DNS server to access specific hosts on this client's network.
  3. When we configure that device to use NextDNS, the client's hosts are no longer available.

So the question is: How can we leave NextDNS and the client's DNS on the VPN so that it does not impact the developers' day-to-day activities and they do not need to add the service hosts to /etc/hosts?

Best regards,
Dantas

4 replies

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    • Calvin_Hobbes
    • 2 mths ago
    • Reported - view

    https://github.com/nextdns/nextdns/wiki/Split-Horizon If your VPN allows for using local DNS this would probably do the trick.

    • Marcio_Dantas
    • 2 mths ago
    • Reported - view

    The VPN is OpenVPN, 

    But I didn't understand exactly where to configure this in OpenVPN (OPNSense). Could you give me more details?

    One observation. The machines that use this VPN are all Windows. NextDNS was installed via Intune with the profile ID, it worked very well, but I had this problem because I could no longer access the hosts that this VPN allows me to access, having to configure it in the c:\windows\system32\drivers\etc file.

      • Calvin_Hobbes
      • 2 mths ago
      • Reported - view

       sorry I cannot help with OpenVPN or Windows.   I’m not familiar with either of those products.   

      • Marcio_Dantas
      • 2 mths ago
      • Reported - view

       thanks for all help. I'll research it and then post more information here.

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