Comment 69 for bug 37239

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Gavin McCullagh (gmccullagh) wrote :

> to dan_linder: using the ISP's DNS defeats the purpose of using VPN.

I think that's debatable. A VPN gives you an extra network interface which might or might not be your default gateway. If it's not, ie you only use it to go to a particular network (say for remote admin), then it's certainly not defeating the purpose of VPN to use your ISPs DNS for web surfing while doing sysadmin on a remote location (which may not allow you internet access through it).

That said, you're going to have to choose one DNS server or the other, you can't have both. I tend to have entries in the hosts file for the VPN (but NM then overwrites my DNS settings with those of the VPN-- which is no dns servers). A more complete solution might be to run a local DNS server on your desktop which can be configured to forward each query to the correct DNS. That's not great though.