DNS and Surface Pro X

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stevej

Posts: 3
Joined: Thu Nov 21, 2019 4:36 pm

Post by stevej » Mon Feb 03, 2020 5:32 am
Hi There,

I'm using Viscosity on my Surface Pro X to connect to my Linux VM, which is running OpenVPN server and pi-hole. Everything works, except that Viscosity doesn't pull in the DNS IP addresses that I've specified in /etc/openvpn/server/server.conf through the directives:

push "dhcp-option DNS 10.8.0.1"
push "dhcp-option DNS 1.1.1.1"

If I enter 10.8.0.1 in Viscosity->Edit Connection->Networking->DNS: Servers, it works, but I would prefer not to have to configure DNS manually.

My question is: Why doesn't Viscosity pull in the DNS IP addresses from the push directives, above?

I believe that DHCP is, indeed, sending 10.8.0.1 and 1.1.1.1 to my Surface Pro X, since the utility "DHCP Explorer" shows that the VPN interface is correctly getting both IP addresses.

Is it possible that there might be a bug?

Thanks,

Steve

stevej

Posts: 3
Joined: Thu Nov 21, 2019 4:36 pm

Post by stevej » Mon Feb 03, 2020 6:18 am
Hi Again,

I noticed that by default, OpenVPN server has this line in /etc/openvpn/server/server.conf:

push "redirect-gateway def1 bypass-dhcp"

"bypass-dhcp" certainly didn't sound like something I wanted! When I commented it out, restarted OpenVPN on Linux, and removed the manual DNS IP address that I entered in Viscosity, DNS worked.

It was my fault for not catching this earlier. Viscosity works!

I hope that this might help someone else.

Thanks,

Steve

Eric

User avatar
Posts: 964
Joined: Sun Jan 03, 2010 3:27 am

Post by Eric » Mon Feb 03, 2020 7:45 am
Hi Steve,

Thanks for posting again with the solution you found! Glad that everything is working for you.

Regards,
Eric
Eric Thorpe
Viscosity Developer

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