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DNS is broken when no servers are provided #84

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keeshux opened this issue Apr 5, 2019 · 2 comments
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DNS is broken when no servers are provided #84

keeshux opened this issue Apr 5, 2019 · 2 comments
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bug Something isn't working
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1.7.0

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keeshux commented Apr 5, 2019 •
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Not really a bug, but OpenVPN Connect seems to fall back to a working server.

Options:

  • DNS servers for the current network interface
  • A 3rd party server (unlikely)

Unsurprisingly, NEDNSSettings is not smart enough to fall back to system-wide settings when set to nil.
@keeshux keeshux added the bug Something isn't working label Apr 5, 2019
@keeshux keeshux self-assigned this Apr 18, 2019
@keeshux keeshux added this to the 1.6.3 milestone Apr 24, 2019
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keeshux commented Apr 25, 2019

Though unlikely, 3rd party was the case. OpenVPN Connect appears to fall back to Google DNS (!):

https://github.com/OpenVPN/openvpn3/blob/e6ec025932b928347fa2d4194364e6787bbceb6d/openvpn/tun/client/tunprop.hpp#L174

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keeshux commented Apr 25, 2019

Could not fall back to DNS servers in local network yet. Fall back to CloudFlare, at least.

keeshux added a commit that referenced this issue Apr 27, 2019
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Fall back DNS to system-wide, then preset
10cf11f 
Refines #84
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