Hi Jan,

Thanks for your answer.

On 2/10/20 5:23 PM, Jan Just Keijser wrote:
> 
> the line
>   push "dhcp-option DNS 10.176.0.1"
> is the main suspect here... my guess as to what happens is this:
> 
> 1) VPN is started
> 2) that line causes the local /etc/resolv.conf file to be overwritten
> with the new DNS setting

I just verified this: resolv.conf does not get adapted

I would also not have expected it because on the client side
"route-nopull" is specified.

Also, I see in the clients log twice the following line:
Options error: option 'dhcp-option' cannot be used in this context
([PUSH-OPTIONS])

(Guess I should do [1]...)

My takeaway is that you think that this issue is because of funky DNS
stuff going on.
I will investigate some more in this area, but since I do not have
access to the affected devices (only logs), actions like taking down
OpenVPN to do analysis are pretty much impossible to do.

[1]
https://community.openvpn.net/openvpn/wiki/OverridingAPushedRouteInTheClientsConfigThrowsAndError

Kind regards,
Reto


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