Public bug reported:
The upgrade of network-manager-openvpn from 0.9.8.0 to 0.9.8.2 seems to
expose a regression in setups where the openvpn server pushes default
DNS servers to the clients without any explicit DOMAIN options.
Openvpn server configuration:
[...]
push "dhcp-option DNS 62.1.2.3"
push "dhcp-option DNS 62.1.2.4"
# no dhcp-option DOMAIN pushed
[...]
Here are the logs from the client before and after upgrading the
network-manager-openvpn package:
network-manager-openvpn==0.9.8.0-2ubuntu1:
Mar 14 14:37:31 claw dnsmasq[2676]: setting upstream servers from DBus
Mar 14 14:37:31 claw dnsmasq[2676]: using nameserver 62.1.2.3#53
Mar 14 14:37:31 claw dnsmasq[2676]: using nameserver 62.1.2.4#53
network-manager-openvpn==0.9.8.2-1ubuntu4
Mar 14 14:48:27 claw dnsmasq[2676]: setting upstream servers from DBus
Mar 14 14:48:27 claw dnsmasq[2676]: using nameserver 62.1.2.3#53 for domain
62.in-addr.arpa
Mar 14 14:48:27 claw dnsmasq[2676]: using nameserver 62.1.2.4#53 for domain
62.in-addr.arpa
Result is that DNS resolution is now broken:
$ host www.ubuntu.com
Host www.ubuntu.com not found: 5(REFUSED)
$
** Affects: network-manager-openvpn (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1292538
Title:
regression: Upstream DNS server failure when server doesn't push
DOMAINs
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