*** This bug is a duplicate of bug 1754671 ***
https://bugs.launchpad.net/bugs/1754671
** Bug watch removed: GNOME Bug Tracker #746422
https://gitlab.gnome.org/746422
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https://bugs.launchpad.net/bugs/1796648
Title:
network-manager-openvpn leaks DNS information on Ubuntu 18.04
Status in network-manager package in Ubuntu:
Confirmed
Bug description:
By default when adding a VPN configuration on Ubuntu 18.04 the DNS
configuration supplied by DHCP is not used, resulting in DNS leakage.
How to reproduce:
* Add VPN configuration, for example, import a ovpn file
* activate
* Check for DNS leakage at for example https://www.dnsleaktest.com/
This has been reported at various locations:
https://github.com/systemd/systemd/issues/7182
https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1690860
https://github.com/eduvpn/python-eduvpn-client/issues/160
The issue has been solved since network-manage-open version 1.12.0:
https://gitlab.gnome.org/GNOME/NetworkManager-openvpn/issues/10
This version or a more recent version is part of Ubuntu 18.10 which
doesn't have this issue.
A workaround is to run:
$ systemd-resolve -i tun2 --set-domain=~.
where tun2 is your VPN interface.
We think this is a security issue and at least a backport of network-
manage-open > 1.12.0 should be uploaded to the archive.
greetings,
- Gijs
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: network-manager 1.10.6-2ubuntu1
ProcVersionSignature: Ubuntu 4.15.0-36.39-generic 4.15.18
Uname: Linux 4.15.0-36-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.9-0ubuntu7.4
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Mon Oct 8 11:19:00 2018
IfupdownConfig:
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
InstallationDate: Installed on 2018-06-06 (123 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
IpRoute:
default via 192.168.178.1 dev enp6s0 proto dhcp metric 100
169.254.0.0/16 dev virbr0 scope link metric 1000 linkdown
172.17.0.0/16 dev docker0 proto kernel scope link src 172.17.0.1 linkdown
192.168.122.0/24 dev virbr0 proto kernel scope link src 192.168.122.1
linkdown
192.168.178.0/24 dev enp6s0 proto kernel scope link src 192.168.178.61
metric 100
NetworkManager.state:
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
RfKill:
SourcePackage: network-manager
UpgradeStatus: No upgrade log present (probably fresh install)
nmcli-nm:
RUNNING VERSION STATE STARTUP CONNECTIVITY NETWORKING WIFI-HW
WIFI WWAN-HW WWAN
running 1.10.6 connected started full enabled enabled
enabled enabled enabled
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