Public bug reported:
Since updating to network-manager 1.2.4-0ubuntu1 and libnss-resolve
231-7 on the 28th, yakkety is now ignoring manual DNS settings on wifi
connections. The resolv.conf file is points to 127.0.1.1 instead of
what is configured in the connection.
To recreate
-----------
On Ubuntu 16.10 (fully patched as of 2016-09-30):
1) Create an ipv4 wifi connection, with a manually set a dns server.
2) Connect to that wifi connection
3) Test name resolution - it will still be using 127.0.1.1 instead of your
manually configured server
This might be considered a security problem for people that use special DNS
configurations or dnscrypt.
ProblemType: Bug
DistroRelease: Ubuntu 16.10
Package: network-manager 1.2.4-0ubuntu1
ProcVersionSignature: Ubuntu 4.4.0-9136.55-generic 4.4.16
Uname: Linux 4.4.0-9136-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
ApportVersion: 2.20.3-0ubuntu7
Architecture: amd64
CurrentDesktop: Unity:Unity7
Date: Fri Sep 30 05:47:57 2016
IfupdownConfig:
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
IpRoute:
default via 192.168.9.240 dev wlp3s0 proto static metric 600
169.254.0.0/16 dev wlp3s0 scope link metric 1000
192.168.9.0/24 dev wlp3s0 proto kernel scope link src 192.168.9.153 metric
600
NetworkManager.state:
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
WimaxEnabled=true
SourcePackage: network-manager
UpgradeStatus: No upgrade log present (probably fresh install)
nmcli-dev:
DEVICE TYPE STATE DBUS-PATH
CONNECTION CON-UUID
CON-PATH
wlp3s0 wifi connected
/org/freedesktop/NetworkManager/Devices/0 dusk
f7b9d8b8-06b6-4d6a-850b-cfd4ebec44ab
/org/freedesktop/NetworkManager/ActiveConnection/0
enp2s0f1 ethernet unavailable
/org/freedesktop/NetworkManager/Devices/1 -- --
--
hfp/org/bluez/hci0/dev_4C_7C_5F_9E_A6_3C gsm unavailable
/org/freedesktop/NetworkManager/Devices/3 -- --
--
lo loopback unmanaged
/org/freedesktop/NetworkManager/Devices/2 -- --
--
nmcli-nm:
RUNNING VERSION STATE STARTUP CONNECTIVITY NETWORKING WIFI-HW WIFI
WWAN-HW WWAN
running 1.2.4 connected started full enabled enabled
enabled enabled enabled
** Affects: network-manager (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug yakkety
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https://bugs.launchpad.net/bugs/1629276
Title:
network-manager ignoring DNS settings in wifi connections
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