I think this is the bug I'm seeing too on Xenial now. Even though I
have "Use this connection only for resources on its network" enabled for
both IPv4 and IPv6, once the VPN is brought up, all DNS for my LAN (i.e.
talking to my internal DNS server) is non-functional and my internal LAN
host names
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: network-manager (Ubuntu)
Status: New = Confirmed
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https://bugs.launchpad.net/bugs/1440607
Further investigation:
- Disabling dns=dnsmasq handler means this does not occur
- I am ending up with VPN_IP4_DOMAINS set in the log
- Default route is getting set to the vpn, and is configured as such (the
'disable default route' is not selected)
- Reading
** Attachment added: network manager connection debug info
https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1440607/+attachment/4380455/+files/nm_connection_log
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Same connection a couple weeks ago:
Mar 25 08:54:23 localhost NetworkManager[809]: info VPN connection 'Work VPN'
(IP Config Get) reply received.
Mar 25 08:54:23 localhost NetworkManager[809]: info VPN connection 'Work VPN'
(IP4 Config Get) reply received.
Mar 25 08:54:23 localhost
Created a fresh 14.10 installation (utopic) + network-manager-openconnect-gnome
and confirmed the original behaviour.
Upgraded same installation to 15.04 and now experiencing the same behaviour as
reported above.
Additionally, as this VPN specifies that other traffic is firewalled,
the default
** Description changed:
- When connecting to my work VPN (network-manager-openconnect), typically
- the name-servers for the VPN are used entirely for the whole system and
- all domain names.
+ When connecting to a VPN using network manager (openconnect), DNS
+ resolution stops working for me.
