*** This bug is a duplicate of bug 1754671 ***
https://bugs.launchpad.net/bugs/1754671
** This bug is no longer a duplicate of bug 1688018
DNS server from vpn connection is not being used after network-manager
upgrade to 1.2.6
** This bug has been marked a duplicate of bug 1754671
*** This bug is a duplicate of bug 1688018 ***
https://bugs.launchpad.net/bugs/1688018
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: dnsmasq (Ubuntu)
Status: New => Confirmed
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*** This bug is a duplicate of bug 1688018 ***
https://bugs.launchpad.net/bugs/1688018
I did some tests, and can confirm that with n-m 1.2.6-0ubuntu0.16.04.1 my local
DNS (sent via dhcp to the machine) is also added to the DNS server list when
the VPN is established:
Aug 31 20:36:32 31-64
https://bugs.launchpad.net/ubuntu/+source/network-
manager/+bug/1671606/comments/9 says that resolvconf should also be
downgraded.
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I'm checking if this bug could be a duplicate of
https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1671606
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If you downgrade network-manager (and its dependent packages) back to
1.2.2-0ubuntu0.16.04.4, does it fix the problem? Now you have
1.2.6-0ubuntu0.16.04.1, correct?
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** Changed in: dnsmasq (Ubuntu)
Status: Incomplete => New
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https://bugs.launchpad.net/bugs/1704288
Title:
Ubuntu 16.04 VPN : DNS information leaking
Hi,
here are the openvpn, network manager, dnsmasq version I use.
ii dnsmasq-base
2.75-1ubuntu0.16.04.2amd64Small caching DNS
proxy and DHCP/TFTP server
ii libnm-glib-vpn1:amd64
Ubuntu 16.04.3 LTS, packages updated today, problem is still present
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https://bugs.launchpad.net/bugs/1704288
Title:
Ubuntu 16.04 VPN : DNS information
Sorry I posted too fast the last sentence was unclear:
...
Only 127.0.1.1 nameserver is set in resolv.conf after connecting thz VPN
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The option you mentioned is not set.
First default gw in the routing table is through the vpn.
Only 127.0.1.1 after connecting the VPN.
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Do you have your vpn configuration in network-manager so that all
traffic should go through it, or do you have "Use this connection only
for resources on its network" checked? That's in ipv4-settings->routes,
same under ipv6-settings.
Also, I assume your /etc/resolv.conf, *after* connecting to
I can confirm this bug on an up to date 16.04.02 Ubuntu MATE in a
virtual machine.
This is a regression as the problem only surfaced within the last 2-3
weeks: it was working correctly before.
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Hi,
I am using Networkmanager's openvpn plugin;
I think that perhaps dnsmasq is receiving information from both VPN and LAN.
Perhaps networkmanager should set the dnsmasq to listen only to the VPN "tun"
interface and restart or reload dnsmasq after the VPN is established.
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https://bugs.launchpad.net/bugs/1704288
Title:
Ubuntu 16.04 VPN : DNS information leaking through dnsmasq
Status in dnsmasq package in Ubuntu:
What kind of vpn are you using, is it openvpn? How did you establish it,
was it via the network-manager plugin? Or do you manually bring up an
openvpn client? If it's some other vpn, could you clarify how it is used
please?
Thanks
** Changed in: dnsmasq (Ubuntu)
Status: New => Incomplete
** Tags added: xenial
** Package changed: ubuntu => dnsmasq (Ubuntu)
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Title:
Ubuntu 16.04 VPN : DNS information
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