Hi, I think I found the reason and the solution for this. I left all the logs on stdout for a while to see if anything dodgy appeared and at some point saw this message:
./syslog:May 7 14:16:08 tuxedo systemd-resolved[1434]: Switching to fallback DNS server 8.8.8.8. ./syslog:May 7 14:28:31 tuxedo systemd-resolved[1434]: Switching to fallback DNS server 8.8.8.8. ./syslog:May 7 14:30:05 tuxedo systemd-resolved[1434]: Switching to fallback DNS server 8.8.8.8. ./syslog:May 7 14:37:58 tuxedo systemd-resolved[1434]: Switching to fallback DNS server 8.8.8.8. ./syslog:May 7 14:39:52 tuxedo systemd-resolved[1434]: Switching to fallback DNS server 8.8.8.8. ./syslog:May 7 14:41:34 tuxedo systemd-resolved[1434]: Switching to fallback DNS server 8.8.8.8. ./syslog:May 7 15:29:40 tuxedo systemd-resolved[1434]: Switching to fallback DNS server 8.8.8.8. ./syslog:May 7 15:29:40 tuxedo systemd-resolved[1434]: Switching to fallback DNS server 8.8.4.4. ./syslog:May 7 15:31:31 tuxedo systemd-resolved[1434]: Switching to fallback DNS server 8.8.8.8. ./syslog:May 7 15:45:41 tuxedo systemd-resolved[1469]: Switching to fallback DNS server 8.8.8.8. ./syslog:May 7 15:45:41 tuxedo systemd-resolved[1469]: Switching to fallback DNS server 8.8.4.4. ./syslog:May 7 15:49:27 tuxedo systemd-resolved[1469]: Switching to fallback DNS server 8.8.8.8. ./syslog:May 7 15:51:12 tuxedo systemd-resolved[1469]: Switching to fallback DNS server 8.8.8.8. ./syslog:May 7 16:08:55 tuxedo systemd-resolved[1469]: Switching to fallback DNS server 8.8.8.8. ./syslog:May 7 16:08:55 tuxedo systemd-resolved[1469]: Switching to fallback DNS server 8.8.4.4. ./syslog:May 7 16:09:10 tuxedo systemd-resolved[1469]: Switching to fallback DNS server 8.8.8.8. ./syslog:May 7 16:09:11 tuxedo systemd-resolved[1469]: Switching to fallback DNS server 8.8.4.4. ./syslog:May 7 18:00:55 tuxedo systemd-resolved[1469]: Switching to fallback DNS server 8.8.8.8. ./syslog:May 7 18:33:53 tuxedo systemd-resolved[1435]: Switching to fallback DNS server 8.8.8.8. Which mas making no sense at all, as those DNS were changed for the DNSWatch ones months ago (and before starting to use a VPN at all, and are nowhere on my config files), I have no DNS servers configured aside of the ones the VPN pushes when I connect. So I tried this: sudo systemd-resolve --flush-caches And ran an extended dns leak test on https://dnsleaktest.com/ while connected both on the openvpn CLI and with the openvpn-network-manager- gnome applet. Both were negative (no leaks) while they used to fail before. Can someone please test this too and comment? Thanks, J -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1652525 Title: DNS leak in ubuntu 16.10 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/openvpn/+bug/1652525/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
