Public bug reported:
I have resolvconf installed
and when I visit dnsleaktest.com it shows I m using the dns vpn server
yet if I iptables allow dns only on vpn interface , resolution fails.
with wireshark I had confirmation that some queries were indeed sent-received
from my ISP dns.
this is consistent on many vpn servers from different vpn providers.
ubuntu 19.04
openvpn:
Installed: 2.4.6-1ubuntu3.1
openvpn should send all dns requests on the vpn interface (encrypted)
it doesn t ,worse it fails to resolve anything if the firewall blocks all dns
on non vpn interfaces.
tried with openresolv instead resolvconf ,dns didn t t work.
** Affects: openvpn (Ubuntu)
Importance: Undecided
Status: New
** Information type changed from Private Security to Public
** Package changed: network-manager (Ubuntu) => openvpn (Ubuntu)
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https://bugs.launchpad.net/bugs/1834745
Title:
openvpn dns leaks on 19.04
Status in openvpn package in Ubuntu:
New
Bug description:
I have resolvconf installed
and when I visit dnsleaktest.com it shows I m using the dns vpn server
yet if I iptables allow dns only on vpn interface , resolution fails.
with wireshark I had confirmation that some queries were indeed sent-received
from my ISP dns.
this is consistent on many vpn servers from different vpn providers.
ubuntu 19.04
openvpn:
Installed: 2.4.6-1ubuntu3.1
openvpn should send all dns requests on the vpn interface (encrypted)
it doesn t ,worse it fails to resolve anything if the firewall blocks all dns
on non vpn interfaces.
tried with openresolv instead resolvconf ,dns didn t t work.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/openvpn/+bug/1834745/+subscriptions
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