Please provide an example of packets that are not being sent through the
VPN; as well as what was used to generate them (browser, ping?) and
attach the output of the 'ip -6 route' and 'ip route' commands.
IPv6 packets will not be caught by an IPv4-only VPN, this is on purpose
-- everything is based off the routing table, which is what decides
where packets will be sent.
** Changed in: network-manager (Ubuntu)
Status: New => Invalid
** Changed in: network-manager-openvpn (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1386380
Title:
network-manager-openvpn leaks w/ IPv6
Status in “network-manager” package in Ubuntu:
Invalid
Status in “network-manager-openvpn” package in Ubuntu:
Incomplete
Bug description:
By "leaking" I mean that there are packages leaving/entering the
machine without passing through the VPN.
To verify:
1. Connect to a Wifi network that assigns IPv6 addresses.
2. Open http://whatsmyipv6.org/ note down the address.
3. Connect to a VPN.
4. Open http://whatsmyipv6.org/ and compare with the result from step 2.
Temporary fix (at least in my case):
sudo sysctl -w net.ipv6.conf.all.disable_ipv6=1
I consider this a security bug since it endangers users relying on a
working/leak-free VPN.
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https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1386380/+subscriptions
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