On 4/2/17 8:22 AM, Ed Greshko wrote:
On 04/01/17 21:42, William Oliver wrote:
I'm using Fedora 25 on an HP laptop with KDE. I commonly use a VPN
service, but it leaks ipv6 addresses. This seems to be a common
problem with VPN and ipv6, from what I've read on the internet.
So, I've turned off ipv6 for my wireless interface, and that seems to
solve the problem. However, I just can't help but think that this will
eventually cause a problem somewhere.
Is there a better solution for ipv6 leakage with a vpn on Fedora 25
other than just turning it off?
Do you use IPv6 via your ISP or a tunnel under non-VPN situations? How
many network interfaces do you have?
I thought that by a leak it is meant that when you're connected to a VPN
and you'd want all traffic to go via the VPN and your VPN provider
doesn't concurrently support IPv4 and IPv6 (I don't know one that does)
there may be cases when you make a DNS request you get the IPv6 address
of the site and thus your traffic doesn't go via the VPN.
Hi Ed, just as a side issue to this, because my ISP (I don't know about
my VPN provider) IPv6 at all for anything, I was setting IPv6 to
'ignore' via Networkmanager in KDE (Gnome doesn't seem to have the same
options) but that was causing messages in the logs at boot time about
IPv6 not being ready. How do we stop the network from attempting to
activate IPv6 and then producing these messages when it has been turned off?
regards,
Steve
All the suggestions I've seen are to disable IPv6 while using a VPN.
This would be easy if you use a script to start the VPN. Or you could
run a script prior to connecting using NetworkManager. The script would
simply....
echo "1" > /proc/sys/net/ipv6/conf/(interface name)/disable_ipv6 for
each interface on the system.
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