Hi,

On Tue, Jul 03, 2018 at 12:18:13AM -0400, James Peng via Openvpn-users wrote:
> But when I try this for some popular websites, such as google, yahoo, cnn, I
> got this:
> 
> ----- begin
> 
> Tracing route to www.google.com [2607:f8b0:4006:811::2004]
> over a maximum of 30 hops:
>
>   1     5 ms     8 ms     3 ms  2603:3005:540b:7800:c02:27ff:fef2:eaa7
>   2    27 ms    26 ms    30 ms  2001:558:4023:145::1
>   3    13 ms    12 ms    13 ms  2001:558:202:406::1

Your VPN server @home is not pushing out IPv6 ifconfig and IPv6 routes.

If you *have* IPv6 @home, take a subnet from your IPv6 network, and
add "server-ipv6  $ipv6subnet/64" and "push 'redirect-gateway def1 ipv6'" 
to your OpenVPN server config.

If you do *not* have IPv6 @home, complain to your ISP to give you IPv6 -
and in the meantime, you could still push an IPv6 address + IPv6 default
route, and install an iptables "reject" target on the OpenVPN server,
so connection attempts via IPv6 will fail right away, falling back to
IPv4.  (Just null-routing IPv6 will lead to timeouts which is not good
user experience)

gert
-- 
"If was one thing all people took for granted, was conviction that if you 
 feed honest figures into a computer, honest figures come out. Never doubted 
 it myself till I met a computer with a sense of humor."
                             Robert A. Heinlein, The Moon is a Harsh Mistress

Gert Doering - Munich, Germany                             [email protected]

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