#1 2018-10-06 20:19:28

arteria
Member
Registered: 2018-10-06
Posts: 2

End to end IPv6 OpenVPN configuration

I want to tunnel IPv6 traffic through an InceptionHosting (OpenVZ/SolusVM) VPS, running Debian (Stretch) minimal. It has a /112 subnet available with a single IP address assigned. I can already connect to the VPN through IPv6, but only get IPv4 connectivity, pointing to a configuration issue in OpenVPN (iptables are set to allow all traffic currently). I am confused about how to configure the server to assign IP addresses and route IPv6 traffic correctly, starting from the configuration generated by Nyx's script (https://forum.lowendspirit.com/viewtopic.php?id=235).

My attempts have been limited to enabling IPv6 forwarding, and fiddling with the server-ipv6, ifconfig-ipv6 and push "route-ipv6 (...)" commands, based on guides found through Google, but due to the single /112 block and IP addresses having to be assigned manually, I'm not sure that they are appropriate, and so far none of the IP addresses/blocks I tried to set have worked. Given these constraints, how should the server configuration and IP addresses in my available subnet be set up for end to end IPv6 connectivity to work? Let's say the subnet is 2001:19f0:abcd:1234::168:0/112, and the server's assigned IPv6 address 2001:19f0:abcd:1234::168:baba/112, for example.

I tried the solution proposed here: https://www.lowendtalk.com/discussion/2 … -on-openvz, with the wiki article recovered from the Internet Archive. This worked, but I am not happy having to use an extra tunnel, and I was not able to obtain an IPv6 block in the same country that my VPS is located, so it is not an adequate solution.

Last edited by arteria (2018-10-06 21:32:34)

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#2 2018-10-08 03:08:46

WSS
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Registered: 2016-12-22
Posts: 411

Re: End to end IPv6 OpenVPN configuration

The answer to question #242 has existed for quite a long time.

https://github.com/Nyr/openvpn-install/ … -273330878


RbyeR4Nm.png

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#3 2018-10-12 10:47:54

arteria
Member
Registered: 2018-10-06
Posts: 2

Re: End to end IPv6 OpenVPN configuration

Like I said, the full subnet is not mapped, so that does not work.

I was told by an admin via Inception Hosting that I should use IPv6 in order to get a unique IP address to avoid getting blocked everywhere due to people using the IPv4 address as a proxy. So I expect there to be a way to do that without having to tunnel through a third party.

Last edited by arteria (2018-10-12 10:50:45)

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#4 2018-10-12 15:11:35

AnthonySmith
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Registered: 2013-02-13
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Re: End to end IPv6 OpenVPN configuration

There sure is a way but I think you need to consider the method, OpenVPN is not the method, look at alternatives or proxies.


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