Redirecting the IPv6 default gateway
With the advent of IPv6 networks, it is becoming increasingly important to be able to set up a VPN that will secure both IPv4 and IPv6 traffic. If only IPv4 traffic is secured over a VPN tunnel, then it is still possible for traffic to leak out over IPv6. In this recipe, we will set up OpenVPN to secure all IPv6 traffic as well. Support for this was added in OpenVPN 2.4.
Getting ready
The network layout used in this recipe is the same as in the Server-side routing recipe.
This recipe uses the PKI files created in the first recipe of this chapter. Install OpenVPN 2.4 or higher on two computers. Make sure the computers are connected over a network. For this recipe, the server computer was running CentOS 6 Linux ...
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