| Since 2.3.0, OpenVPN officially supports IPv6, and all widely used |
| patches floating around for older versions have been integrated. |
| |
| IPv6 payload support |
| -------------------- |
| |
| This is for "IPv6 inside OpenVPN", with server-pushed IPv6 configuration |
| on the client, and support for IPv6 configuration on the tun/tap interface |
| from within the openvpn config. |
| |
| The code in 2.3.0 supersedes the IPv6 payload patches from Gert Doering, |
| formerly located at http://www.greenie.net/ipv6/openvpn.html |
| |
| |
| The following options have been added to handle IPv6 configuration, |
| analogous to their IPv4 counterparts (--server <-> --server-ipv6, etc.) |
| |
| - server-ipv6 |
| - ifconfig-ipv6 |
| - ifconfig-ipv6-pool |
| - ifconfig-ipv6-push |
| - route-ipv6 |
| - iroute-ipv6 |
| |
| see "man openvpn" for details how they are used. |
| |
| |
| |
| IPv6 transport support |
| ---------------------- |
| |
| This is to enable OpenVPN peers or client/servers to talk to each other |
| over an IPv6 network ("OpenVPN over IPv6"). |
| |
| The code in 2.3.0 supersedes the IPv6 transport patches from JuanJo Ciarlante, |
| formerly located at http://github.com/jjo/openvpn-ipv6 |
| |
| OpenVPN 2.4.0 includes a big overhaul of the IPv6 transport patches |
| originally implemented for the Android client (ics-openvpn) |
| |
| IPv4/IPv6 transport is automatically is selected when resolving addresses. |
| Use a 6 or 4 suffix to force IPv6/IPv4: |
| |
| --proto udp6 |
| --proto tcp4 |
| --proto tcp6-client |
| --proto tcp4-server |
| --proto tcp6 --client / --proto tcp6 --server |
| |
| On systems that allow IPv4 connections on IPv6 sockets |
| (all systems supporting IPV6_V6ONLY setsockopt), an OpenVPN server can |
| handle IPv4 connections on the IPv6 socket as well, making it a true |
| dual-stacked server. Use bind ipv6only to disable this behaviour. |
| |
| On other systems, as of 2.3.0, you need to run separate server instances |
| for IPv4 and IPv6. |
