Hello,
like many ISP subscribers, I'm behind a DS-Lite type connection with globally routable IPv6, and no public IPv4 address (IPv4 connectivity through IPv6 softwires to CGN). All VPN providers I tried up to now sucked, because they either lack IPv6 support entirely, or implement it only partially or incorrectly. All this resuling in copious IPv6 leaks all over the place. Since I need to connect to IPv6 servers too, following the advice of the VPN providers to simply disable IPv6 isn't an option.
I'm still waiting for a decent VPN provider with up-to-date (full) IPv6 support. Even something like perfect-privacy.com isn't there yet, since they claim to be able to multiplex IPv6 and IPv4 traffic over the same IPv4 tunnel, but according to their tech support, they don't yet implement IPv6 envelopes, i.e. tunnels to IPv6 servers running openvpn bypassing those pesky CGNs.
Or maybe things have improved since I last checked? Any suggestions for decent IPv6 VPNs highly appreciated.