cross-posted from: https://lemmy.world/post/3754933

While experimenting with ProtonVPN’s Wireguard configs, I realized that my real IPv6 address was leaking while IPv4 was correctly going through the tunnel. How do I prevent this from happening?

I’ve already tried adding ::/0 to the AllowedIPs option and IPv6 is listed as disabled in the NetworkManager profile.

  • @[email protected]
    6•1 year ago

    In this case, disabling IPv6 is actually the right move. If the VPN provider doesn’t support IPv6, then there’s no way to allow to allow IPv6 Internet traffic without causing a leak/VPN bypass.

    The right move for the VPN provider is to support IPv6. The right move for the user is to take their business to a provider that does.

    • @dack
      1•1 year ago

      Yes, I agree - using a VPN that supports IPv6 is preferred. If they don’t want to/can’t change providers, then disabling IPv6 is the best way to prevent IPv6 leaks without negatively affecting network performance.