IPv6

Configure Kali Linux to use VPN on IPv6 with OpenVPN configuration file

apt install network-manager-openvpn-gnome
sudo nmcli connection import type openvpn file /path/to/<vpn name>.ovpn
sudo nmcli connection modify <vpn name> ipv4.never-default true ipv6.never-default true

You can then go to Settings/Network In Kali Linux and toggle on the VPN or make changes to the configurations.

Install tools for IPv6

apt-get install netcat-openbsd
# Use
nc.openbsd $IP $PORT

Configure Firefox to use IPv6

Firefox does not prefer IPv6 connectivity over IPv4 connectivity if both exist. Therefore, we must change Firefox to prefer IPv6 sites when we have a choice.

  • Using Firefox, type “about:config” in the URL bar
  • Change configurations:
    • network.dns.ipv4OnlyDomains : set to an empty list
    • network.dns.disableIPv6 : set to false

Test IPv6 connectivity

Hurricane Electric IPv6 Tunnel Broker

https://tunnelbroker.net/