Disable isatap teredo and 6to4 on Windows 7-8-10

To disable isatap and the teredo tunneling adapter on Windows 7 / 8 / 10, run the dos terminal as administrator (cmd.exe), and run:

netsh int ipv6 isatap set state disabled
netsh int ipv6 6to4 set state disabled
netsh interface teredo set state disable