Why does it say to disable ipv6 along with the likes of no direct root login allowed in the "System and Bios hardening" section? (page 40) https://wikileaks.or

Why does it say to disable ipv6 along with the likes of no direct root login allowed in the "System and Bios hardening" section? (page 40) https://wikileaks.org/spyfiles/docs/GAMMA_2010_FinfFINFISP_en.html https://wikileaks.org/spyfiles/docs/GAMMA_2010_FinfFINFISP_e...