How to turn off IPV6 in Windows

How to turn off IPV6

Method #1

Start > Control Panel > Network and Internet > Network and Sharing Center > Wireless Connection uncheck ipv6

From here, you can simply turn off IPV6.

Method #2

Start > regedit.exe > HKEY_LOCAL_MACHINE > SYSTEM > CurrentControlSet > services > TCPIP6 > Parameters key new DWORD, DisabledComponents, val = 0

How to disable IPV6 in Ubuntu

How to disabled IPV6

First, check to see if you are running IPV6(there is more than just one way to check):

ip a | grep inet
netstat -tupln

Try blacklisting: /etc/modprobe.d/blacklist.conf add this to the file(have to restart):

blacklist ipv6

/etc/sysctl.conf add this to the file and then run "sudo sysctl -p":

net.ipv6.conf.all.accept_ra = 0
net.ipv6.conf.all.disable_ipv6 = 1
net.ipv6.conf.default.disable_ipv6 = 1
net.ipv6.conf.lo.disable_ipv6 = 1

/etc/default/grub and then run "sudo update-grub2":

GRUB_CMDLINE_LINUX="ipv6.disable=1"

Always check your work: