Disable IPv6 Debian 8

Disable IPv6 Debian 8 / Ubuntu

If can’t remove IPv6 on Debain 8 from hosting admin menu, It can disable through terminal

Debian-based/Ubuntu

sudo bash -c 'cat <<EOF >> /etc/sysctl.conf
net.ipv6.conf.all.disable_ipv6 = 1
net.ipv6.conf.default.disable_ipv6 = 1
net.ipv6.conf.lo.disable_ipv6 = 1
EOF'

Configure SSH daemon to only listen over IPv4 by running the following:

echo 'AddressFamily inet' | sudo tee -a /etc/ssh/sshd_config

Then Reboot #reboot

Leave a Reply

Your email address will not be published. Required fields are marked *