Date: 2007oct16 Keywords: turn off, IPv6 OS: Linux Distro: RedHat/Fedora/CentOS Q. How can I disable IPv6 on Linux? A. Add this to your /etc/modprobe.conf file

# Turns off IPv6 option net-pf-10 off option ipv6 off

If you have RedHat or Fedora you way also want to remove the IPv6 firewall:

rpm --erase --nodeps iptables-ipv6