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How-To disable IPv6 on RHEL6 / CentOS 6 / etc

March 14th, 2013 14 comments

Proper way of disabling IPv6 subsytem in RedHat Linux 6 / CentOS 6 (dont unload modules or so)

in /etc/sysctl.conf  :  net.ipv6.conf.all.disable_ipv6 = 1

in /etc/sysconfig/network  : NETWORKING_IPV6=no

in /etc/sysconfig/network-scripts/ifcfg-eth0 : IPV6INIT=”no”

disable iptables6 – chkconfig –level 345 ip6tables off

reboot

done 😉

PS: if you have more eth interfaces, use brain 😉

Categories: Linux Tags: ,