On Tue, July 12, 2016 12:51, Earl A Ramirez wrote: > if I had any knowledge of systemd and other things that are more than >> totally different ... >> I'm not an expert; is ip(6)tables still part of CentOS 7? >> > > It is available but not installed by default, you will have to install it > and stop and disable firewalld. > and this done by which shell command? (as I have nearly no knowledge about systemd) in C6 I'd do chkconfig iptables on chkconfig ip6tables on service iptables start service ip6tables start