systemctl disable firewalld
-##install iptables
-if ! yum -y install iptables-services; then
+# Install iptables
+# Major version is pinned to force some consistency for Arno
+if ! yum -y install iptables-services-1*; then
printf '%s\n' 'nat_setup.sh: Unable to install iptables-services' >&2
exit 1
fi