The software described in this documentation is either in Extended Support or Sustaining Support. See https://www.oracle.com/us/support/library/enterprise-linux-support-policies-069172.pdf for more information.
Oracle recommends that you upgrade the software described by this documentation as soon as possible.

25.3.5 Saving Rules

To save your changes to the firewall rules so that they are loaded when the iptables service next starts, use the following command:

# service iptables save

The command saves the rules to /etc/sysconfig/iptables and /etc/sysconfig/ip6tables.