3. 설치가 완료되면 시스템이 재부팅되어도 자동으로 실행할 수 있도록 systemctl enable 명령어를 이용해 활성화합니다.
[root@controller ~]# systemctl enable iptables
Created symlink from /etc/systemd/system/basic.target.wants/iptables.service to /usr/lib/systemd/system/iptables.service.
4. 서비스가 시작되면 정상적으로 실행되는지 status를 확인합니다.
[root@controller ~]# systemctl start iptables [root@controller ~]# systemctl status iptables ● iptables.service - IPv4 firewall with iptables Loaded: loaded (/usr/lib/systemd/system/iptables.service; enabled; vendor preset: disabled) Active: active (exited) since 금 2016-07-22 23:45:20 KST; 6s ago Process: 5058 ExecStart=/usr/libexec/iptables/iptables.init start (code=exited, status=0/SUCCESS) Main PID: 5058 (code=exited, status=0/SUCCESS) 7월 22 23:45:20 controller systemd[1]: Starting IPv4 firewall with iptables... 7월 22 23:45:20 controller iptables.init[5058]: iptables: Applying firewall rules: [ OK ] 7월 22 23:45:20 controller systemd[1]: Started IPv4 firewall with iptables.