8. 다시 iptables -L 명령어를 이용해 방화벽 목록을 확인합니다. 좀 전에 삽입한 포트가 보이면 정상적으로 적용된 것입니다.
[root@controller ~]# iptables -L Chain INPUT (policy ACCEPT) target prot opt source destination ACCEPT all -- anywhere anywhere state RELATED,ESTABLISHED ACCEPT icmp -- anywhere anywhere ACCEPT all -- anywhere anywhere ACCEPT tcp -- anywhere anywhere state NEW tcp dpt:ssh ACCEPT tcp -- anywhere anywhere state NEW tcp dpt:amqp REJECT all -- anywhere anywhere reject-with icmp-host-prohibited ...