[root@yistack-aio ~]# firewall-cmd --state
running
[root@yistack-aio ~]# systemctl stop firewalld.service
[root@yistack-aio ~]# firewall-cmd --state
not running
[root@yistack-aio ~]#
[root@yistack-aio ~]#
[root@yistack-aio ~]#
[root@yistack-aio ~]# iptables -L
Chain INPUT (policy ACCEPT)
target prot opt source destination
Chain FORWARD (policy ACCEPT)
target prot opt source destination
Chain OUTPUT (policy ACCEPT)
target prot opt source destination
[root@yistack-aio ~]#