下面是Linux系统一些常见防火墙操作命令的使用情况介绍:
firewall-cmd --state
systemctl stop firewalld.service
systemctl start firewalld.service
systemctl disable firewalld.service
service iptables status
service iptables stop
service iptables star
chkconfig iptables --list
chkconfig iptables on
chkconfig iptables off