>[danger]Redirecting to /bin/systemctl restart iptables iptables.service 等等类似问题 ``` # 关闭默认防火墙 firewalld systemctl stop firewalld systemctl mask firewalld # 安装iptables-services yum install iptables-services # 开启iptables systemctl enable iptables # 管理服务 systemctl [stop|start|restart] iptables # 保存规则 service iptables save or /usr/libexec/iptables/iptables.init save ```