centos7 防火墙使用iptables

关闭防火墙

关闭防火墙
#禁用，禁止开机启动： systemctl disable firewalld
#停止运行： systemctl stop firewalld

yum安装iptables

yum -y install iptables-services

启动

systemctl start iptables

配置

vim /etc/sysconfig/iptables

 

开机启动iptables

systemctl enable iptables  

 

systemctl stop iptables  

systemctl start iptables  

systemctl restart iptables  

systemctl reload iptables