centos7 禁用firewalld启用iptables

1、禁用默认的Firewalld开机自启动uname -afirewall-cmd --statesystemctl disable firewalld

2、查询并安装iptables的安装包yum list |grep iptablesyum -y install iptables iptables-services

3、启用iptables并设置开机启动systemctl start iptablessystemctl enable iptablesiptables -L