CentOS iptables配置

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1、检测并关闭firewall

检测是否开启了firewall

systemctl status firewalld.service

关闭firewall

systemctl stop firewalld.service

禁止firewall开机自启

sytsemctl disable firewalld.service

2、检测并安装iptables

yum install iptables-services
vim /etc/sysconfig/iptables

配置内容可参考Ubuntu iptables设置