1、首先禁用系统自带的firewall # 禁用firewalld systemctl stop firewalld systemctl mask firewalld 2、使用yum 安装iptables yum install iptables-services 来源:CSDN作者:余-雷链接:https://blog.csdn.net/yulei_qq/article/details/104138724 标签 iptables yum