发表更新操作系统几秒读完 (大约102个字) centos7防火墙设置firewalld-cmd
常用命令
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| systemctl start firewalld # 启动
systemctl stop firewalld # 停止
systemctl enable firewalld # 启用自动启动
systemctl disable firewalld # 禁用自动启动
systemctl status firewalld # 查看状态 或者
firewall-cmd --state #查看状态
firewall-cmd --list-ports #查看端口开放列表
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