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  • CentOS7 firewalld防火墙 启动 关闭 禁用 添加删除规则等 常用命令

    CentOS7 firewalld防火墙 常用命令
    1、firewalld的基本使用
    启动: systemctl start firewalld
    关闭: systemctl stop firewalld
    查看状态: systemctl status firewalld
    开机禁用 : systemctl disable firewalld
    开机启用 : systemctl enable firewalld

    启动一个服务:systemctl start firewalld.service
    关闭一个服务:systemctl stop firewalld.service
    重启一个服务:systemctl restart firewalld.service
    显示一个服务的状态:systemctl status firewalld.service
    在开机时启用一个服务:systemctl enable firewalld.service
    在开机时禁用一个服务:systemctl disable firewalld.service
    查看服务是否开机启动:systemctl is-enabled firewalld.service
    查看已启动的服务列表:systemctl list-unit-files|grep enabled
    查看启动失败的服务列表:systemctl –failed

    2.firewalld-cmd 配置命令
    查看版本: firewall-cmd –version
    查看帮助: firewall-cmd –help
    显示状态: firewall-cmd –state
    查看所有打开的端口: firewall-cmd –zone=public –list-ports
    更新防火墙规则: firewall-cmd –reload
    查看区域信息: firewall-cmd –get-active-zones
    查看指定接口所属区域: firewall-cmd –get-zone-of-interface=eth0
    拒绝所有包:firewall-cmd –panic-on
    取消拒绝状态: firewall-cmd –panic-off
    查看是否拒绝: firewall-cmd –query-panic

    端口的增、删、查(以80端口为例)
    添加
    firewall-cmd –zone=public –add-port=80/tcp –permanent (–permanent永久生效,没有此参数重启后失效)
    删除
    firewall-cmd –zone= public –remove-port=80/tcp –permanent
    重新载入
    firewall-cmd –reload
    查看
    firewall-cmd –zone= public –query-port=80/tcp

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  • 原文地址:https://www.cnblogs.com/chling/p/11538519.html
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