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# systemctl start firewalld.service #启动防火墙 # systemctl stop firewalld.service #关闭防火墙 # systemctl restart firewalld.service #重启防火墙 # systemctl status firewalld.service #查看防火墙状态 # systemctl enable firewalld.service #开机时启动防火墙 # systemctl disable firewalld.service #禁用开机启动防火墙 # systemctl is-enabled firewalld.service;echo #查看是否启用 # systemctl list-unit-files|grep enabled #查看所有启用的服务 |
查看已经开放的端口：
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# firewall-cmd --list-ports |
开启端口:
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firewall-cmd --zone=public --add-port=80/tcp --permanent |
–zone #作用域 –add-port=80/tcp #添加端口，格式为：端口/通讯协议 –permanent #永久生效，没有此参数重启后失效 重启防火墙:
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# firewall-cmd --reload #重启firewall # firewall-cmd --state |