CentOS常见命令之防火墙

1. 查看、关闭、开启防火墙 1.1 查看防火墙运行状态 systemctl status firewalld 输出结果python ● firewalld.service - firewalld - dynamic firewall daemon Loaded: loaded (/usr/lib/systemd/system/firewalld.service; enabled; vend

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