CentOS常見命令之防火牆

1. 查看、關閉、開啓防火牆 1.1 查看防火牆運行狀態 systemctl status firewalld 輸出結果python ● firewalld.service - firewalld - dynamic firewall daemon Loaded: loaded (/usr/lib/systemd/system/firewalld.service; enabled; vend

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