CentOS7關閉防火牆和SELinux

防火牆（firewalld） 臨時關閉防火牆 systemctl stop firewalld 防火牆開機不啓動 systemctl disable firewalld 臨時打開防火牆 systemctl start firewalld 防火牆開機啓動 systemctl enable firewalld 查看防火牆狀態 systemctl status firewalld END SELinux

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