linux 下設置防火牆容許得端口

linux7以上使用   systemctl status firewalld 查看狀態 systemctl enable firewalld 啓用防火牆 永久 systemctl stop firewalld 中止防火牆 重啓後失效 systemctl disable firewalld 禁用防火牆 永久 systemctl start firewalld 啓動linux systemctl r

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