Linux基础-开放服务器端口

开关防火墙

​ 查看正在监听的端口和PID

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netstat -ntlp

​ 查看防火墙状态

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firewall-cmd --state

​ 开启/关闭防火墙

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systemctl start firewalld.service
systemctl stop firewalld.service
systemctl disable firewalld.service
ufw disable

开放端口

​ 开放指定端口

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firewall-cmd --zone=public --add-port=65535/tcp --permanent

​ 重启防火墙

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systemctl restart firewalld.service

​ 查看已开放的端口

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firewall-cmd --list-ports