CentOS7 firewall configuration, restart

Development port

firewall-cmd --zone=public --add-port=端口号/tcp --permanent

Close port

firewall-cmd --permanent --remove-port=端口号/tcp

Check if the port is open

firewall-cmd --query-port=端口号/tcp

Restart firewall configuration

firewall-cmd --reload

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Origin blog.csdn.net/qq_43647359/article/details/105864690