查看防火牆狀態:
systemctl status firewalld
查看防火牆規則:
firewall-cmd --list-all
防火牆開啟端口命令:
firewall-cmd --zone=public --add-port=80/tcp --permanent
防火牆關閉端口命令:
firewall-cmd --remove-port=80/udp --permanent
防火牆重啟命令:
firewall-cmd --reload
查看防火牆已開啟端口:
firewall-cmd --list-ports