查看防火墙状态
systemctl status firewalld
开启防火墙
systemctl start firewalld
关闭防火墙
systemctl stop firewalld
开机禁用
systemctl disable firewalld
开机启用
systemctl enable firewalld
查看当前firewall状态
firewall-cmd --state
重启firewall
firewall-cmd --reload
禁止开机启动
systemctl disable firewalld.service
查看已经开放的端口:
firewall-cmd --list-ports
开启端口
firewall-cmd --zone=public --add-port=80/tcp --permanent
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