1.开启防火墙
临时开启防火墙systemctl start firewalld
开机启动防火墙systemctl enable firewalld
2.查看防火墙状态
firewall-cmd --state
3.关闭防火墙
临时关闭防火墙:systemctl stop firewalld
禁止开机启动: systemctl disable firewalld
4.查看当前已开放的端口
firewall-cmd --list-ports
5.开启端口
firewall-cmd --zone=public --add-port=3306/tcp --permanent
需重启防火墙才会生效
6.重启防火墙
firewall-cmd --reload
网友评论