vim /etc/sysconfig/iptables 增加配置行：-A INPUT –m state --state NEW –m tcp –p –dport 3306 –j ACCEPT 重启防火墙：systemctl restart iptables 相关文章： 2022-01-02 2022-12-23 2022-12-23 2021-12-28 2021-10-02 2022-01-02