即使我将安全组设置为允许所有流量，也会显示以下错误。我该如何正确设置安全规则？
Warning: mysqli_connect(): (HY000/1130): Host '123.202.164.45' is not allowed to connect to this MySQL server in /Applications/XAMPP/xamppfiles/htdocs/data.php on line 16
Failed to connect to MySQL: Host '123.202.164.45' is not allowed to connect to this MySQL server
答案 0 :(得分：2)
解决了，谢谢！ MySQL禁止远程登录root帐户。