Host '175.163.141.125' is not allowed to connect to this MySQL server

报错信息"Host '175.163.141.125' is not allowed to connect to this MySQL server"表示主机'175.163.141.125'没有被允许连接到MySQL服务器。这个错误通常是由于MySQL的系统数据库mysql中的user表没有配置远程访问主机的登录信息所致。

解决这个问题的方法如下：
1. 登录到MySQL服务器。
2. 使用mysql数据库：mysql> USE mysql;
3. 查看当前user表中的登录信息：mysql> SELECT Host, User FROM user;
4. 检查是否存在与报错信息中的IP地址和登录名相匹配的记录，如果没有则需要添加。
5. 添加远程登录信息：mysql> GRANT ALL PRIVILEGES ON *.* TO 'username'@'175.163.141.125' IDENTIFIED BY 'password';
其中，'username'是您想要使用的用户名，'password'是您设置的密码。
6. 刷新权限：mysql> FLUSH PRIVILEGES;
7. 退出MySQL：mysql> EXIT;

通过以上步骤，您应该能够解决"Host '175.163.141.125' is not allowed to connect to this MySQL server"的报错。请记得将'username'替换为您自己的用户名，并设置一个强密码来保护您的数据库安全。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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