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文章 2024-02-25 来自：开发者社区

PolarDB for MySQL数据库外网连接解析失败的原因

PolarDB for MySQL数据库外网连接解析失败的原因可能有以下几点：网络问题：请检查您的网络连接是否正常，确保您的网络可以访问到PolarDB for MySQL所在的服务器。防火墙设置：请检查您的防火墙是否允许外部访问PolarDB for MySQL的端口（默认为3306）。如果需要࿰...

阿里云文档 2024-02-06

什么是连接主DNS,操作步骤有哪些

概述连接主DNS：是指在主辅连接状态为阻断时，可支持手动触发连接主DNS。阻断说明辅助DNS中的解析记录更新，一般是由主DNS发送NOTIFY来触发解析数据同步，或者是根据主DNS设置的刷新时间来触发解析数据同步（指时间到期则触发）。设置方法登录云解析DNS产品控制台。云解析DNS产品控制台单击...

文章 2024-01-25 来自：开发者社区

PolarDB for MySQL数据库外网连接解析失败的原因可能有以下几点

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更新时间 2024-02-26 03:00:26

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