The following sections describe pluggable authentication methods available in MySQL and the plugins that implement these methods. For general discussion of the authentication process, see Section 6.2.17, “Pluggable Authentication”.以下部分描述了MySQL中可用的可插拔身份验证方法以及实现这些方法的插件。有关身份验证过程的一般讨论，请参阅第6.2.17节，“可插拔身份验证”。

The default plugin is indicated by the value of the default_authentication_plugin system variable.默认插件由default_authentication_plugin系统变量的值指示。