This password check is done even if the user is following the public key or host-based authentication.

即使用户采用公共密钥或基于主机的身份验证，也会执行这个密码检查。

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One could choose to extend this to the SDK credential based authentication as well, however SDK clients usually have enough functionality to provide full credentials, which is user name and password.

可以把允许只有用户名的范围扩展为包括基于 SDK 凭证的身份验证，但是 SDK 客户机通常具有足以提供完整凭证的功能，完整凭证是用户名和密码。

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Note that the JCC client does not support customized user ID/password-based security plug-ins for authentication or customized group lookup security plug-ins.

注意，JCC 客户机不支持定制的基于用户 ID/密码的安全性身份验证插件和定制的组查找安全性插件。

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