大多数应用程序需要解决用户的验证和授权问题。
Most applications need to address the issues of user authentication and authorization.
它允许网络访问服务器(NAS)执行对用户的验证、授权和记帐。
It allows a network access server (NAS) to perform authentication, authorization, and accounting for users.
当然调查者必须小心避免基于自己对事实的解释做出假设，而不经过用户的验证。
Interviewers must be careful, however, to avoid assumptions based on their own interpretation of the facts without verifying these assumptions with users.
因此，有了UCPM用户的验证或者系统的整合，团队就能够生成更精确的比其它测试阶段更早的评估。
Thus, with UCPM user acceptance or systems integration, teams will be able generate more accurate estimations much earlier than the other test phases.
您将学习如何在Linux系统上建立和配置一个RemoteAuthenticationDial - inUserService服务器(RADIUS)，以执行对用户的验证、授权和记帐(AAA)。
You'll learn how to set up and configure a Remote authentication Dial-In user Service server (RADIUS) on a Linux system to perform authentication, authorization, and accounting (AAA) for users.
系统登录会使用到诸如源ID（安全识别符），域和系统用户名等信息进行身份验证，因此被认为是安全的。
The system login uses information such as source ID (SID), domain and system user name for authentication, so it is considered secure.
所有应用程序都需要验证用户输入的数据。
All applications need to validate the data that users enter.
这将验证用户的选项，然后保存这些选项。
用户接口原型能够大大促进验证用户用例的过程。
User interface prototypes can greatly facilitate the process of validating business use cases with users.
命令可用来验证用户的交互，并且提供撤销和重做支持。
Commands can be used to validate the user's interaction, and to provide undo and redo support.
注意：很有可能创建两个相互冲突的规则，阻止用户传递完整的验证。
Note: it is possible to create 2 rules that conflict with each other and that can prevent a user from passing the full validation.
这引出了Twitter如何验证用户的概念。
This brings us to the notion of how Twitter authenticates users.
为了实现这一需求，您应该正确地配置用户身份的验证和授权。
To implement this requirement, you should properly configure the identification and authentication of a user identity.
当然，您可以添加您想要的任何逻辑，额外的通道、用户验证和登录，等等。
Of course, you can add whatever logic you want, extra channels, user validation and login, and so on.
应用程序可以通过将用户的凭证直接传递给数据库服务器来验证用户的凭证。
The application is able to validate the credentials of a user by passing them directly to a database server.
使用本文介绍的工具和代码，您可以创建使用击键力学连续进行用户验证的自定义框架。
The tools and code described in this article allow you to create your own framework for continuous user verification using keystroke dynamics.
这通常需要某种形式的授权和对用户注册的身份验证。
This usually requires some form of authorization and authentication against a user registry.
这是对用户进行身份验证的服务。
这个模块是一个支持用户身份验证的完整的包。
This module is a complete package that supports user authentication.
您创建的其他角色不能区分匿名用户和通过身份验证的用户，因此有必要审计这些关键角色的权限。
Other roles you create cannot differentiate between anonymous users and authenticated users, so some auditing of permissions for these essential roles is likely warranted.
在接下来的几节中，您将对这三个文件进行一些修改，从而完成整个表单，添加用户输入的验证方法并处理验证错误。
You will make some changes to the three files in the following sections, to complete the form, add user inputs validation methods and process the validation errors.
服务器的安全系统将针对安全注册中心对用户进行验证并获得关于用户的安全信息。
The server's security system validates the user against its security registry and obtains other security information about the user.
如果一个程序需要验证用户的身份，它可以调用PAMAPI。
If a program needs to authenticate a user, it can call the PAM API.
它提供一个统一的机制来管理用户的身份验证，并实现业务规则来决定用户对应用程序和数据的访问。
It provides a unified mechanism to manage the authentication of users and implement business rules determining user access to applications and data.
从用户概要(如果请求是由经过身份验证的用户发出的)。
From the user profile, if the request is made by an authenticated user.
如果NAS收到用户连接请求，它会将它们传递到指定的RADIUS服务器，后者对用户进行验证，并将用户的配置信息返回给NAS。
If the NAS receives user-connection requests, it passes them to the designated RADIUS server which authenticates the user and returns the user's configuration information to the NAS.
证书是特定于每一位用户的，用户在进行身份验证方面不存在什么困难。
This certificate is specific to that individual, and the user is not challenged for authentication.
令牌中用户的标识包括用户ID和用户的域(对该用户进行身份验证的LDAP服务器)。
The identity of the user in the token includes both the user id and the domain of the user (the LDAP server the user was authenticated against).
添加了基于用户提供的模式验证XML数据的支持。
New support for validating XML data based on user-supplied schemas.
例如，IIS将尝试对发出请求的用户进行身份验证，并确定通过身份验证的用户是否有权限访问被请求的文件。
For example, IIS attempts to authenticate the user making the request and determine if the authenticated user has authorization to access the requested file.
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