通过只允许某些用户访问，为您的操作增加了另外一层安全。

By allowing access only to certain users, you build in another level of security to your operations.

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诸如apache等Web服务器提供的授权类型可以称为粗粒度访问控制，因为它只提供了一个外部安全层。

The kind of authorization provided by a Web server like Apache might be called coarse-grained access control because it provides only an outer layer of security.

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传输层安全、消息级安全、入侵保护、身份认证和访问控制——安全的确是一等公民，而且网关中有证书来证实这一点。

Transport-layer security, message-layer security, threat protection, identity and access control – security is truly a first class citizen, and the gateways have the certifications to prove it.

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