创建一个到服务的安全连接，它会进行加密和验证，这样您至少有一种方法为到该服务的连接保证机密性和完整性。

Create a secure connection to the service that encrypts and authenticates, so you at least have a way to get confidentiality and integrity for the connection to the service.

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如果它们包含机密信息，比如口令，您可能希望让服务器代理在读取文档之后删除该信息。

If they contain confidential information, such as passwords, you may want to have the server agent erase that information after it's been read.

youdao

一些机密内容，比如邮件消息的正文，是由服务器标记的，所以它们没有被缓存。

Confidential content, such as the body of a mail message, is tagged by the server so that it is not cached.

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