This line informs the proxy server to set the host name on the proxy request to that of the proxy server.

这一行通知代理服务器将代理请求上的主机名设置为代理服务器上的主机名。

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Since the clients in the environment are only aware of the front-end proxy server, the server cluster behind the proxy server remains hidden and a unified directory view is presented to the client.

环境中的客户机只知道前端的代理服务器，代理服务器背后的服务器集群对于客户机是隐藏的，客户机会看到统一的目录视图。

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Worse still, if there's a proxy server sitting between a client and server, then the proxy can buffer the data further for its own convenience.

更糟的是，如果在客户端和服务器之间存在代理服务器，那么代理也可能会为自身之便缓存数据。

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He is also accused of using a proxy server to further avoid detection.

BBC: 'Lulzsec hacker' latest to be arrested in US

Many of those posting messages said they could not connect directly to World of Warcraft but could get access when they used a proxy server outside Iran.

BBC: Blizzard cuts off Iranian access to World of Warcraft

According to the Swiss security researcher who runs Abuse.ch, the use of free proxy services like Glype, Tor, and others have an option which allows administrators to log the traffic flowing through their proxy server on the Glype network.

FORBES: Use A Proxy Server, Feed An Intel Service