In the case of transparent proxy servers, the browser is unaware of the proxy server, so no HTTP CONNECT method is sent.

如果是透明代理服务器的情况，浏览器不知道代理服务器，因此不会有HTTP CONNECT方法被发送。

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Therefore, a well-behaved transparent proxy server will cause the WebSocket upgrade handshake to fail almost immediately.

因此，一个工作良好的透明代理服务器几乎会立刻引起WebSocekt升级握手失败。

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The interaction between the proxy server and the back-end directory servers is entirely transparent to the clients.

代理服务器和后端目录服务器之间的交互对于客户机是完全透明的。

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The MobileSpan Gateway is a central server application that acts as a transparent browser and document proxy on the corporate network.

FORBES: Advantages of the MobileSpan Approach