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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If a browser is configured to use an explicit proxy server then it will first issue an HTTP connect method to that proxy server while establishing the WebSocket connection.

如果一个浏览器被配置为使用显式的代理服务器，那么在建立WebSocket连接时它首先会向该代理服务器发出一个HTTP CONNECT方法。

youdao

If a browser is configured to use an explicit proxy server then it will first issue the HTTP connect method to that proxy server while establishing the WebSocket connection.

如果一个浏览器被配置为使用显式的代理服务器，那么在建立WebSocket连接时它首先向代理服务器发出HTTP CONNECT方法。

youdao