ghs.google.com域的机制是什么? [英] What is the mechanism of the `ghs.google.com` domain?

问题描述

如果我想将域名绑定到 GAE (Google App Engine)上的应用程序，则应将CNAME记录添加到 ghs.google.com .我想了解此域的工作原理.

If I want to bind a domain name to my app on the GAE (Google App Engine), I should add a CNAME record to ghs.google.com. I'd like to understand how this domain works.

例如，我有一个这样的CNAME:blog.goace.com→ghs.google.com，我的应用程序的URL为ace.appspot.com.当我在浏览器中输入 http://blog.goace.com 时，在看到我的Gapp之前会发生什么在屏幕上?

For example, I have a CNAME like this: blog.goace.com → ghs.google.com, and my app's URL is ace.appspot.com. When I type http://blog.goace.com in my browser, what will happen before I see my Gapp on the screen?

推荐答案

您的浏览器使用Host: yoursite.com标头将请求发送到Google的服务器.

Your browser sends a request to Google's server with the Host: yoursite.com header.

Google在一个将主机名映射到网站的(大型)数据库中查找该主机名，然后为相应的网站提供服务.

Google looks up this hostname in a (very large) database mapping hostnames to websites, then serves the corresponding website.

此数据库包含App Engine应用程序，Google Apps别名，BlogSpot博客和其他内容.

This database includes App Engine apps, Google Apps aliases, BlogSpot blogs, and other things.

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