什么叫代理(Proxy) 先举一个通俗的例子:住在城西的你肚子饿了,想吃城东面包坊做的面包,毫无疑问,你可以自己直接跑到城东去买,但这样似乎有点不值得。于是,你可以打发一个伙计替你跑腿去买,若恰巧你楼下的小店卖这种面包,那么也就可以直接在这个小店买了。此时,这个小店就充当了代理的作用。 上网的情形恰好与这种情况有点相似。当我们用自己的电脑上网时,一般通过本地机上的应用程序(例如IE、ICQ等)发出请求,远端的服务器接到请求后响 Proxy (Proxy) First give a popular example: live in the west of the city you are hungry, want to eat bread east of the Square, there is no doubt that you can go directly to the east to buy, but this seems A bit not worth it. So, you can send a buddy to run errands for you to buy, if happen to your downstairs shop selling this bread, then you can buy directly in this store. At this point, this shop acts as a proxy. The situation on the internet happens to be a bit like this. When we use our own computer Internet access, usually through the application on the local machine (such as IE, ICQ, etc.) issued a request, the remote server receives the request