Here is a (very) partial list of uses of a forward proxy server:Ī) Someone with administrative authority over X's internet connection has decided to block all access to site Z. Reasons why X would want to use a forward proxy server: However, in some scenarios, it is better for Y -> Z on behalf of X, Z = the web site you want to visit, Normally, one would connect directly from X -> Z.X = your computer, or "client" computer on the internet.A tale of 3 computers (part I)įor an example, I will list three computers connected to the internet. The proxy event, in this case, is that the "forward proxy" retrieves data from another web site on behalf of the original requestee. Most discussion of web proxies refers to the type of proxy known as a "forward proxy." In the computer realm, we are talking about one server acting on the behalf of another computer.įor the purposes of accessibility, I will limit my discussion to web proxies - however, the idea of a proxy is not limited to websites. The previous answers were accurate, but perhaps too terse.įirst of all, the word "proxy" describes someone or something acting on behalf of someone else.
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