Webrick透明代理 [英] Webrick transparent proxy

问题描述

我有一个绝对简单的代理运行。

I've a absolute simple proxy running.

require 'webrick' 
require 'webrick/httpproxy' 

s = WEBrick::HTTPProxyServer.new(:Port => 8080,
    :RequestCallback => Proc.new{|req,res| puts req.request_line, req.raw_header})

# Shutdown functionality
trap("INT"){s.shutdown}

# run the beast
s.start

在我看来，这不应以任何方式影响沟通。但是有些网站不再有用了。特别是 http://lastfm.de 的嵌入式闪存播放器不起作用。

This should in my mind not influence the communication in any way. But some sites doesn't work any more. Specially http://lastfm.de 's embedded flash players doesn't work.

标题看起来是链接：

- -> http://ext.last.fm/2.0/?api%5Fsig=aa3e9ac9edf46ceb9a673cb76e61fef4&flashresponse=true&y=1269686332&streaming=true&playlistURL=lastfm%3A%2F%2Fplaylist%2Ftrack%2F42620245&fod=true&sk=ee93ae4f438767bf0183d26478610732&lang=de&api%5Fkey=da6ae1e99462ee22e81ac91ed39b43a4&method=playlist%2Efetch
GET http://play.last.fm/preview/118270350.mp3 HTTP/1.1
Host: play.last.fm
User-Agent: Mozilla/5.0 (X11; U; Linux i686; de; rv:1.9.2) Gecko/20100308 Ubuntu/10.04 (lucid) Firefox/3.6
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: de,en-us;q=0.7,en;q=0.3
Accept-Encoding: gzip,deflate
Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
Keep-Alive: 115
Proxy-Connection: keep-alive
Cookie: AnonWSSession=ee93ae4f438767bf0183d26478610732; AnonSession=cb8096e3b0d8ec9f4ffd6497a6d052d9-12bb36d49132e492bb309324d8a4100fc422b3be9c3add15ee90eae3190db5fc
localhost - - [27/Mar/2010:11:38:52 CET] "GET http://www.lastfm.de/log/flashclient/minor/Track_Loading_Fail/Buffering_Timeout HTTP/1.1" 404 7593
- -> http://www.lastfm.de/log/flashclient/minor/Track_Loading_Fail/Buffering_Timeout
localhost - - [27/Mar/2010:11:38:52 CET] "GET http://play.last.fm/preview/118270350.mp3 HTTP/1.1" 302 0

我有一些提示为什么或者是什么通信干扰。

I nead some hints why or what the communication disturb.

推荐答案

也许是Lastfm.de上的crossdomain.xml文件？

Perhaps it's the crossdomain.xml file on Lastfm.de?

它设置为仅允许来自以下域的Flash访问：

It is set to only allow flash access from the following domains:

*.last.fm
*.audioscrobbler.com
87.117.229.54

http://lastfm.de/crossdomain.xml

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