#Trace: 授权用户的拿webshell的方法.受影响版本<=2.8.5,受服务器环境影响.
http://seclists.org/fulldisclosure/2009/Nov/141
Reference:
[1]http://www.4ngel.net/article/63.htm
[2]http://httpd.apache.org/docs/2.2/mod/mod_mime.html#multipleext
[3]http://isc.sans.org/diary.html?storyid=6139
