Stopping hot-linking leeches with IIS and ASP.NET

Many web sites suffer from others directly linking to their image, video and other content.  This practice is called often called leeching, hot-linking, or inline-linking and causes wasted bandwidth and increased server load to the victim web site.


Last weekend, I wrote a little ASP.NET module that prevents hot linking.  It can be used on IIS5 (Windows 2000/XP), IIS6 (Windows Server 2003), and IIS7 (Windows Vista / Longhorn Server).

It also was a great excuse to talk about IIS and ASP.NET integration history :)


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