Mapping Sockets to a Process In .NET Code

One feature added to Fiddler a few years ago is the ability to map a given HTTP request back to the local process that initiated it. It turns out that this requires a bit of interesting code, because the .NET Framework itself doesn’t expose any built-in access to the relevant IPHelper APIs that provide this information. I found a number of samples on the web, but for Fiddler, performance is a