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I’m looking for a solution to find out about the MAC number of a user using asp.net website. I know you can get an IP address (don’t know why but it can’t be complicated) but can i find out the MAC address having the IP?
Edit: I mean programmatically (not manually) in .NET
If your site is trusted, you can do this in IE:
http://www.devarticles.com/c/a/JavaScript/Advanced-JavaScript-with-Internet-Explorer-Retrieving-Networking-Configuration-Information/1/
I wouldn’t expect it to work for any typical visitors, just users who’s systems you already control, like on your local network. There may be a second way in IE if you can find a common activex that generates a guid using CoCreateGuid. It returns the mac address in part of the guid. I wouldn’t bet on finding one that’s commonly installed though.