hmm...i dont know much about it, but checked some resources and php and asp do that easily...
other than that, this is what i found:
The two most common HTTP Headers are Referer and User-Agent. An HTTP header can be obtained from the Request.ServerVariables collection using the following syntax:
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.