Also look at the ASP method of Response.IsClientConnected()

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/iissdk/html/a07ec445-9240-4f23-8fe9-1f9548d3f8b0.asp


>When the session times out, log off the user. You never know if a person is really online or not...just that they've had activity in the last x number of minutes.
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>>hi all,
>>i was wondering how a site, like this, can tell if a user is online. i am trying to do this on a smaller scale, but i never get proper results, say if a user clowes the browser rather than logs off. i am using asp and iis with vfp dll's and database.
>>Slán
>>~M