Security :: Best Way To Identify All Users Currently Logged In?

Feb 10, 2011

I know how to identify the current user during a specific browsing session and can thus control the data, etc, made visible to that individual user. I also know how to find out how many users logged in within the recent past, using:

Membership.GetNumberOfUsersOnline()
.... which I believe calculates the number of users who have logged in within the past 15 minutes. However, I would like to know if there is any way to identify all the users who are logged in at a point in time. Is this possible?

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