In theory, you could track unique visits on a per login per computer basis using an ActiveX control.
Just to make it a bit clearer that this still isn't a reliable method: it confuses visitors (who are supposedly human) with user accounts on specific machines. For one thing, if someone uses two machines (s)he will be counted twice. Also, if more people use the same account on the same machine (quite common, especially on windows or on public terminals) they'll be counted as a single visitor. In short, you won't gain much over a login system or even cookies.
Additionally it should be impossible for any random user of a public machine (or even shared "home" machine, if the administrator has a decent sense of paranoia) to install an active-x control.
In reply to Re^2: Active X & Perl
by Joost
in thread Active X & Perl
by Anonymous Monk
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