Tracking Users By IP Address
michael at stroeder.com
Fri Oct 8 09:38:58 CEST 2004
Grant Edwards wrote:
> On 2004-10-07, Fuzzyman <fuzzyman at gmail.com> wrote:
>>Assuming that each visitor will have a unique IP address is
>>probably not 100% accurate but will have a reasonably low
>>margin of error!!
> Not. A significant portion (I'd guess a vast majority) of the
> machines out there have either dynamically allocated IP
> addresses or are behind a proxy or NAT firewall.
Even worse: HTTP proxy networks (e.g. AOL) will make hits in one session
from the very same user appear with *different* IP addresses.
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