[pchelpers] Re: Website counter - methodology of a unique hit

Scott McNay wrote:
> The IP address is not suitable for identifying unique visitors.
> Multiple users on a home network would be visible from a single IP die
> to NAT translation. Also, people behind an HTTP proxy (standard for
> corporate networks) would also not be uniquely identifiable in this
> way.
> 
> Web pages use either cookies or encoded page links to identify a
> returning user.
> 
> The issue that you're asking about is something different, though.
> What AOL is/was doing is looking up the IP address to determine who
> owns it, and if it's not AOL or an authorized affiliate, then act
> differently.
> 
Hmm, I see there are all sorts of twist and turns to this. However in 
the case you mentioned with IP, it would be useful in identifying the 
computer or group pf computers access came from (especially in the case 
of nefarious behavior by network users).

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