WebApp Sec mailing list archives

Re: Web site cookie overload?


From: Nick Seward <nseward () cscn com>
Date: Tue, 25 Jan 2005 09:36:17 +0000

Alexander Klimov wrote:

On Wed, 19 Jan 2005, Nick wrote:
Most sites will not use cookies as a way of counting the number of
visitors since they are unreliable just like you mentioned. Instead
they would track the number of unique ip addresses that access their
website. This would then be the total number of unique visitors to
their site which is much more reliable then a cookie count.

As was said many times before, unique IPs are by no means indicate
unique users: whole company could be behind a single proxy (1 IP for
many users) and due to dynamic IPs implemented by most ISPs a single
user could have multiple IPs (1 user many IP). If a website wants to
make any real counting of its users it can implement some kind of sign
on service (with UID and password) so that users be interested in
storing cookies in order to avoid relogins.

What if a website doesn't use logins to track visitors? Granted unique IP's are not always unique as you have mentioned. What would be the best way to track these visitors?

Nick


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