0
votes
1answer
28 views

What percent of all active IP + User Agent combinations are not unique?

It's fairly common practice to define a unique user by a 1-to-1 hash of IP + User Agent. But not all unique users have a unique IP + User Agent combination. Thus: collisions - events misattributed to ...
1
vote
2answers
59 views

How can we find real source of suspected user entries?

I have a website where I keep logging the user entries. I found some anonymous entries in my table and I suspect they are using some kind of proxy switchers. How can I find the real source of these ...
4
votes
2answers
515 views

Is collecting IP address and user agents on form submission illegal in the U.S.?

I'm creating a website where I collect the name, email, state, and an optional photo of a user. Before the user submits the form, they have to agree to the terms of the site. For testing and ...