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Re: Browser fingerprinting? [message #182786 is a reply to message #182780]

Fri, 13 September 2013 00:31

Jerry Stuckle
Messages: 2598
Registered: September 2010

Karma:

Senior Member

On 9/12/2013 5:56 PM, Gilles wrote:
> Hello
>
> I googled the archives of this ng, but didn't find much.
>
> I'd like to find some good PHP code that does what Panopticlick does,
> namely uniquely identify a user's browser even when they connect as
> anonymously as they can, ie. either in incognito mode or by running a
> browser in a virtual host:
>
> www.lifehacker.com/5458513/panopticlick-shows-how-easy-your-browser-is-to-t rack
>
> The goal is to keep trolls away from a site. As there aren't that many
> browser available, they should tire quickly, profited they even think
> of installing another browser.
>
> Is there some code PHP code for that?
>
> Thank you.
>

You can easily detect the browser the user is using, and you can detect
the IP address.

However, browsers can easily be forged (as others have indicated), and
since there are only a few browsers available, a lot of people use them.

You can detect IP addresses, but there is no way to determine the REAL
IP address if the user is using an anonymous proxy.

The bottom line is - you really can't protect against trolls; they have
too many ways around things.

The article you reference is good marketing material - I would suspect
it works on both browser and IP address. But in real life it has more
holes than swiss cheese.

--
==================
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Jerry Stuckle
JDS Computer Training Corp.
jstucklex(at)attglobal(dot)net
==================

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[Message index]

		Browser fingerprinting? By: Gilles Ganault on Thu, 12 September 2013 21:56
		Re: Browser fingerprinting? By: Denis McMahon on Thu, 12 September 2013 22:26
		Re: Browser fingerprinting? By: Gilles Ganault on Thu, 12 September 2013 22:38
		Re: Browser fingerprinting? By: Gilles Ganault on Thu, 12 September 2013 22:43
		Re: Browser fingerprinting? By: Denis McMahon on Thu, 12 September 2013 23:29
		Re: Browser fingerprinting? By: Gilles Ganault on Fri, 13 September 2013 07:23
		Re: Browser fingerprinting? By: Jerry Stuckle on Fri, 13 September 2013 13:32
		Re: Browser fingerprinting? By: bill on Fri, 13 September 2013 23:13
		Re: Browser fingerprinting? By: Christoph Michael Bec on Fri, 13 September 2013 23:30
		Re: Browser fingerprinting? By: jimp on Thu, 12 September 2013 22:19
		Re: Browser fingerprinting? By: Jerry Stuckle on Fri, 13 September 2013 00:31
		Re: Browser fingerprinting? By: J.O. Aho on Fri, 13 September 2013 04:59
		Re: Browser fingerprinting? By: Fiver on Fri, 13 September 2013 03:04
		Re: Browser fingerprinting? By: Michael Vilain on Fri, 13 September 2013 05:49
		Re: Browser fingerprinting? By: Jerry Stuckle on Fri, 13 September 2013 13:35
		Re: Browser fingerprinting? By: Martin Leese on Fri, 13 September 2013 14:42
		Re: Browser fingerprinting? By: Thomas 'PointedEars' on Sun, 15 September 2013 18:57
		Re: Browser fingerprinting? By: Gilles Ganault on Fri, 13 September 2013 07:22
		Re: Browser fingerprinting? By: bill on Fri, 13 September 2013 23:30
		Re: Browser fingerprinting? By: Gilles Ganault on Sat, 14 September 2013 22:11
		Re: Browser fingerprinting? By: bill on Sun, 15 September 2013 20:27
		Re: Browser fingerprinting? By: Peter H. Coffin on Mon, 16 September 2013 02:07
		Re: Browser fingerprinting? By: Gregor Kofler on Mon, 16 September 2013 09:36
		Re: Browser fingerprinting? By: bill on Wed, 18 September 2013 00:02
		Re: Browser fingerprinting? By: Peter H. Coffin on Wed, 18 September 2013 03:47
		Re: Browser fingerprinting? By: Norman Peelman on Mon, 16 September 2013 10:13
		Re: Browser fingerprinting? By: Denis McMahon on Mon, 16 September 2013 11:03
		Re: Browser fingerprinting? By: bill on Wed, 18 September 2013 00:11
		Re: Browser fingerprinting? By: bill on Wed, 18 September 2013 00:06
		Re: Browser fingerprinting? By: The Natural Philosoph on Wed, 18 September 2013 00:33
		Re: Browser fingerprinting? By: Marc van Lieshout on Tue, 17 September 2013 20:53
		Re: Browser fingerprinting? By: bill on Wed, 18 September 2013 00:20
		Re: Browser fingerprinting? By: Denis McMahon on Wed, 18 September 2013 05:06
		Re: Browser fingerprinting? By: Scott Johnson on Wed, 18 September 2013 13:09
		Re: Browser fingerprinting? By: J.O. Aho on Wed, 18 September 2013 16:24

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