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Re: Browser fingerprinting? [message #182837 is a reply to message #182829]

Wed, 18 September 2013 05:06

Denis McMahon
Messages: 634
Registered: September 2010

Karma:

Senior Member

On Tue, 17 Sep 2013 22:53:30 +0200, Marc van Lieshout wrote:

> On 15-09-13 00:11, Gilles wrote:
>> On Fri, 13 Sep 2013 19:30:18 -0400, Twayne <nobody(at)spamcop(dot)net> wrote:
>>> If it were easy to do, it'd also be widely publicized and available.

>> Thanks for the feedback.

> It IS easy to do and widely available.

No it's not.

> Look at the firefox add-on called SecretAgent. It's at:
> https://www.dephormation.org.uk/?page=81

> It has some 150 browser identification strings aboard (Including Amaya,
> Dillo, Bluefish), spoofs x-forwarded-for and via, spoof ETags and send
> random Accept: headers.

That's spoofing, not fingerprinting.

Spoofing is easy. Fingerprinting is not. Fingerprinting is attempting to
uniquely identify visitors to a site at the site server. Spoofing is
trying to tell the server you're someone different in some way to who you
really are. They're not the same thing, and while spoofing is easy,
fingerprinting accurately and reliably is incredibly difficult.

If I visit your website today using firefox on my unix pc over my adsl
connection, and tomorrow using chrome on my android tablet over it's 3g
connection, how are you going to fingerprint me? I don't need to use
anything as "technical" as spoofing the browser id. You lost the game as
soon as I started playing!

--
Denis McMahon, denismfmcmahon(at)gmail(dot)com

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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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