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sivabur2015-06-14 00:17:08
PHP
sivabur, 2015-06-14 00:17:08

How to determine the uniqueness of a user (if he uses a socks proxy, anonymous mode, flash java is not running)?

Information that can be pulled out from a java script (it will be replaced by here which is most often used or changed so that the option also disappears)

cookieEnabled: true
productSub: 20030107
vendor: Google Inc.
maxTouchPoints: 0
hardwareConcurrency: 4
appCodeName: Mozilla
appName: Netscape
appVersion: 5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/43.0.2357.124 Safari/537.36
platform: Win32
product: Gecko
userAgent: Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/43.0.2357.124 Safari/537.36
language: uk
onLine: true
doNotTrack: null

Screen:
height: 1050
width: 1680
colorDepth: 24
pixelDepth: 24
availLeft: 0
availTop: 0
availHeight: 1010
availWidth: 1680

Plugins:
Widevine Content Decryption Module 
Chrome PDF Viewer 
Shockwave Flash 
Chrome Remote Desktop Viewer 
Native Client 
Chrome PDF Viewer

Timezone:
3
Resolution definitions via CSS media-query are also dropped.
My assumptions:
Local Shared Objects.
identify by x.509
silverlight certificates.
Mozilla about:config and look at the urlclassifier.keyupdatetime variable. https://sb-ssl.google.com/safebrowsing/newkey with a unique number.
Determine Local Storage
tcp by OS packet size.
Browser cache.
Check with Java script whether the color of a link has been visited.
Check speed dial tempo time between keystrokes.

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3 answer(s)
A
Alexey Lebedev, 2015-06-14
@swanrnd

samy.pl/evercookies

D
Dmitry Belyaev, 2016-08-12
@bingo347

Google browser-fingerpoint
The canvas method works very well, even with 64-bit fingerprint hashing for six months, not a single repetition, and if the user does not change the video, the result will always be the same

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