OS Resolution spoofing

[JJoe]

(Jul. 13, 2015 03:06 PM)PiXEL Wrote:  I searched, but I only found a topic, where was written that it is possible to do this, by changing the values of cookies. In the forum they used LIVE http headers addon for firefox, but there was nothing more explained.

Sure, if the webpage put this info in a header.

It was the case that not all browsers allowed modification of the following. For those that did Paul Rupe used javascript to

Code:

// Set various none-of-your-damn-business screen metrics to random numbers.
if (!isInternetExplorerPROX)
{
  screen.availHeight = 10000.0 * Math.random();
  screen.availWidth = 10000.0 * Math.random();
  screen.outerHeight = 10000.0 * Math.random();
  screen.outerWidth = 10000.0 * Math.random();
  screen.colorDepth = 10000.0 * Math.random();
  screen.height = 10000.0 * Math.random();
  screen.width = 10000.0 * Math.random();
  screen.pixelDepth = 10000.0 * Math.random();

  window.screen.availHeight = 10000.0 * Math.random();
  window.screen.availWidth = 10000.0 * Math.random();
  window.screen.outerHeight = 10000.0 * Math.random();
  window.screen.outerWidth = 10000.0 * Math.random();
  window.screen.colorDepth = 10000.0 * Math.random();
  window.screen.height = 10000.0 * Math.random();
  window.screen.width = 10000.0 * Math.random();
  window.screen.pixelDepth = 10000.0 * Math.random();
}

Paul Rupe Wrote:I also set all screen measurement properties to random numbers for the fun of it. Not too useful, but I'd like to see the look on some webmaster's face when visitors with a 3440.3515732291635 by 2215.6437879573964 screen and 27124.546037171544 colors per pixel start showing up in his logs. Internet Explorer doesn't seem to like this--since these properties are supposed to be read-only, I guess that's understandable--so I've disabled that code for IE.

Copied from start.js , http://www.prxbx.com/other/paulrupe/js.html .

My knowledge of this is dated. I don't think I ever used it.