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JShelter di Libor Polčák

JShelter controls the APIs provided by the browser. The goal is to improve the privacy and security of the user running the extension.

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Screenshot
You can disable Geolocation or JSR can fake your location according to your preference.Test pagePopupDetail view on APIs used by the visited pageOption page, show levelYou can see a report on fingerprinting activities by the page
Informazioni sull’estensione
What is JShelter?

JShelter is a browser extension to give back control over what your browser is doing. A JavaScript-enabled web page can access much of the browser's functionality, with little control over this process available to the user: malicious websites can uniquely identify you through fingerprinting and use other tactics for tracking your activity. JShelter aims to improve the privacy and security of your web browsing.


How does it work?

Like a firewall that controls network connections, JShelter controls the APIs provided by the browser, restricting the data that they gather and send out to websites. JShelter adds a safety layer that allows the user to choose if a certain action should be forbidden on a site, or if it should be allowed with restrictions, such as reducing the precision of geolocation to the city area. This layer can also aid as a countermeasure against attacks targeting the browser, operating system or hardware.

Please see the FAQ (https://jshelter.org/faq/) and our blog (https://jshelter.org/blog/) for more information about the extension.

What is the threat model?

See https://jshelter.org/threatmodel/

Do you have a paper that explains the extension?

Yes, see https://arxiv.org/abs/2204.01392
Commenti dello sviluppatore
Report a bug: https://pagure.io/JShelter/webextension/issues, https://github.com/polcak/jsrestrictor/issues
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  • Visualizzare notifiche
  • Accedere alle schede
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Link componente aggiuntivo
Versione
0.18.1
Dimensione
441,59 kB
Ultimo aggiornamento
21 ore fa (28 giu 2024)
Categorie correlate
Licenza
GNU General Public License v3.0
Cronologia versioni
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Note di versione per la versione 0.18.1
Fix the scope where updateCount used by FPD is created (Pagure issue 141. Although the function was not visible to page scripts, page script could have define their own function with several consequences as JShelter would call the page script function:

FPD would not learn about the calls and consequently would not detect fingeprinting attempts by the page,
pop up would not show calls to the wrapped APIs,
the page would be able to detect that JShelter is being installed,
if the page would not expect that someone is calling its function it can have any undesired consequences.

The bug was present in JShelter since the introduction of FPD in 0.6 and all versions up to 0.18 are affected.
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