CanvasBlocker 제작자: kkapsner
Android™용 Firefox에서 사용 가능Android™용 Firefox에서 사용 가능
Alters some JS APIs to prevent fingerprinting.
이 확장 기능을 사용하려면 Firefox가 필요함
확장 메타 데이터
스크린샷
정보
This add-on allows users to prevent websites from using some Javascript APIs to fingerprint them. Users can choose to block the APIs entirely on some or all websites (which may break some websites) or fake its fingerprinting-friendly readout API.
If you encounter any problems please check the FAQ first. Please report issues and feature requests at https://github.com/kkapsner/CanvasBlocker/issues
IMPORTANT: you should only have ONE addon/setting set that protects an API. Otherwise you could face massive performance issues. (E.g. EclipsedMoon for Palemoon has 'canvas.poison' which is known to cause issues: https://github.com/kkapsner/CanvasBlocker/issues/253#issuecomment-459499290)
But setting privacy.resistFingerprinting to true and/or using the new fingerprinting protection introduced with Firefox 67 is fine.
Protected "fingerprinting" APIs:
More information on fingerprinting can be found at:
The different block modes are:
If you encounter any problems please check the FAQ first. Please report issues and feature requests at https://github.com/kkapsner/CanvasBlocker/issues
IMPORTANT: you should only have ONE addon/setting set that protects an API. Otherwise you could face massive performance issues. (E.g. EclipsedMoon for Palemoon has 'canvas.poison' which is known to cause issues: https://github.com/kkapsner/CanvasBlocker/issues/253#issuecomment-459499290)
But setting privacy.resistFingerprinting to true and/or using the new fingerprinting protection introduced with Firefox 67 is fine.
Protected "fingerprinting" APIs:
- canvas 2d
- webGL
- audio
- history
- window (disabled by default)
- DOMRect
- navigator (disabled by default)
- screen
More information on fingerprinting can be found at:
- <canvas>: http://www.browserleaks.com/canvas
- audio:
- https://audiofingerprint.openwpm.com/ (very poorly written = slow)
- https://webtransparency.cs.princeton.edu/webcensus/#audio-fp
- DOMRect:
The different block modes are:
- fake: Canvas Blocker's default setting, and my favorite! All websites not on the white list or black list can use the protected APIs. But values obtained by the APIs are altered so that a consistent fingerprinting is not possible
- ask for permission: If a website is not listed on the white list or black list, the user will be asked if the website should be allowed to use the protected APIs each time they are called.
- block everything: Ignore all lists and block the protected APIs on all websites.
- allow only white list: Only websites in the white list are allowed to use the protected APIs.
- block only black list: Block the protected APIs only for websites on the black list.
- allow everything: Ignore all lists and allow the protected APIs on all websites.
평가
권한더 알아보기
다음 권한 필요:
- 개인 정보 설정 읽기 및 수정
- 브라우저 탭에 접근
- 모든 웹사이트에서 사용자의 데이터에 접근
추가 정보
- 부가 기능 링크
- 버전
- 1.10.1
- 크기
- 432.95 KB
- 마지막 업데이트
- 21일 전 (2024년 4월 10일)
- 관련 카테고리
- 라이선스
- Mozilla Public License 2.0
- 개인정보처리방침
- 이 부가 기능에 대한 개인정보처리방침 읽기
- 버전 목록
모음집에 추가
버전 1.10.1의 출시 정보
new features:
- added tag search
- added :changed tag
- mark default value in drop downs settings
fixes:
- lag and functionality loss on google sites
- fix function tampering detection via prototype
- isPointInPath and isPointInStroke return undefined with persistent rng
known issues:
- if a data URL is blocked the page action button does not appear
- canvas and navigator APIs in workers are not protected
- added tag search
- added :changed tag
- mark default value in drop downs settings
fixes:
- lag and functionality loss on google sites
- fix function tampering detection via prototype
- isPointInPath and isPointInStroke return undefined with persistent rng
known issues:
- if a data URL is blocked the page action button does not appear
- canvas and navigator APIs in workers are not protected
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