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firefox: lock document fonts disallowed, disable font fingerprinting protection for custom fonts

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This commit is contained in:
Aminda Suomalainen 2025-03-08 08:41:01 +02:00
parent 5b15bcfc3f
commit 9a26987f7b
Signed by: Mikaela
GPG Key ID: 99392F62BAE30723
2 changed files with 7 additions and 6 deletions
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5
conf/firefox-forbidden-policies.js
View File

@ -76,10 +76,11 @@ lockPref("privacy.fingerprintingProtection", true);
// Somehow I cannot clearPref this, so...
//clearPref("privacy.fingerprintingProtection");
//lockPref("privacy.fingerprintingProtection", false);
pref(
lockPref(
"privacy.fingerprintingProtection.overrides",
"+AllTargets,-KeyboardEvents,-CSSPrefersColorScheme,-CSSPrefersReducedMotion,-JSDateTimeUTC",
"+AllTargets,-KeyboardEvents,-CSSPrefersColorScheme,-CSSPrefersReducedMotion,-JSDateTimeUTC,-FontVisibilityBaseSystem",
);
lockPref("browser.display.use_document_fonts", 0);
//clearPref("privacy.fingerprintingProtection.overrides");
lockPref("privacy.fingerprintingProtection.pbmode", true);
//clearPref("privacy.fingerprintingProtection.pbmode");

8
etc/firefox/policies/policies.json
View File

@ -458,8 +458,8 @@
"Value": false
},
"browser.display.use_document_fonts": {
"Comment": "Are webpages allowed to set their own fonts by default? 0 forbids them. See also browser.display.use_document_fonts.icon_font_allowlist for what webpages are allowed to set.",
"Status": "user",
"Comment": "Are webpages allowed to set their own fonts by default? 0 forbids them. See also browser.display.use_document_fonts.icon_font_allowlist for what webpages are allowed to set. If changing this, see also fingerprinting overrides",
"Status": "locked",
"Type": "number",
"Value": 0
},
@ -831,10 +831,10 @@
"Value": true
},
"privacy.fingerprintingProtection.overrides": {
"Comment": "Preference not allowed for stability reasons. :( https://searchfox.org/mozilla-central/source/toolkit/components/resistfingerprinting/RFPTargets.inc",
"Comment": "Preference not allowed for stability reasons. :( https://searchfox.org/mozilla-central/source/toolkit/components/resistfingerprinting/RFPTargets.inc - If you adjust this, see also use_document_fonts to not increase fingerprinting surface excessively",
"Status": "locked",
"Type": "string",
"Value": "+AllTargets,-KeyboardEvents,-CSSPrefersColorScheme,-CSSPrefersReducedMotion,-JSDateTimeUTC"
"Value": "+AllTargets,-KeyboardEvents,-CSSPrefersColorScheme,-CSSPrefersReducedMotion,-JSDateTimeUTC,-FontVisibilityBaseSystem"
},
"privacy.fingerprintingProtection.pbmode": {
"Comment": "Preference not allowed for stability reasons. :(",