Security/Anonymous Browsing: Difference between revisions

Security/Anonymous Browsing (view source)

619 bytes added , 28 June 2010

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 ==Fonts and Font Lists==
-Locale issues, standard font lists, etc.
+Installed font presence provides a large amount of identifying information. Currently, the major culprit of leaking this information is plugins, as they provide an unsorted complete enumeration of all system fonts.
+There are ways to [http://flippingtypical.com/ query fonts for existence] in JavaScript and CSS, but this issue is not really worth dealing with until the plugin problem is solved, or it is decided that non-compliant plugins should be disabled.
+Long term, the best option would be to standardize on a small, common set of fonts for the mode that are typically available on all platforms, or simply set browser.display.use_document_fonts to 0.
 ==Clock Delta+Precision==