On Mon, Apr 30, 2018 at 04:26:00AM +0000, Nathaniel Suchy (Lunorian) wrote: > When using Tor Browser for macOS, the EFF's tool panoptclick shows that > a large amount of fonts are available, while Tor Browser for Linux > claims only Wingdings is available. This could allow a website know > whether a Tor User is using Linux or not helping to create a unique > fingerprint. Thoughts?
Yes, sadly this is the current state. The three supported platforms for Tor Browser are distinguishable by looking at a user's available fonts. This is current a compromise between fingerprintability and usability. Please see the Tor Browser Design document for additional details [0]. However, note this isn't the only method for identifying the underlying platform. [0] Section 4.6, Subsection "Specific Fingerprinting Defenses in the Tor Browser", Item 6. Fonts https://www.torproject.org/projects/torbrowser/design/#fingerprinting-linkability -- tor-talk mailing list - tor-talk@lists.torproject.org To unsubscribe or change other settings go to https://lists.torproject.org/cgi-bin/mailman/listinfo/tor-talk