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by geocar
1338 days ago
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> It's a privacy issue. You can use it to fingerprint a user, local IP will give you quite many bits of entropy. <https://coveryourtracks.eff.org/> I don't buy it: You have to block IPv6 as well, and that's becoming harder to do. If the user is trying to protect their "privacy" from their ISP by using a VPN (for example), and are attempting to prevent the application-level leak of providing a list of all the local interfaces, they really need to configure their system to restrict e.g. their web browsers and other sensitive tools to those specific interfaces, e.g. https://askubuntu.com/questions/1313755/forcing-chrome-brows... This should be easier, like maybe a button in the VPN software. |
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