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qaz@lemmy.world to Programmer Humor@programming.devEnglish · 2 days ago

We don't talk about IPv5

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We don't talk about IPv5

lemmy.world

qaz@lemmy.world to Programmer Humor@programming.devEnglish · 2 days ago
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  • kieron115@startrek.website
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    2 days ago

    it’s not a browser extension, its a SLAAC thing https://www.internetsociety.org/resources/deploy360/2014/privacy-extensions-for-ipv6-slaac.

    TL;DR is that SLAAC used to use part of your device MAC to form it’s IP, which would be trackable/fingerprintable. Now devices just pick the last 48-bits at complete random on the assumption that no other device is going to have that specific address out of the 4 quintilion available addresses.

    edit the RFC https://datatracker.ietf.org/doc/html/rfc4941

    • qaz@lemmy.worldOP
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      2 days ago

      Thanks, might have to try that sometime.

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