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submitted 8 months ago by ooli@lemmy.world to c/technology@lemmy.world

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[–] Turun@feddit.de 2 points 8 months ago (1 children)

Are updates authenticated? Or can I send an update to lemmy.world from 123.123.123.123 (which is not the IP address of feddit.de) that you have edited your comment to say "I don't like pizza"?

If updates are not authenticated this really could be a big problem.

[–] SorteKanin@feddit.dk 3 points 8 months ago* (last edited 8 months ago)

You cannot do that, no. Edits are authenticated in the sense that the request must come from the instance of the user.

Your admin could in principle send such a request for you. But then you're talking about a malicious admin and then all bets are off. Obviously admins are in full control of everything on their own instance, including being able to edit their own users stuff. Not that any reasonable admin would do that.