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Andres Jalinton

@nemobis
Nice!
The interactions are not heavy at all, but those can be unlimited in amount, due to the lack of any rate-limit.
I imagine a 1 person DDoS is possible from a big instance to a smaller one.

3 comments
Nemo_bis 🌈

@Andres Yes, Aral famously is one such big user able to melt other people's instances. ;) ar.al/2022/11/09/is-the-fedive

However I think the far worse problem is that by default Mastodon doesn't control at all whether ActivityPub requests are coming from a "real" ActivityPub server/user, so I believe it's still easy to produce a spam wave like github.com/mastodon/mastodon/i .

Andres Jalinton

@nemobis
Thanks for the link to Aral's article!
Yes I have been thinking about exactly that an how a potential millions-of-followers user back in Threads would kill any instance.

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