To all Mastodon-admins: seems like there's an attack on all instances by troll accounts. Servers get slow because of it.
They use thousands of subdomains of activitypub-troll.cf. My 'pull' queues skyrocketed.

I now blocked the domain activitypub-troll.cf and all is back to normal. Please check if you're hit too.
#mastoadmin #fediblock

@ruud I'm running Misskey so I was targeted. The domains I've seen in the attack are:

*.activitypub-troll.cf *.misskey-forkbomb.cf *.repl.co

@dwarf @ruud oh, repl.co belongs to https://replit.com/. They're a legitimate platform, if you report this to them they'll likely be thankful and ban the spammers on their site too
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@daebb @ruud I would've, but they require signing up for their service to report, which I will not do.
@dwarf @ruud I think that’s just for reporting an individual malicious repl/user, but you don’t have that info anyway. They probably just don’t have a procedure for something like this (yet). I’ll ping them on twitter & attach a link to this thread.
Though an email to them with details would probably be helpful.