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 Well, I just ended up using a CSV import method that I found for Mastodon to block all domains listed here the troll accounts are using on my end just to be on the safe side.

https://medium.com/@theghostoftomjoad/how-to-block-server-domains-in-mastodon-899b24f8fb6e

How to Block Server Domains in Mastodon - The Ghost of Tom Joad - Medium

Problem: Many newer and established instances in Mastodon social network do not have extensive block lists. Also, there are new instances cropping up all the time. Admins are busy as it is, and…

Medium