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 @skiant huh did they start like. 6h ago or so? Because if so cool my monitoring works
@ruud @skiant i shouldn’t be excited about a ddos attempt but it sure is fun to write some monitoring stuff and IMMEDIATELY an interesting event happens that clearly shows up