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<blockquote style="position: relative; padding-left: 55px;"><section><a href="https://raphus.social/users/rrgeorge/statuses/110464937195509207">Robert George 𓇳𓃀𓁹𓏏𓇥𓆓𓀀 (rrgeorge@raphus.social)'s status on Thursday, 01-Jun-2023 04:31:53 JST</a><a href="https://raphus.social/@rrgeorge" title="rrgeorge@raphus.social"><img src="https://gnusocial.jp/avatar/80995-48-20230308130555.webp" width="48" height="48" alt="Robert George 𓇳𓃀𓁹𓏏𓇥𓆓𓀀" style="position: absolute; left: 0; top: 0;">Robert George 𓇳𓃀𓁹𓏏𓇥𓆓𓀀</a><div><a href="https://atomicpoet.org/objects/259cfadc-90b5-442b-bb3f-20a4f1a67fc7" rel="in-reply-to">in reply to</a><ul><li><li><a href="https://gnusocial.jp/user/116561" title="kainoa@calckey.social">Kainoa</a></li></ul></div></section><article><p><a href="https://atomicpoet.org/users/atomicpoet">@atomicpoet</a> <a href="https://calckey.social/@kainoa">@kainoa</a> Mastodon instances were hit with an attack a few months ago that behaved like that. It was caused by a series of domains with infinite subdomains posting mentions to others causing a recursion attack. See: <a href="https://github.com/mastodon/mastodon/issues/21977" rel="nofollow noreferrer">https://github.com/mastodon/mastodon/issues/21977</a></p></article><footer><a rel="bookmark" href="https://gnusocial.jp/conversation/1607766#notice-3168013">In conversation</a><time datetime="2023-06-01T04:31:53+09:00" title="Thursday, 01-Jun-2023 04:31:53 JST">Thursday, 01-Jun-2023 04:31:53 JST</time> <span>from <span><a href="https://raphus.social/@rrgeorge/110464937195509207" rel="external" title="Sent from raphus.social via ActivityPub">raphus.social</a></span></span><a href="https://raphus.social/@rrgeorge/110464937195509207">permalink</a><h4>Attachments</h4><ol><li><article><header><div>Domain not in remote thumbnail source whitelist: opengraph.githubassets.com</div><h5><a href="https://github.com/mastodon/mastodon/issues/21977">Any idea to stop activitypub-troll.cf or likewise attacks? · Issue #21977 · mastodon/mastodon</a></h5><div></div></header><div>Pitch From about one hour ago, my instance's federated timeline was spammed with contents from activitypub-troll.cf, and the sidekiq queue is full of pulling requests. I have to purge all the t...</div><footer></footer></article></li></ol></footer></blockquote>

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Robert George 𓇳𓃀𓁹𓏏𓇥𓆓𓀀 (rrgeorge@raphus.social)'s status on Thursday, 01-Jun-2023 04:31:53 JSTRobert George 𓇳𓃀𓁹𓏏𓇥𓆓𓀀
in reply to
- Chris Trottier
- Kainoa
@atomicpoet @kainoa Mastodon instances were hit with an attack a few months ago that behaved like that. It was caused by a series of domains with infinite subdomains posting mentions to others causing a recursion attack. See: https://github.com/mastodon/mastodon/issues/21977
In conversationThursday, 01-Jun-2023 04:31:53 JST from raphus.socialpermalink
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1. Domain not in remote thumbnail source whitelist: opengraph.githubassets.com
  Any idea to stop activitypub-troll.cf or likewise attacks? · Issue #21977 · mastodon/mastodon
  Pitch From about one hour ago, my instance's federated timeline was spammed with contents from activitypub-troll.cf, and the sidekiq queue is full of pulling requests. I have to purge all the t...

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