About federation with Threads: how is it possible that lemmy.world is federated? (lemmy.world)

submitted 8 months ago by informapirata@lemmy.world to c/fediverse@lemmy.world

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Hi everyone, I’m one of the administrators of the Lemmy feddit.it instance - my nick is @poliverso@poliverso@feddit.it

Together with our fellow administrators, based on some impact assessments, we have decided not to operate any preventative block against Threads, but I am not aware that we are still federated. I noticed that your instance is federated to Threads instead, but I don’t understand how this was possible. The strange thing is that, from your instance, it is still not possible to view those dozen Threads accounts that are currently “federable”. So I wanted to ask you: is there a way to force federation?

Thanks in advance for your feedback, sorry for the inconvenience and best wishes for a happy holiday!

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[-] aodhsishaj@lemmy.world 4 points 8 months ago

I thought the point of federation is that you cannot force an instance to federate with any other activity pub app or service? I'm very happy to be wrong.

[-] informapirata@lemmy.world 5 points 8 months ago* (last edited 8 months ago)

In reality, any user can force federation by simply searching for the handle of a user or content of the fedeverse from the search box of their instance. This method always works unless the instance has been previously defederated.

The problem is that from feddit.it I can't "find" the contents of Threads (and not even from lemmy.world), even when they are those of the ten Instagram executives visible from mastodon.social and from any other instance that has not defederated Threads

[-] ada@lemmy.blahaj.zone 12 points 8 months ago

In reality, any user can force federation by simply searching for the handle of a user or content of the fedeverse from the search box of their instance. This method always works unless the instance has been previously federated.

That's not quite true. That won't bypass explicit defederation at the instance level, and authorised fetch can stop it from working at the individual block level too.