Yes, instance bans propagate out to the federation. But if user@a.com gets banned, they can just go sign up as user@b.com.
this post was submitted on 17 Jun 2023
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Lemmy
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Thank you, it appears to be this way.
When you say "my own instance" do you mean an instance you set up yourself and are the administrator? If so how and where did you set it up?
Yes. I have a VPS and I am using their Docker files: https://join-lemmy.org/docs/en/administration/install_docker.html
Same question.
My theory is:
When the instance admins ban one of the users off of their instance, the ban event gets transmitted to everyone that’s federated, so that other instances can stop seeing posts from that user too.
I can’t test it but it seems that I cannot unban them from my instance. Meaning that a ban is at federation level.
They're banned on their instance, so their instance wouldn't even attempt to federate their content.
My question is why would another instance need to know which local user accounts of an instance have been "banned" by the instance they're registered at?
No clue. Maybe it just needs to work that way in the current implementation
That would imply that any instance admin, even those that created theirs for themself only, can just ban users on other instance. That would be a major attack vector and it kind of defeats the purpose of the autonomy each instance is supposed to have...
I assume it only gets shared when the admin of the instance bans a user that's registered on the other instance, but again, that's only a guess.
Go to the modlog of your instance and you can see they were banned of the mod of the original instance.
I assume it only gets shared when the admin of the instance bans a user that’s registered on the other instance, but again, that’s only a guess.
And that would mean I can set up my own instance, ban e.g. you, and you'd get banned on other instances as well. That doesn't sound like a well thought out design choice.
You can only globally ban people who have accounts on your instance. Cause that's how banning works, I don't really see a problem here.
You said "when the admin of the instance bans a user that’s registered on the other instance" the other instance. Make up your mind.
You also said that ban gets distributed. It shouldn't and it probably doesn't because if it would as I said I could ban you on my instance and distribute that ban to other instances and just lock you out of the Fediverse.
“when the admin of the instance bans a user that’s registered on the other instance” - I meant an admin banning a user on the instance that they administer. "The other instance" here referred to an instance that isn't the one you host, but the one where the admin is.
So you're saying the instance mentioned in "admin of the instance" and the instance mentioned in "the other instance" are meant to be the same instance, although it specifically says "other instance"?
Maybe you could reword all of that because what you've written until now is just extremely convoluted.
yeah, sorry for that, edited
Are those instances you federate with?
Yes, they all only from instances i federate with.
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