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Queer.af mastodon domain has been seized by the Taliban
(mastodon.world)
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this post was submitted on 12 Feb 2024
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Unfortunately, I think due to the way ActivityPub works, the domain name is inexorably tied to the instance. Trying to migrate to a new domain name would break a lot of federation to my understanding.
It looks like someone posted an attempt at a workaround here (latest reply): https://github.com/mastodon/mastodon/issues/5774
But it does require the
self-destructbutton because the old domain name has to be erased from other servers.Yep, the other workaround that's elsewhere in this thread is to set up an entry with a different authoritative DNS in the hosts file, allowing a single machine to resolve the old domain manually.
This could be part of a greater effort, basically asking other instances to help the users evacuate the instance and transfer their accounts, before running
tootctl self-destructDoes federation involve some sort of key exchange? If not, would that mean that if one loses control of a domain somebody could spin up a new Lemmy instance to spoof the old one and potentially harvest data?
Not in ActivityPub no.
The main privacy/security issue is mostly mitigated by the fact that there's a sync behavior for accounts and follows and distribution of content where the host can push revocation messages, triggering other servers to delete follows and wipe cached account data originating from that hosting server, which means that somebody who takes over a domain after a wipe can't imitate the exact same accounts. But old links can still be redirected because there's no way to verify what they were supposed to point to, so some degree of impersonation remains possible unless other servers agree to preemptively defederate...