this post was submitted on 30 Jan 2024
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Privacy
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Can you be more specific? I might be able to hunt down answers.
Recently, federation vulnerabilities got exploited by an ex-Truth Social employee who apparently believes consent is only when someone shouts "no" at him, so pretty much anything is possible (without even going through the effort of spinning some kind of proxy server, if I'm reading this correctly).
Well, as in let's say instance A is federated to B, B federated to C, A blacklisted C.
So, clearly, A isn't getting data about C. It will drop it on ingress (I expect).
But, will C have access to the exact same data about A, through B, that it would have access to from A if not blocked by A?
"Indirect federation" (what I ended up eventually trying to find info on) appears non-existent.
That answered the question, I think, but it caused me to ask a few more, like this one:
What happens if a community is on Server A and Person C wants to check out how Person B is interacting on it. I think, in that case, that Person C can check out Person B's profile and see comments left on a Server A community, but they cannot navigate to the post itself because Server A would not send the content to their server.
It's relatively easy to switch servers, by clicking the little rainbow icon next to a particular comment to see the server where it would have been viewed in Person B's context, but servers on their own are not running around scraping missing data... At least, not as they are currently designed.
ETA: More background on the major defederation in question (mostly political, not technical)
Thanks for digging and reporting on this, but I'm gonna take a break with my phone (the main way I interact with Lemmy), since it is such a steaming pile of shit.
I'll try to find a way to use Lemmy on a proper OS without using the horrendous web interface (hopefully there are cool clients out there), and then I'll see. 👋