this post was submitted on 13 Oct 2024
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Federation means any content posted to any federated instance gets cached on your side and you become a hoster of it.
This includes if someone posts or creates an instance for child porn and starts spamming it. You're possibly liable. and then have to deal with reviewing and cleaning it up to cover your ass.
I'd love to support the fediverse but this sounds like a huge hassle and a problem. Maybe it's just me though, I'm glad that there are others that have decided to host instances.
There are some ways to mitigate the majority of that kind of stuff: You can disable image hosting, defederate from instances with poor moderation or poor attitudes, filter out certain keywords, use cleanup tools like from dbzero. Not sure if the caching still occurs if you disable pictrs hosting tho
Is there a way to choose which instances you want to include, instead of which ones you want to exclude? So the default is that no instances except the ones you explicitly allow, federate with you? Or is this against the spirit of the fediverse?
By default a fresh new instance will federate with no other instances period.
Instances only "learn" about the existence of an outside instance or community after a user enters a community+instance address in the search bar. After that, the home instance will sync with the remote instance and begin getting all new push data from that point on.
I don't know if Lemmy allows "whitelisting" of synced instances, such that it will auto synchronize with a provided list and ignore all others even if users search for them. I feel like it does, but I am not familiar enough with the backend to say yay or nay.
Yes that is afaik possible via https://fediseer.com/
Yes, it is possible.