this post was submitted on 13 Jul 2023
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I guess it's achievable with hosting you're using (with nginx ip block list for example if you're using it)
What you're looking for is functionality like fail2ban, but probably with a filter set to the HTTP endpoint for creating communities. Not sure if it will work, I haven't really looked into the Lemmy code/architecture yet.
If theyβre using Cloudflare it can do this too. Even the free tier, you can have one monstrously long WAF rule to ban a bunch of IPs