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this post was submitted on 13 Jul 2023
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Lemmy doesn't have an option for that but we're looking into it
I guess it's achievable with hosting you're using (with nginx ip block list for example if you're using it)
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
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.
Spammers with a little bit of sanity in them will use VPN providers. The consequence is that IP banning effectively results in blocking VPN servers. For people like me, using VPN connections for genuine reasons (like a provider/government that cannot be trusted), this is problematic
I used to use stuff that had IP banning and it would just mean when I was on mobile data I would just randomly not be able to use it because some dick was wanding around getting IP banned using mobile data.
People warrant IP banning userly are sad enough to find way of circumventing it and it'll probably just makes issues for other users instead.