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[QUESTION] Would you consider adding PoW CAPTCHAs? (lemmy.asudox.dev)

submitted 1 day ago* (last edited 1 day ago) by [email protected] to c/[email protected]

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It seems like some FOSS websites started using a Proof of Work CAPTCHA called Anubis because they've been getting hit by crawlers to gather data for LLMs. It seems like it helps.

It does not stop them, but it does make it more expensive and slower for the attacker. At the moment, I haven't seen any instance having this problem, but it most likely will be a problem someday and being praped for it is definitely not a bad thing.

Lemmy could benefit from this by maybe placing some invisible or auto PoW CAPTCHAs when doing some action like commenting, posting, etc.

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[–] [email protected] 3 points 22 hours ago (1 children)

Would you mind writing up a guide on how you did it with Lemmy?

[–] [email protected] 1 points 14 hours ago* (last edited 14 hours ago) (1 children)

Except for one addition route in the reverse-proxy (which might not be needed anymore in newer versions) it is really only changing the port that points to Lemmy-ui to point to Anubis instead.

[–] [email protected] 1 points 13 hours ago

Oh that is much easier than I anticipated.