New top story on Hacker News: Ask HN: Captcha Alternatives?

Ask HN: Captcha Alternatives?
46 by ev1 | 41 comments on Hacker News.
TLDR: I help with a gaming community-related site that is being targetted by a script kiddie, they are registering hundreds of thousands of accounts on our forums to 'protest' a cheating (aimbot) ban. They then post large ASCII art spam, giant shock images (the first one started after we blocked new accounts from posting [img]), the usual. Currently we use a simple question/answer addon at registration time - it works against all untargeted bots and is just a little "what is 4 plus six" or "what is the abbreviation for this website" type of question. It's worked fine for years and we don't really get general untargeted spam. I am somewhat ethically disinclined to use reCAPTCHA, and there are some older members that can't reasonably solve hcaptcha easily. Same for using heavy fingerprinting or other privacy invading methods. It's also donation-run, so enterprise services that would block something like this (such as Distil) are both out of budget and out of ethics. Is there a way I can possibly solve this? Negotiation is not really an option on the table, the last time one of the other volunteers responded at all we got a ~150Gbps volumetric attack. I've tried some basic things, like requiring cookie and JS support via middleware; they moved from a Java HTTP-library script to some kind of Selenium equivalent afterward. They also use a massive amount of proxies, largely compromised machines being sold for abuse.

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Russian opposition activist hospitalised after attack outside his home

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Ethiopia seeks US clarification on reported aid cut over dam



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'Hero' St. Louis police officer dies after being shot in the head

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Zoom revenues skyrocket as profits double

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The 1980s 'super recession': When unemployment topped 3m - and kept rising

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Why this black drive-in cinema is a big hit

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Sunday, August 30, 2020

Norway bunker partygoers poisoned with carbon monoxide

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Expert compares Donald Trump's politics to fascism

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Wisconsin governor urges Trump to reconsider Kenosha trip in forceful letter

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A shark headed for swimmers. Watch what the Coast Guard did

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MTV VMAs 2020: See the complete list of winners

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Trump, Vicar of Fear and Violence


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Jon Rahm Sinks a Big Putt to Win Playoff at the BMW Championship


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Stories of 2020: Five Lives Caught in a Year of Upheaval and Pain


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Protests erupt at Portland police building, mayor's condo

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Founder of right-wing group confirms man killed in Portland was a 'supporter'

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Africa's week in pictures: 21-27 August 2020

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Report: New York tenants were not aware they would be featured at the Republican National Convention

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A couple received an anonymous note calling their unpainted house an "eyesore," then they received over $48,000 to help with repairs

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