Hey... quick question, why are anime catgirls blocking my access to the Linux kernel? 😸

lock.cmpxchg8b.com/anubis.html

Aug 20, 2025 · 2:58 PM UTC

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Replying to @taviso
@taviso because companies like your employer's are destroying the commons by abusing the limited budgets of individuals and smaller organizations who put content online and this is literally what it has come to
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Replying to @mjbommar
@mjbommar That sucks, but my employer has datacenters all over the world, 2^16 SHA2 operations is literally too small to even measure? For people on limited devices however... 😬
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Replying to @taviso
@taviso It's not perfect, but it's a fast, dirty way to block AI scrapers. zdnet.com/article/fed-up…
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Replying to @sjvn
@sjvn I understand the intention, the article is explaining why I think the solution has the problem inverted?
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Replying to @taviso
@taviso I am completely new to this topic, but what you have said seems correct in theory. Do you know if any website published real data comparing traffic before and after implementing anubis?
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Replying to @eruizc_dev
@eruizc_dev I'm only aware of some anecdotal reports, like this one for example. social.anoxinon.de/@Codeberg/1150…
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Replying to @taviso
@taviso Anti-clanker clankers just like @uwu_underground
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Replying to @taviso
@taviso You must submit proof that you own a pair of cat ears to prove that you’re a kernel developer
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Replying to @taviso
@taviso no-anime costs $50/mo
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Replying to @taviso
@taviso It's not a catgirl. It's a doggirl.

en.wikipedia.org/wiki/Anubis
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Replying to @taviso
@taviso Keep up the amazing work, Tavis!
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Replying to @taviso
@taviso I recently set up elixir to index some kernels that aren’t online. It’s still indexing them a couple days later. So I can kinda understand why an anti-bot layer is needed to keep resource use practical. I don’t want to sound like an asshole but you could always run it yourself?
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Replying to @taviso
@taviso Read the docs
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Replying to @taviso
@taviso tldr @OpenAI are ruining the internet for everyone
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Replying to @taviso
@taviso Protip: Change your useragent to curl

Anubis is literally the worst thing that's happened to the interent in ages
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Replying to @taviso
@taviso also, fun fact, you can get rid of the anime catgirl by just using non-browser user agents. would be a real shame if someone built a browser extension that does that automatically when detecting anubis 🤭 addons.mozilla.org/en-US/firefox/…
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Replying to @taviso
@taviso I think a few big/notable open-source projects use Anubis because ... it seems to work? I think the interesting question is why - it's just enough of a metaphorical "locked door" such that AI crawlers would look *too sleazy* if they just "kicked it down"? For now?
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Replying to @taviso
@taviso Huawei bots can already bypass this
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Replying to @taviso
@taviso "There's a solid strategy behind it: give people what they want with a flaw that makes it unviable for corpos. Then sell the cure."
news.ycombinator.com/item?id=449288…
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Replying to @taviso
@taviso Why don't you ask the guys that sign your checks? If you're going to scrape and steal everything easily accessed online, nothings going to be easy to access online

I found a vulnerability for you. What happens when you run out of data and you start recursively training?
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Replying to @taviso
@taviso I’d argue it’s “because we can’t have nice things” and if you allow bots to scrape your site they will take down your infrastructure and hosting costs will go up. But still weird that it’s an anime girl, you couldn’t find a different mirror?
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Replying to @taviso
@taviso Cool blog post, just finished reading thru it. I liked the links to relevant info like the register and wiki pages.
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Replying to @taviso
@taviso About the article:
could you redo your calculations for the cost(s), by *assuming* the AI bots are (1) independent, (2) don't have a cookie file, and tries to access ~300k pages + ~3*300k images (a site I sysadmin for)
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Replying to @taviso
@taviso Perhaps Anubis works because the most aggressive bots are not browsers, they just pretend to be one, and do not execute JS. Browser-based bots presumably pass Anubis, but they don't hammer servers as much, so it's a win (for now)
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Replying to @taviso
@taviso why does half of software online have anime girls in there 😭

i overall dont like any sort of companions in apps/websites because they look cringe but this?

this is just my personal preference though of not wanting to see this
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Replying to @taviso
@taviso You seam to have found yourself in a hairy situation.

Why is it as if it was written on the wall in 1999?

The cats changed slightly, but: cats!
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Replying to @taviso
@taviso That's Anubis, and it's a jackal, not a cat.
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Replying to @taviso
@taviso i think this is cat and mouse behavior. it works because it’s not famous enough, once it block enough sites all crawlers will bypass it with minimal effort, as proven by your calculations.
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Replying to @taviso
@taviso that's not anime
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Replying to @taviso
@taviso it says it right there at the bottom
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