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Re:Ask HN: How to stop an AWS bot sending 2B requests/month by Orochikaku on Friday October 17, 2025 @03:30AM (#45614138)
Thinking along the same lines a PoW check like like anubis[1] may work for OP as well.

[1] https://github.com/TecharoHQ/anubis

Re:Ask HN: How to stop an AWS bot sending 2B requests/month by hshdhdhehd on Friday October 17, 2025 @05:02AM (#45614636)
Avoid if you dont have to. It is not really good traffic friendly. Especially if current blocking works.
Re:Ask HN: How to stop an AWS bot sending 2B requests/month by CaptainOfCoit on Friday October 17, 2025 @01:56PM (#45619737)
> Especially if current blocking works.

The submission and the context is when current blocking doesn't work...

Re:Ask HN: How to stop an AWS bot sending 2B requests/month by hshdhdhehd on Saturday October 18, 2025 @01:20AM (#45625113)
> Thankfully, CloudFlare is able to handle the traffic with a simple WAF rule and 444 response to reduce the outbound traffic.

That is strictly less resource intensive than serving 200 and some challenge.

Re:Ask HN: How to stop an AWS bot sending 2B requests/month by CaptainOfCoit on Saturday October 18, 2025 @07:38AM (#45626544)
Right, but if you re-read the submission, OP already tried that and found the costs to be potentially be too high, and are looking for alternatives...
Re:Ask HN: How to stop an AWS bot sending 2B requests/month by winnie_ua on Saturday October 18, 2025 @08:58AM (#45626996)
It was blocking me from accessing GNOME's gitlab instance from my cell phone.

So it mistakedly flagged me as bot. IDK. And it forces legitimate users to wait a while. Not great UX.