this post was submitted on 19 Nov 2025
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359
Cloudfare outage post mortem (blog.cloudflare.com)
submitted 1 day ago by homura1650@lemmy.world to c/technology@lemmy.world
57 comments fedilink hide all child comments
 

The issue was not caused, directly or indirectly, by a cyber attack or malicious activity of any kind. Instead, it was triggered by a change to one of our database systems' permissions which caused the database to output multiple entries into a “feature file” used by our Bot Management system. That feature file, in turn, doubled in size. The larger-than-expected feature file was then propagated to all the machines that make up our network.

The software running on these machines to route traffic across our network reads this feature file to keep our Bot Management system up to date with ever changing threats. The software had a limit on the size of the feature file that was below its doubled size. That caused the software to fail.

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[–] SinTan1729@programming.dev 2 points 22 hours ago (1 children)

Ah that makes sense. To be fair tho, there's a lot of unwarranted hate towards Rust so it can be hard to tell.

[–] panda_abyss@lemmy.ca 2 points 19 hours ago

I should bite the bullet and learn it.

I decided to learn zig recently, it feels like crafting artisanal software, which is what I liked C for. But it’s kinda janky in that each point version major features come and go (see io and async).

There’s a place for engineering software which is what rust seems great at. Definitely seems like a tool I could/would use as rust is taking over many of my tool workflows.