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Michał "rysiek" Woźniak · 🇺🇦
@rysiek@mstdn.social  ·  activity timestamp 2 days ago

✅ invalid file
✅ deployed globally
✅ crashing the software

CloudFlare just pulled a CrowdStrike?
https://blog.cloudflare.com/18-november-2025-outage/

#CloudFlare #CrowdStrike #SysAdmin

The Cloudflare Blog

Cloudflare outage on November 18, 2025

Cloudflare suffered a service outage on November 18, 2025. The outage was triggered by a bug in generation logic for a Bot Management feature file causing many Cloudflare services to be affected.
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mig5
@mig5@goto.mig5.net replied  ·  activity timestamp 2 days ago

@rysiek ✅ somehow avoided triggering it in staging/QA env

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Agnieszka R. Turczyńska
@agturcz@circumstances.run replied  ·  activity timestamp 2 days ago

@rysiek As they say: Everyone has a testing environment. Some are lucky to have a separate production one.

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Michał "rysiek" Woźniak · 🇺🇦
@rysiek@mstdn.social replied  ·  activity timestamp 2 days ago

There is a book called Normal Accidents:
https://en.wikipedia.org/wiki/Normal_Accidents

The author puts forth three rules that define systems susceptible to catastrophic accidents which are completely to be expected:

- the system is complex
- the system is tightly coupled
- the system has catastrophic potential

This describes huge cloud providers like CloudFlare very well, and specifically describes the last outage very well.

CloudFlare, AWS, Azure, GCP are simply Too Big Not To Fail.

#SysAdmin #CloudFlare

Normal Accidents - Wikipedia

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Spytfyre
@spytfyre@mastodon.scot replied  ·  activity timestamp 2 days ago

@rysiek
And this is (just one reason) why I am a prepper with water and ship biscuits in my camper van along with the usual tents thermal sleeping bags medical supplies etc etc etc etc 😆

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ʙᴇɴ ᴄᴏᴛᴛᴇяɪʟʟ
@BenCotterill@mastodon.social replied  ·  activity timestamp 2 days ago

@spytfyre @rysiek My uncle wrote one on airplanes. https://www.amazon.co.uk/Aircraft-System-Systems-Barker-author/dp/076809402X

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