The problemis traced toa singledata centerIncident isinitiallyblamed on aDDoS attackThe statuspageloads...slowly522:ConnectionTimed OutStatus pagesays"Investigating"for over anhourError 500:InternalServerErrorServicerestoredin ~3hoursMisconfiguredDNS FieldRay IDmentionedin an errormessageCEOMatthewPrinceapology blogpostA majornews siteis downX (Twitter)is stillworkingCustomertweets ascreenshot oftheir emptydashboardAn importantcrypto/NFTsite isunreachableAn entireregion/countryis "partiallyimpacted"Someoneposts the "Firstday on the job"engineermemeDowndetectoris also down521: Webserver isdownWidespread5XX errorsarereported"CloudflareCaptchaLoop"Reddit techsubredditserupt inchaosEngineerfixed it usinga singleBGP updateOutagecaused by"routineconfigurationchange"Someoneasks if it'sthe LavaLampsThe problemis traced toa singledata centerIncident isinitiallyblamed on aDDoS attackThe statuspageloads...slowly522:ConnectionTimed OutStatus pagesays"Investigating"for over anhourError 500:InternalServerErrorServicerestoredin ~3hoursMisconfiguredDNS FieldRay IDmentionedin an errormessageCEOMatthewPrinceapology blogpostA majornews siteis downX (Twitter)is stillworkingCustomertweets ascreenshot oftheir emptydashboardAn importantcrypto/NFTsite isunreachableAn entireregion/countryis "partiallyimpacted"Someoneposts the "Firstday on the job"engineermemeDowndetectoris also down521: Webserver isdownWidespread5XX errorsarereported"CloudflareCaptchaLoop"Reddit techsubredditserupt inchaosEngineerfixed it usinga singleBGP updateOutagecaused by"routineconfigurationchange"Someoneasks if it'sthe LavaLamps

Cloudflare Outage bingo card - Call List

(Print) Use this randomly generated list as your call list when playing the game. There is no need to say the BINGO column name. Place some kind of mark (like an X, a checkmark, a dot, tally mark, etc) on each cell as you announce it, to keep track. You can also cut out each item, place them in a bag and pull words from the bag.


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  1. The problem is traced to a single data center
  2. Incident is initially blamed on a DDoS attack
  3. The status page loads... slowly
  4. 522: Connection Timed Out
  5. Status page says "Investigating" for over an hour
  6. Error 500: Internal Server Error
  7. Service restored in ~3 hours
  8. Misconfigured DNS Field
  9. Ray ID mentioned in an error message
  10. CEO Matthew Prince apology blog post
  11. A major news site is down
  12. X (Twitter) is still working
  13. Customer tweets a screenshot of their empty dashboard
  14. An important crypto/NFT site is unreachable
  15. An entire region/country is "partially impacted"
  16. Someone posts the "First day on the job" engineer meme
  17. Downdetector is also down
  18. 521: Web server is down
  19. Widespread 5XX errors are reported
  20. "Cloudflare Captcha Loop"
  21. Reddit tech subreddits erupt in chaos
  22. Engineer fixed it using a single BGP update
  23. Outage caused by "routine configuration change"
  24. Someone asks if it's the Lava Lamps