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Cloudflare blames massive internet outage on 'latent bug'
(techcrunch.com)
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this post was submitted on 19 Nov 2025
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I don't think it was a bug making the configuration change, I think there was a bug as a result of that change.
That specific combination of changes may not have been tested, or applied in production for months, and it just happened to happen today when they were needed for the first time since an update some time ago, hence the latent part.
But they do changes like that routinely.
Yeah, I just read the postmortem. My response was more about the confusion that any configuration change is inherently non-routine.