Jeremy Hartman

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Incorrect proxying of 24 hostnames on January 24, 2022

Incorrect proxying of 24 hostnames on January 24, 2022

On January 24, 2022, as a result of an internal Cloudflare product migration, 24 hostnames (including that were actively proxied through the Cloudflare global network were mistakenly redirected to the wrong origin. During this incident, traffic destined for these hostnames was passed through to the origin and may have resulted in a page being displayed instead of the intended website. This was our doing and was unaware of our error until traffic started to reach their origin.

API calls or other expected responses to and from these hostnames may not have responded properly, or may have failed completely. For example, if you were making an API call to, and was an impacted hostname, you likely would not have received the response you would have expected.

Here is what happened:

At 2022-01-24 22:24 UTC we started a migration of hundreds of thousands of custom hostnames to the Cloudflare for SaaS product. Cloudflare for SaaS allows SaaS providers to manage their customers’ websites and SSL certificates at scale - more information is available here. This migration was intended to be completely seamless, with the outcome being enhanced Continue reading