Cloudflare 1.1.1.1 incident on June 27, 2024
This post is also available in 简体中文, 繁體中文, Français, Español, 日本語, Deutsch and 한국어. IntroductionOn June 27, 2024, a small number of users globally may have noticed that 1.1.1.1 was unreachable or degraded. The root cause was a mix of BGP (Border Gateway Protocol) hijacking and a route leak. Cloudflare was an early adopter of Resource Public Key Infrastructure (RPKI) for route origin validation (RO
Cloudflare outage on June 21, 2022
IntroductionToday, June 21, 2022, Cloudflare suffered an outage that affected traffic in 19 of our data centers. Unfortunately, these 19 locations handle a significant proportion of our global traffic. This outage was caused by a change that was part of a long-running project to increase resilience in our busiest locations. A change to the network configuration in those locations caused an outage
Cloudflare outage caused by bad software deploy (updated)
Cloudflare outage caused by bad software deploy (updated)2019-07-02 This is a short placeholder blog and will be replaced with a full post-mortem and disclosure of what happened today. For about 30 minutes today, visitors to Cloudflare sites received 502 errors caused by a massive spike in CPU utilization on our network. This CPU spike was caused by a bad software deploy that was rolled back. Once
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Cloudflare Breach: Nation-State Hackers Access Source Code and Internal Docs
Uganda's January 13, 2021 Internet Shut Down
