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Unusual Traffic, Unexpected Chaos: The Truth Behind the Cloudflare Outage

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Cloudflare's Global Outage: Understanding the Root Cause Behind the September 18 Network Disruption On 18 September, the world witnessed a sudden and widespread slowdown of the internet. Websites and applications depending on Cloudflare ranging from social networks to API driven platforms began returning Internal Server Error messages. Millions of users assumed it was a cyberattack, a DDoS event, or a breach. However, the truth behind the outage was far more nuanced and rooted in Cloudflare’s internal architecture. This blog breaks down what Cloudflare does, why bot mitigation plays a critical role, how an unexpected configuration file led to an internal service crash, and why “unusual traffic” triggered a global ripple. What Cloudflare Really Does for the Internet Cloudflare is more than a simple CDN or firewall it is a massive reverse-proxy network that sits between users and websites. It accelerates content delivery, filters malicious traffic, provides DNS services, manage...
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Identicon

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The Mystery of Identicons: Turning Data into Unique Visual Avatars Introduction If you’ve ever signed up for a new website and seen a colorful, pixelated avatar appear next to your name — without uploading a profile picture — you’ve probably met an Identicon . Identicons are unique, algorithmically generated images based on a piece of text, usually a username, email, or IP address. They are used for visual identification and uniqueness without revealing personal information. Where Do We See Identicons? GitHub: User avatars when no profile picture is uploaded. WordPress: Default avatars for comments. StackOverflow: Generated icons for users without a custom profile picture. How Do Identicons Work? Hashing the Input – The text (e.g., "kiyotaka ayanokōji") is passed through a hash function like SHA1 or MD5, producing a fixed-length hexadecimal value. Mapping Bits to a Grid – The hash is split into smaller parts, each controlling ...
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