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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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JWT

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JSON Web Token - (JWT) A JSON Web Token (JWT) is a compact, URL-safe means of representing claims (information) to be transferred between two parties. It is a security mechanism used primarily for authentication and authorization in web applications, allowing a server to verify a user's identity and permissions securely. Since a JWT is digitally signed using a secret or a public/private key pair, its contents can be verified and trusted. JWTs can be used for stateful or stateless sessions, commonly replacing traditional server-side session management. JWT Structure A JWT is a string composed of three distinct parts, separated by dots (.), typically looking like this: header.payload.signature . 1. Header The header contains metadata about the token itself, specifically the type of token and the hashing algorithm used for the signature. Algorithm: (alg) This specifies the algorithm used to sign the token. The server will use this algorithm, along with the secret, to gener...
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Location: Perungudi, Chennai, Tamil Nadu, India
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