Encrypt it or lose it: how encrypted SNI works
…On the other side, the server uses its own private key share, and the public portion of the client’s share to generate the encryption key and decrypt the extension. While this…
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Making Rust Workers reliable: panic and abort recovery in wasm‑bindgen
…In this post, we’ll share how the latest version of Rust Workers handles comprehensive Wasm error recovery that solves this abort-induced sandbox poisoning. This work has been contributed back into…
Your AI bill is out of control. Cloudflare can fix it now.
…As we’ve spoken with hundreds of companies about their AI strategy, we’ve seen a common story: The company gives every engineer access to frontier models through a shared API key…
Congratulations Cloudflare 2021 Partner Award Winners
…Rising Star Partner of the Year: GuidePoint Security Honors the partner who made substantial investments to grow our shared business, achieving not only full certification compliance but also exceeding revenue targets. APJC…
How Cloudflare responded to the “Copy Fail” Linux vulnerability
…We maintain a custom Linux kernel build based on the community's Long-Term Support (LTS) versions to manage updates effectively at this volume. At any given time, we may utilize multiple…
Bringing insights into TCP resets and timeouts to Cloudflare Radar
…Our ability to generate and share this data via Radar follows from a global investigation into connection tampering . Readers are invited to read the technical details in the peer-review study , or…
Open sourcing Pingora: our Rust framework for building programmable network services
…It's been a long journey, but sharing this project with the open source community has been a goal from the start. We'd like to thank the Rust community as Pingora…
Security Week 2025: in review
…As we continuously work to meet new challenges, Innovation Weeks like Security Week give us an invaluable opportunity to share our point of view and engage with the wider Internet community. Cloudflare…
Nine years of Project Galileo and how the last year has changed it
…As Cloudflare has developed new product features, we've worked with our partners to determine which would be the most helpful to provide to vulnerable communities. In 2022, Cloudflare added Zero Trust…
Shutdowns, power outages, and conflict: a review of Q1 2026 Internet disruptions
…The Uganda Communications Commission (UCC) instructed mobile network operators to suspend public Internet access, effective 18:00 local time (15:00 UTC) on January 13. The UCC reportedly defended the shutdown as…