Open sourcing Pingora: our Rust framework for building programmable network services
2024-02-28
Pingora, our framework for building programmable and memory-safe network services, is now open source. Get started using Pingora today...
How Pingora keeps count
2023-05-12
In this blog post, we explain and open source the counting algorithm that powers Pingora. This will be the first of a series of blog posts that share both the Pingora libraries and the ideas behind them...
Cloudflare's handling of a bug in interpreting IPv4-mapped IPv6 addresses
2023-02-02
Recently, a vulnerability was reported to our bug bounty about a bug in the way some of our code interprets IPv4 addresses mapped into IPv6 addresses. Read about how Cloudflare addressed this vulnerability and what will prevent similar exploits in the future....
How we built Pingora, the proxy that connects Cloudflare to the Internet
2022-09-14
Today we are excited to talk about Pingora, a new HTTP proxy we’ve built in-house using Rust that serves over 1 trillion requests a day...
Introducing Smart Edge Revalidation
2021-07-28
When both Last-Modified and Etag headers are absent from the origin response, Smart Edge Revalidation will use the time the object was cached on Cloudflare as the Last-Modified header value. When Cloudflare receives a revalidation request, our edge can respond using the generated header. ...
Road to gRPC
2020-10-26
Cloudflare launched support for gRPC during our 2020 Birthday Week. In this post, we’ll do a deep-dive into the technical details of how we implemented support....
Why We Started Putting Unpopular Assets in Memory
2020-03-24
Recently, we developed a technology that reduces our hit tail latency and reduces the wear out of SSDs. This technology is a memory-SSD hybrid storage system that puts unpopular assets in memory....