Diving into /proc/[pid]/mem
October 27, 2020 12:00PM
A few months ago, after reading about Cloudflare doubling its intern class, I quickly dusted off my CV and applied for an internship. Long story short: now, a couple of months later, I found myself staring at Linux kernel code and adding a pretty cool feature to gVisor....
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Raking the floods: my intern project using eBPF
September 18, 2020 12:00PM
eBPF
Linux
UDP
Programming
SYN-cookies help mitigating SYN-floods for TCP, but how can we protect services from similar attacks that use UDP? We designed an algorithm and a library to fill this gap, and it’s open source!...
When Bloom filters don't bloom
March 02, 2020 1:00PM
Deep Dive
Hardware
Optimization
Programming
Tools
Last month finally I had an opportunity to use Bloom filters. I became fascinated with the promise of this data structure, but I quickly realized it had some drawbacks. This blog post is the tale of my brief love affair with Bloom filters....
Join Cloudflare & Moz at our next meetup, Serverless in Seattle!
June 24, 2019 2:00PM
Serverless
Cloudflare Workers
Cloudflare Workers KV
JavaScript
Programming
Cloudflare is organizing a meetup in Seattle on Tuesday, June 25th and we hope you can join. We’ll be bringing together members of the developers community and Cloudflare users for an evening of discussion about serverless compute and the infinite number of use cases for deploying code at the edge....
Inside the Entropy
June 17, 2019 2:00PM
Crypto Week
Security
Crypto
Cryptography
Entropy
Generating random outcomes is an essential part of everyday life; from lottery drawings and constructing competitions, to performing deep cryptographic computations....