Security
Cloudflare
Fri Apr 12 2024
How we ensure Cloudflare customers aren't affected by Let's Encrypt's certificate chain change
Let’s Encrypt’s cross-signed chain will be expiring in September.
Security-Week
Wed Mar 06 2024
Linux kernel security tunables everyone should consider adopting
This post illustrates some of the Linux Kernel features, which are helping us to keep our production systems more secure.
Linux
Thu Feb 08 2024
connect() - why are you so slow?
This is our story of what we learned about the connect() implementation for TCP in Linux.
AI
Wed Dec 06 2023
How we used OpenBMC to support AI inference on GPUs around the world
Fri Nov 17 2023
How to execute an object file: Part 4, AArch64 edition
The initial posts are dedicated to the x86 architecture.
Deep-Dive
Fri Oct 06 2023
Virtual networking 101: Bridging the gap to understanding TAP
Tap devices were historically used for VPN clients.
UDP
Mon Jun 26 2023
Lost in transit: debugging dropped packets from negative header lengths
Oxy
Fri May 26 2023
How Oxy uses hooks for maximum extensibility
TCP
Thu May 25 2023
Unbounded memory usage by TCP for receive buffers, and how we fixed it
We are constantly monitoring and optimizing the performance and resource utilization of our systems.
Developer-Week
Thu May 18 2023
Building Cloudflare on Cloudflare
Cloudflare was originally built as native services, but we’re building more and more of it on Cloudflare itself.
