Cloudflare's global network grows to 300 cities and ever closer to end users with connections to 12,000 networks
We are pleased to announce that Cloudflare is now connected to over 12,000 Internet networks in over 300 cities around the world
Examining HTTP/3 usage one year on
With the HTTP/3 RFC celebrating its 1st birthday, we examined HTTP version usage trends between May 2022 - May 2023. We found that HTTP/3 usage by browsers continued to grow, but that search engine and social media bots continued to effectively ignore the latest version of the web’s core protocol
Bombyx is being licensed for product development
When we first conceived of our aerial fiber deployment solution, Bombyx (the Latin name for a silk moth), we imagined a robot weaving strands of fiber-optic cables over powerlines, helping human workers quickly connect communities even in very rural or remote locations. Now, after years of successful research, Bombyx is taking the next steps in […]
A whole new Quick Edit in Cloudflare Workers
We’re proud to announce an improved dashboard editor experience that allows users to edit multimodule Workers, use real edge previews, and debug their Workers more easily - all powered by Workers and VSCode for the Web.
Announcing connect() — a new API for creating TCP sockets from Cloudflare Workers
Today, we are excited to announce a new API in Cloudflare Workers for creating outbound TCP sockets, making it possible to connect directly to databases and any TCP-based service from Workers
Cloudflare’s view of Internet disruptions in Pakistan
Following the arrest of ex-PM Imran Khan, violent protests led the Pakistani government to order the shutdown of mobile Internet services and blocking of social media platforms. We examine the impact of these shutdowns on Internet traffic in Pakistan and traffic to Cloudflare’s 1.1.1.1 DNS resolver.
Introducing "Implement DNS in a Weekend"
Introducing "Implement DNS in a Weekend"
The European Network Usage Fees proposal is about much more than a fight between Big Tech and Big European telcos
There’s an important debate happening in Europe that could affect the future of the Internet. The European Commission is considering new rules for how networks connect to each other on the Internet.
New talk: Learning DNS in 10 years
New talk: Learning DNS in 10 years
How we built Network Analytics v2
Network Analytics v2 is a fundamental redesign of the backend systems that power Network Analytics
Oxy: Fish/Bumblebee/Splicer subsystems to improve reliability
We split a proxy application into multiple services to improve development agility and reliability. This blog also shares some common patterns we are leveraging to design a system supporting zero-downtime restart
Measuring network quality to better understand the end-user experience
Starting today, you don’t have to be a network engineer to figure out what your Internet is good for. Let’s tell you how we’re doing it.
A fine-grained network traffic analysis with Millisampler
What the research is: Millisampler is one of Meta’s latest characterization tools and allows us to observe, characterize, and debug network performance at high-granularity timescales efficiently. This lightweight network traffic characterization tool for continual monitoring operates at fine, configurable timescales. It collects time series of ingress and egress traffic volumes, number of active f
Cloudflare’s view of the Virgin Media outage in the UK
UK ISP Virgin Media (AS5089) experienced several outages on April 4, 2023. We examine the impact to Internet traffic, availability of Virgin Media web properties, and how BGP activity may provide insights into the underlying cause
From IP packets to HTTP: the many faces of our Oxy framework
We have recently introduced Oxy, our Rust-based framework for proxies powering many Cloudflare services and products. Today, we will explain why and how it spans various layers of the OSI model, by handling directly raw IP packets, TCP connections and UDP payloads
Replacing Google Optimize with the Vercel Edge Network
Historical guide for replacing Google Optimize with Vercel Edge Config and request-time routing, with current guidance for Routing Middleware and Vercel Functions.
Streaming from serverless Node.js and Edge Runtime on Vercel
Learn how Vercel enables streaming for serverless Node.js and Edge runtimes. HTTP streaming enables the server to incrementally send response data in smaller chunks to the client while generating the complete response.
Oxy is Cloudflare's Rust-based next generation proxy framework
In this blog post, we are proud to introduce Oxy - our modern proxy framework, developed using the Rust programming language
How Rust and Wasm power Cloudflare's 1.1.1.1
Introducing a new DNS platform that powers 1.1.1.1 and various other products.
Get notified about the most relevant events with Advanced HTTP Alerts
Today we’re adding more flexibility to HTTP alerting, enabling customers to customize the types of activity they’re alerted on and how those alerts are organized.
Watch Meta’s engineers discuss optimizing large-scale networks
Managing network solutions amidst a growing scale inherently brings challenges around performance, deployment, and operational complexities. At Meta, we’ve found that these challenges broadly fall into three themes: 1.) Data center networking: Over the past decade, on the physical front, we have seen a rise in vendor-specific hardware that comes with heterogeneous feature and […]
Cloudflare Zero Trust for managed service providers
Adding new features to Cloudflare Zero Trust for Managed Service Providers using Gateway DNS.
Give us a ping. (Cloudflare) One ping only.
Now Zero Trust administrators can use the familiar debugging tools that we all know and love like ping, traceroute, and MTR to test connectivity to private network destinations running behind their Tunnels
Network detection and settings profiles for the Cloudflare One agent
Cloudflare WARP can now securely detect pre-configured locations and route traffic based on the needs of the organization for that location.
Cloudflare protection for all your cardinal directions
In this post, we’ll recap how definitions of corporate network traffic have shifted and how Cloudflare One provides protection for all traffic flows, regardless of source or destination.
Weave your own global, private, virtual Zero Trust network on Cloudflare with WARP-to-WARP
Today, we’re excited to announce a new way to use Cloudflare WARP to securely connect to and from any device in your Zero Trust deployment simply running WARP
Reliving Your Happiest HTTP Interactions with Ruby’s VCR Gem - Shopify
VCR is a Ruby library that records HTTP interactions and plays them back to your test suite, verifying input and returning predictable output. Here’s how and when Prater (Staff Engineer) recommends you use it.
Better HTTP server routing in Go 1.22 - Eli Bendersky's website
static-server: an HTTP server in Go for static content - Eli Bendersky's website
The state of HTTP in 2022
So what happened at all of those working group meetings, specification documents, and side events in 2022? What are implementers and deployers of the web’s protocol doing? And what’s coming next?
One of our most requested features is here: DNS record comments and tags
Today, we’re releasing DNS record comments and tags, making it easier to keep track of and manage DNS records of your domain
Systems design and being bitten by edge-triggering
Helping build a safer Internet by measuring BGP RPKI Route Origin Validation
Is BGP safe yet? If the question needs asking, then it isn't. But how far the Internet is from this goal is what we set out to answer.
Cloudflare is joining the AS112 project to help the Internet deal with misdirected DNS queries
Cloudflare is participating in the AS112 project, becoming an operator of the loosely coordinated, distributed sink of the reverse lookup (PTR) queries for RFC 1918 addresses, dynamic DNS updates and other ambiguous addresses.
Vercel Edge Functions
Historical announcement for the Edge Functions GA release, updated with current guidance for Vercel Functions, Fluid compute, and the Edge Runtime.
Introducing Edge Config: Globally distributed, instant configuration
Historical announcement for Edge Config public beta, updated with current guidance for reading configuration from Vercel Functions and Routing Middleware.
Adjusting pricing, introducing annual plans, and accelerating innovation
After not raising prices in our history, this was something we thought carefully about before deciding to do. While we have over a decade of network expansion and innovation under our belts, what may not be intuitive is that our goal is not to increase revenue from this change.
Cloudflare servers don't own IPs anymore – so how do they connect to the Internet?
In this blog we'll discuss how we manage Cloudflare IP addresses used to retrieve the data from the Internet, how our egress network design has evolved, how we optimized it for best use of available IP space and introduce our soft-anycast technology
Why BGP communities are better than AS-path prepends
Routing on the Internet follows a few basic principles. Unfortunately not everything on the Internet is created equal, and prepending can do more harm than good. In this blog post we’ll talk about the problems that prepending aims to solve, and some alternative solutions
PTP: Timing accuracy and precision for the future of computing
Meta is deploying a timing protocol, Precision Time Protocol (PTP), that will offer new levels of accuracy and precision to our networks and data centers. We believe PTP will become the global standard for keeping time in computer networks. PTP will benefit today’s products and services and will be a foundational technology behind the development […]
How Precision Time Protocol is being deployed at Meta
Implementing Precision Time Protocol (PTP) at Meta allows us to synchronize the systems that drive our products and services down to nanosecond precision. PTP’s predecessor, Network Time Protocol (NTP), provided us with millisecond precision, but as we scale to more advanced systems on our way to building the next computing platform, the metaverse and AI, […]
Twilio Segment Edge SDK powered by Cloudflare Workers
With Segment Edge SDK, built on Cloudflare Workers, developers can collect high-quality first-party data and use Segment Edge SDK to access real-time user profiles and state, to deliver personalized
A Guide To Image Optimization On Jamstack Sites — Smashing Magazine
In this article, Alba Silvente shows us the theoretical and practical solutions to the most common problems when working with images and how to automate them by using a headless CMS and an image CDN.
Indexing millions of HTTP requests using Durable Objects
A deep-dive into how Cloudflare uses Durable Objects and the Streams API to index millions of HTTP requests stored in R2
Making a DNS query in Ruby from scratch
Making a DNS query in Ruby from scratch
Reducing Instagram’s basic video compute time by 94 percent
In our constant quest to prioritize efficiency, Instagram’s engineers have developed a way to process new videos that reduces the cost to produce basic video encodings by 94 percent. With this method in place, Meta’s video infrastructure can continue to scale without needing to add more machines. This frees up resources so more people can […]
On The Edge Of November (2022 Desktop Wallpapers Edition) — Smashing Magazine
November is just around the corner, and with it, a new collection of desktop wallpapers to celebrate the beginning of the month. Designed by creatives from all across the globe, they come in versions with and without a calendar. Let’s make November colorful!
What’s New In DevTools: Halloween Edition 🎃 — Smashing Magazine
In this article, Patrick Brosset gives an update on the most impactful new features that are now available in DevTools, across Firefox, Chrome, Safari, and Edge.
Colocate your edge to your data on Vercel
Historical post about regional execution for edge compute, updated with current guidance for configuring Vercel Function regions near your data source.
Introducing post-quantum Cloudflare Tunnel
Every connection we make post-quantum secure, we remove one opportunity for compromise: that's why we are announcing post-quantum Cloudflare Tunnel to help you secure every connection to our network
Announcing Turnstile, a user-friendly, privacy-preserving alternative to CAPTCHA
Any website can use a simple API to replace CAPTCHAs with our invisible alternative, whether they’re on the Cloudflare network or not.
Monitor your own network with free network flow analytics from Cloudflare
Cloudflare is excited to announce that we are releasing a free version of Magic Networking Monitoring (previously called Flow Based Monitoring). Magic Network Monitoring receives network flow data from a customer’s router(s) and provides network traffic analytics via Cloudflare’s dashboard.
Private by design: building privacy-preserving products with Cloudflare's Privacy Edge
Introducing Privacy Edge – a collection of products that make it easier for site owners and developers to protect their users’ privacy by default.
Build real-time video and audio apps on the world’s most interconnected network
We are announcing Cloudflare Calls, a new product that lets developers build real-time audio and video apps
Where to? Introducing Origin Rules
Origin Rules is a dedicated product for ‘where does this traffic go where it leaves Cloudflare.’ Customers are able to match on an HTTP request using filters and override the host, port, SNI, and the origin a request resolves to.
Bringing Zero Trust to mobile network operators
Better together: 5G mobile networks and Cloudflare’s all-in-one SASE platform
Regional Services comes to India, Japan and Australia
With Regional Services, we are thrilled to expand our coverage to these countries in Asia Pacific, allowing more customers to use Cloudflare by giving them precise control over which parts of the Cloudflare network are able to perform advanced functions
How we built Pingora, the proxy that connects Cloudflare to the Internet
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
Network Entitlement: A contract-based network sharing solution
Meta’s overall network usage and traffic volume has increased as we’ve continued to add new services. Due to the scarcity of fiber resources, we’re developing an explicit resource reservation framework to effectively plan, manage, and operate the shared consumption of network bandwidth, which will help us keep up with demand and limit network disruptions during […]
How to send raw network packets in Python with tun/tap
How to send raw network packets in Python with tun/tap