Argo for Packets is Generally Available
Today, we’re announcing the general availability of Argo for Packets, which provides IP layer network optimizations to supercharge your Cloudflare network services products.
Extending Cloudflare’s Zero Trust platform to support UDP and Internal DNS
Last year, we launched a new feature which empowered users to begin building a private network on Cloudflare. Today, we’re excited to announce even more features which make your Zero Trust migration easier than ever.
Zero Trust Private Networking Rules
Earlier this year, we announced the ability to build a private network on Cloudflare’s network with identity-driven access controls. We’re excited to share that you will soon be able to extend that control to sessions and login intervals as well.
Introducing the Customer Metadata Boundary
Cloudflare’s Data Localisation Suite now helps customers localise metadata about their HTTP traffic.
How to connect your offices to Cloudflare using SD-WAN
Today, a more modern approach is to use SD-WAN to configure your networks and connect them to Cloudflare’s network, leveraging that as the new corporate backbone. It's quick and easy!
DNS "propagation" is actually caches expiring
DNS "propagation" is actually caches expiring
Welcome to CIO Week and the future of corporate networks
This week, we’ll demonstrate how Cloudflare One, our Zero Trust Network-as-a-Service, is helping CIOs transform their corporate networks.
The Case of the Recursive Resolvers
On September 30th 2021, Slack had an outage that impacted less than 1% of our online user base, and lasted for 24 hours. This outage was the result of our attempt to enable DNSSEC — an extension intended to secure the DNS protocol, required for FedRAMP Moderate — but which ultimately led to a series of…
Everything you ever wanted to know about UDP sockets but were afraid to ask, part 1
Historically Cloudflare's core competency was operating an HTTP reverse proxy. We've spent significant effort optimizing traditional HTTP/1.1 and HTTP/2 servers running on top of TCP.
Announcing Argo for Spectrum
Announcing general availability of Argo for Spectrum, a way to turbo-charge any TCP based application.
Making connections with TCP and Sockets for Workers
The ability to make TCP and QUIC client connections from within Workers and Durable Objects, as well as the ability to connect to Workers over TCP and QUIC without using HTTP, will be coming to Cloudflare Workers. Here’s a peek at what we’re working on.
Welcome to Full Stack Week
This week, as we do in our Innovation Weeks, we’ll make a series of announcements to help paint a vision for how we see the future of compute, and giving our developers the tools they need to build their next application on our network.
Malbec subsea cable connects Argentina and Brazil with the rest of the world
2,500 km cable will expand access to high-speed internet […]
How do you tell if a problem is caused by DNS?
How do you tell if a problem is caused by DNS?
The tale of a single register value
It’s not every day that you get to debug what may well be a packet of death. It was certainly the first time for me. What do I mean by “a packet of death”? A software bug where the network stack crashes in reaction to a single received network packet, taking down the whole operating system with it.
Cloudflare recognized as a 'Leader' in The Forrester New Wave for Edge Development Platforms
Forrester’s New Wave for Edge Development Platforms has just been announced. We’re thrilled that they have named Cloudflare a leader.
Getting Cloudflare Tunnels to connect to the Cloudflare Network with QUIC
It is now possible to connect a Cloudflare Tunnel to the Cloudflare network with QUIC. While doing this, we ran into an interesting connectivity problem unique to UDP.
Building the Next Evolution of Cloud Networks at Slack – A Retrospective
About a year ago, I wrote a blog post called Building the Next Evolution of Cloud Networks at Slack. In it, we discussed how Slack’s AWS infrastructure has evolved over the years and the pain points that drove us to spin up a brand-new network architecture redesign project called Whitecastle. If you have not had…
RTMP Go Away: Lossless reconnections for live streaming
What it is: Real Time Messaging Protocol (RTMP) is a popular media streaming protocol that uses Transmission Control Protocol (TCP) persistent connections. When a connection between a live-streaming client and the platform is interrupted, data from the live event is lost until the client can reconnect to a new server. RTMP Go Away is a […]
“Look, Ma, no probes!” — Characterizing CDNs’ latencies with passive measurement
In this article we describe an alternative approach to active measurements, which accurately predicts network latencies using only passively collected data.
Inside the Lab: Expanding connectivity by sea, land, and air
[…]
Tools to explore BGP
Tools to explore BGP
More details about the October 4 outage
Now that our platforms are up and running as usual after yesterday’s outage, I thought it would be worth sharing a little more detail on what happened and why — and most importantly, how we’re learning from it. This outage was triggered by the system that manages our global backbone network capacity. The backbone is […]
Update about the October 4th outage
To all the people and businesses around the world who depend on us, we are sorry for the inconvenience caused by today’s outage across our platforms. We’ve been working as hard as we can to restore access, and our systems are now back up and running. The underlying cause of this outage also impacted many […]
Two Weeks Later: Finding and Eliminating Long Tail Latencies
A little over two weeks ago, we shared extensive benchmarking results of edge networks around the world, and made a commitment that we would improve in 10% of networks where we were not #1.
Announcing Cloudflare TV as a Service
Today we’re excited to announce that we're making the technology we used to build Cloudflare TV available to any other business that wants to run their own 24x7 streaming network.
Cloudflare for Offices
We are extending Cloudflare’s network directly into the most populated office buildings.
2Africa Pearls subsea cable connects Africa, Europe, and Asia to bring affordable, high-speed internet to 3 billion people
Facebook invests in subsea cables as part of our continued efforts to build the infrastructure that carries internet traffic and helps bring more people online to a faster internet. Today, we are thrilled to announce, along with regional and global partners, a new segment of subsea cable called 2Africa Pearls, which connects three continents — […]
Learn How to Build True Edge Apps With Cloudflare Workers and Fauna
There is a lot of buzz around apps running on the edge instead of on a centralized server in web development. Running your app on the edge allows your code to
Vary for Images: Serve the Correct Images to the Correct Browsers
We’re excited to announce support for Vary, an HTTP header that ensures different content types can be served to user-agents with differing capabilities.
Cloudflare Passes 250 Cities, Triples External Network Capacity, 8x-es Backbone
Today, I have three speedy infrastructure updates: we’ve passed 250 on-network cities, more than tripled our external network capacity, and increased our long-haul internal backbone network by over 800% since the start of 2020.
Introducing: Custom Hostname Analytics
Today, we’re excited to announce that SaaS providers will now be able to give their customers visibility into what happens to their traffic when the customer onboards onto the SaaS provider, and inherently, onto the Cloudflare network.
HTTP/3: Practical Deployment Options (Part 3) — Smashing Magazine
After almost five years in development, the new HTTP/3 protocol is nearing its final form. In this part 3, Robin Marx will look at how to practically use and deploy QUIC and HTTP/3, by looking at most best practices and lessons learned from HTTP/2. You’ll discuss that it might take a while before off-the-shelf web server packages provide full HTTP/3 support, and how most major browsers have HTTP/3
The EPYC journey continues to Milan in Cloudflare’s 11th generation Edge Server
At Cloudflare we aim to introduce a new server platform to our edge network every 12 to 18 months or so, to ensure that we keep up with the latest industry technologies and developments.
Zero Trust controls for your SaaS applications
With Access in front of your SaaS applications, you can build Zero Trust rules that determine who can reach your SaaS applications in the same place where your rules for self-hosted applications and network access live.
Apricot subsea cable will boost internet capacity, speeds in the Asia-Pacific region
We are excited to announce our participation in the Apricot subsea cable system, together with leading regional and global partners. When completed, the project (which is still subject to regulatory approvals) will deliver much-needed internet capacity, redundancy, and reliability to expand connections in the Asia-Pacific region. The 12,000-kilometer-long cable will connect Japan, Taiwan, Guam, th
Risk-driven backbone management during COVID-19 and beyond
What the research is: A first-of-its-kind study detailing our backbone management strategy to ensure high service performance throughout the COVID-19 pandemic. The pandemic moved most social interactions online and caused an unprecedented stress test on our global network infrastructure with tens of data center regions. At this scale, failures such as fiber cuts, router misconfigurations, […] Read
Introducing Smart Edge Revalidation
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: 100% Renewable & Zeroing Out Emissions Back to Day 1
By 2025 Cloudflare aims to remove all greenhouse gases emitted as the result of powering our network, and we are committed to powering our network with 100% renewable energy.
Understand and reduce your carbon impact with Cloudflare
As part of Cloudflare’s Impact Week, we’re excited to announce a new tool: Your Carbon Impact Report, available today for all Cloudflare accounts, will outline the carbon savings of operating your Internet properties on Cloudflare’s network.
Automatic Remediation of Kubernetes Nodes
In Cloudflare’s core data centers, we are using Kubernetes to run many of the diverse services that help us control Cloudflare’s edge. We are automating some aspects of node remediation to keep the Kubernetes clusters healthy.
Driving towards an open internet ecosystem to help tackle the digital divide
Connectivity is an integral part of Facebook’s mission to bring people closer together, and the COVID-19 pandemic has only heightened the demand for critical internet access. According to the latest edition of our Inclusive Internet Index, nearly 70 percent of people around the world believe that increased internet usage in all aspects of their lives […]
More products, more partners, and a new look for Cloudflare Logs
Customers can now use our dashboard to push HTTP, Spectrum, Firewall, and NEL Events directly to Datadog, Sumo Logic, Splunk, or an S3-compatible storage provider.
Designing With Code: A Modern Approach To Design (Development Challenges) — Smashing Magazine
After years of innovation in both tools and processes, the struggle between design and development is still real. This article focuses on the best practices for improving the design to development processes and how cutting-edge solutions, such as UXPin powered by Merge technology, can help in facilitating the change.
Announcing WARP for Linux and Proxy Mode
Starting today Cloudflare WARP is available for Linux and comes with the ability to run as a local proxy.
Building Waiting Room on Workers and Durable Objects
Our product is specifically built for customers who experience high volumes of traffic, so we needed to run code at the edge in a highly scalable manner. Cloudflare has a great culture of building upon its own products, so we naturally thought of Workers.
Interconnect Anywhere — Reach Cloudflare’s network from 1,600+ locations
Today, Cloudflare is excited to announce a new wave of interconnection points and partners that quadruples our interconnectivity.
Introducing Zero Trust Private Networking
Starting today, you can build identity-aware, Zero Trust network policies using Cloudflare for Teams.
Modify HTTP request headers with Transform Rules
HTTP request headers can now be modified with Cloudflare Transform Rules.
Sponsored Post: Pinecone, Kinsta, Bridgecrew, IP2Location, StackHawk, InterviewCamp.io, Educative, Stream, Fauna, Triplebyte - High Scalability -
Who's Hiring? * DevOps Engineer: At Kinsta, we set out to create the best managed hosting platform in the world. If you are an experienced DevOps Engineer who is constantly looking for ways to innovate and improve, we might just be the place for you! As Kinsta’s DevOps Engineer, you will be instrumental in making sure that our infrastructure is always on the bleeding edge of technology, remaining
Network-based policies in Cloudflare Gateway
Today we’re excited to announce the ability for administrators to configure network-based policies in Cloudflare Gateway.
proxy-www
I like a good trick. What if... a URL was... a promise... that fetched said URL?
CDN-Cache-Control: Precision Control for your CDN(s)
A new set of HTTP response headers provide control over our CDN’s caching decisions. CDN-Cache-Control allows customers to control how our CDN behaves without affecting the behavior of other caches.
Peering automation at Facebook
Traffic on the internet travels across many different kinds of links. A fast and reliable way to exchange traffic between different networks and service providers is through peering. Initially, we managed peering via a time-intensive manual process. Reliable peering is essential for Facebook and for everyone’s internet use. But there is no industry standard for […]
The OSI model doesn't map well to TCP/IP
The OSI model doesn't map well to TCP/IP
Start building your own private network on Cloudflare today
Starting today, your team can build a private network on Cloudflare’s network.
Containers at the edge: it’s not what you think, or maybe it is
Today, we’re thrilled to announce that we’re exploring a new type of service at the edge: containers. If you have a use case for running containers at our edge, we’d love to know about it!
Location-based personalization at the edge with Cloudflare Workers
Geolocation data access is now available and free for all developers on our Workers platform, including users on the free plan!
Live stream to multiple platforms with Stream Connect
We are announcing Stream Connect, a service that enables creators and creator platforms to push RTMPS feeds to the Cloudflare edge and have it restreamed to your audience on popular platforms including Twitch, Facebook, and YouTube.
Dynamic URL Rewriting at the edge with Cloudflare
Today we are announcing the immediate availability of Transform Rules for all Cloudflare plans. Transform Rules provide Cloudflare administrators with the ability to create URL rewrite rules.