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We ensure Cloudflare customers aren't affected by LE's certificate chain change

cloudflare.com

Let’s Encrypt, a publicly trusted certificate authority (CA) that Cloudflare uses to issue TLS certificates, has...
Let’s Encrypt, a publicly trusted certificate authority (CA) that Cloudflare uses to issue TLS certificates, has been relying on two distinct certificate chains. One is cross-signed with IdenTrust, a globally trusted CA that has been around since 2000, and the other is Let’s Encrypt’s own root CA, ISRG Root X1. Sinc...

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Total eclipse of the Internet: traffic impacts in Mexico, the US, and Canada

cloudflare.com

A photo of the eclipse taken by Bryton Herdes, a member of Cloudflare's Network team, in...
A photo of the eclipse taken by Bryton Herdes, a member of Cloudflare's Network team, in Southern Illinois.There are events that unite people, like a total solar eclipse, reminding us, humans living on planet Earth, of our shared dependence on the sun. Excitement was obvious in Mexico, several US states, and Canada ...

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Cloudflare Developer Week 2024 wrap-up

cloudflare.com

04/08/20248 min readDeveloper Week 2024 has officially come to a close. Each day last week, we...
04/08/20248 min readDeveloper Week 2024 has officially come to a close. Each day last week, we shipped new products and functionality geared towards giving developers the components they need to build full-stack applications on Cloudflare.Even though Developer Week is now over, we are continuing to innovate with the...

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Major data center power failure (again): Cloudflare Code Orange tested

cloudflare.com

Here's a post we never thought we'd need to write: less than five months after one...
Here's a post we never thought we'd need to write: less than five months after one of our major data centers lost power, it happened again to the exact same data center. That sucks and, if you're thinking "why do they keep using this facility??," I don't blame you. We're thinking the same thing. But, here's the thin...

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JavaScript native RPC added to Cloudflare workers

cloudflare.com

Cloudflare Workers now features a built-in RPC (Remote Procedure Call) system enabling seamless Worker-to-Worker and Worker-to-Durable...
Cloudflare Workers now features a built-in RPC (Remote Procedure Call) system enabling seamless Worker-to-Worker and Worker-to-Durable Object communication, with almost no boilerplate. You just define a class:export class MyService extends WorkerEntrypoint { sum(a, b) { return a + b; } } And then you call it:let thr...

cloudflare workers developer week developers
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Cloudflare Calls – Build real-time serverless video, audio and data applications

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Pages support for monorepos, wrangler.toml, database integrations and more

cloudflare.com

Pages launched in 2021 with the goal of empowering developers to go seamlessly from idea to...
Pages launched in 2021 with the goal of empowering developers to go seamlessly from idea to production. With built-in CI/CD, Preview Deployments, integration with GitHub and GitLab, and support for all the most popular JavaScript frameworks, Pages lets you build and deploy both static and full-stack apps globally to...

cloudflare pages cloudflare workers developer week wrangler
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Cloudflare acquires PartyKit to allow developers to build real-time multi-user

cloudflare.com

We're thrilled to announce that PartyKit, an open source platform for deploying real-time, collaborative, multiplayer applications,...
We're thrilled to announce that PartyKit, an open source platform for deploying real-time, collaborative, multiplayer applications, is now a part of Cloudflare. This acquisition marks a significant milestone in our journey to redefine the boundaries of serverless computing, making it more dynamic, interactive, and, ...

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Cloudflare Calls Open Beta

cloudflare.com

Following its initial announcement in September 2022, Cloudflare Calls is now in open beta and available...
Following its initial announcement in September 2022, Cloudflare Calls is now in open beta and available in your Cloudflare Dashboard. Cloudflare Calls lets developers build real-time audio/video apps using WebRTC, and it abstracts away the complexity by turning the Cloudflare network into a singular SFU. In this po...

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Cloudflare Launches New Event Notifications Service

cloudflare.com

Data is fundamental to any real-world application: the database storing your user data and inventory, the...
Data is fundamental to any real-world application: the database storing your user data and inventory, the analytics tracking sales events and/or error rates, the object storage with your web assets and/or the Parquet files driving your data science team, and the vector database enabling semantic search or AI-powered...

cloudflare workers developer platform developer week developers r2 storage
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Building D1: A Global Database

cloudflare.com

This post is also available in Deutsch and Español. Developers who build Worker applications focus on...
This post is also available in Deutsch and Español. Developers who build Worker applications focus on what they're creating, not the infrastructure required, and benefit from the global reach of Cloudflare's network. Many applications require persistent data, from personal projects to business-critical workloads. Wo...

d1 database developer platform developer week developers
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Cloudflare R2 IA storage tier

cloudflare.com

We’re excited to announce three new features for Cloudflare R2, our zero egress fee object storage...
We’re excited to announce three new features for Cloudflare R2, our zero egress fee object storage platform:Event Notifications Open BetaThe lifecycle of data often doesn’t stop immediately after upload to an R2 bucket – event data may need to be transformed and loaded into a data warehouse, media files may need to ...

developer platform developer week developers product news r2 storage
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Leveling up Workers AI: General Availability and more new capabilities

cloudflare.com

Welcome to Tuesday – our AI day of Developer Week 2024! In this blog post, we’re...
Welcome to Tuesday – our AI day of Developer Week 2024! In this blog post, we’re excited to share an overview of our new AI announcements and vision, including news about Workers AI officially going GA with improved pricing, a GPU hardware momentum update, an expansion of our Hugging Face partnership, Bring Your Own...

cloudflare workers developer platform developer week developers general availability
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Python Workers

cloudflare.com

Cloudflare Workers provides first-class support for Python, including support for:The majority of Python’s Standard libraryAll bindings,...
Cloudflare Workers provides first-class support for Python, including support for:The majority of Python’s Standard libraryAll bindings, including Workers AI, Vectorize, R2, KV, D1, Queues, Durable Objects, Service Bindings and more.Environment Variables, and SecretsA robust foreign function interface (FFI) that let...
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Python Cloudflare Workers

cloudflare.com

Starting today, in open beta, you can now write Cloudflare Workers in Python.This new support for...
Starting today, in open beta, you can now write Cloudflare Workers in Python.This new support for Python is different from how Workers have historically supported languages beyond JavaScript — in this case, we have directly integrated a Python implementation into workerd, the open-source Workers runtime. All binding...

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Welcome to Developer Week 2024 – Cloudflare

cloudflare.com

It’s time to ship. For us (that’s what Innovation Weeks are all about!), and also for...
It’s time to ship. For us (that’s what Innovation Weeks are all about!), and also for our developers. Shipping itself is always fun, but getting there is not always easy. Bringing something from idea to life requires many stars to align. That’s what this week is all about — helping developers, including the two mill...

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Redefining Fleet Management at Cloudflare

cloudflare.com

As Cloudflare continues to grow, we are constantly provisioning new servers, data centers, and hardware all...
As Cloudflare continues to grow, we are constantly provisioning new servers, data centers, and hardware all over the globe. With this increase in scale it became necessary to re-evaluate our approach to node and datacenter tooling. In this blog post, we explore an in-house infrastructure system we’ve built, called Z...

hardware
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Upcoming Let's Encrypt cert chain change and impact for Cloudflare customers

cloudflare.com

Let’s Encrypt, a publicly trusted certificate authority (CA) that Cloudflare uses to issue TLS certificates, has...
Let’s Encrypt, a publicly trusted certificate authority (CA) that Cloudflare uses to issue TLS certificates, has been relying on two distinct certificate chains. One is cross-signed with IdenTrust, a globally trusted CA that has been around since 2000, and the other is Let’s Encrypt’s own root CA, ISRG Root X1. Sinc...

application security developer platform developers security ssl
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Cloudflare mitigates AI side channel attack

cloudflare.com

Since the discovery of CRIME, BREACH, TIME, LUCKY-13 etc., length-based side-channel attacks have been considered practical....
Since the discovery of CRIME, BREACH, TIME, LUCKY-13 etc., length-based side-channel attacks have been considered practical. Even though packets were encrypted, attackers were able to infer information about the underlying plaintext by analyzing metadata like the packet length or timing information.Cloudflare was re...

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Feature Request: Registrar Transfer Between Cloudflare Accounts

cloudflare.com
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Harnessing chaos in Cloudflare offices

cloudflare.com

In the children’s book The Snail and Whale, after an unexpectedly far-flung adventure, the principal character...
In the children’s book The Snail and Whale, after an unexpectedly far-flung adventure, the principal character returns to declarations of “How time’s flown” and “Haven’t you grown?” It has been about four years since we last wrote about LavaRand and during that time the story of how Cloudflare uses physical sources ...

lavarand randomness security week
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Cloudflare Mines 1.1.1.1 Data

cloudflare.com
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Linux kernel security tunables everyone should consider adopting

cloudflare.com

The Linux kernel is the heart of many modern production systems. It decides when any code...
The Linux kernel is the heart of many modern production systems. It decides when any code is allowed to run and which programs/users can access which resources. It manages memory, mediates access to hardware, and does a bulk of work under the hood on behalf of programs running on top. Since the kernel is always invo...

deep dive kernel linux security security week
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Cloudflare Announces Firewall for AI

cloudflare.com

Today, Cloudflare is announcing the development of Firewall for AI, a protection layer that can be...
Today, Cloudflare is announcing the development of Firewall for AI, a protection layer that can be deployed in front of Large Language Models (LLMs) to identify abuses before they reach the models. While AI models, and specifically LLMs, are surging, customers tell us that they are concerned about the best strategie...

ai developer platform llm security security week
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