02/12/2024
Super Bowl LVIII was a close game, with the Chiefs winning in overtime. In this post, we explore how key moments during the game impacted Internet traffic, as well as looking at the traffic trends driven by advertisements that aired during the game...
02/12/2024
Last Thursday, on a clear, sunny morning in Waco, Texas, a jury returned a verdict after less than two hours of deliberation. The jury found that Cloudflare did not infringe the patent asserted against Cloudflare by patent trolls Sable IP and Sable Networks. ...
02/08/2024
This is our story of what we learned about the connect() implementation for TCP in Linux. Both its strong and weak points. How connect() latency changes under pressure, and how to open connection so that the syscall latency is deterministic and time-bound...
02/06/2024
Workers AI is now bigger and better with 8 new models and improved model performance...
02/01/2024
On Thanksgiving Day, November 23, 2023, Cloudflare detected a threat actor on our self-hosted Atlassian server. Our security team immediately began an investigation, cut off the threat actor’s access, and no Cloudflare customer data or systems were impacted by this event...
01/31/2024
During Developer Week, we announced LangChain support for Cloudflare Workers. Since then, we’ve been working with the LangChain team on deeper integration of many tools across Cloudflare’s developer platform and are excited to share what we’ve been up to...
01/26/2024
In 2023, Cloudflare mitigated 35.7 million malicious requests that targeted Jewish and Holocaust educational websites. Today more than ever, it’s important to ensure these websites are protected and available...
01/24/2024
Foundations is a foundational Rust library, designed to help scale programs for distributed, production-grade systems...
01/08/2024
In this post, we’re going to go over what that looks like, how we achieve high availability, and how we meet our Service Level Objectives (SLOs) while shipping close to a million log lines per second...
01/04/2024
In this post, we explore the latest changes to Privacy Pass protocol. We are also excited to introduce a public implementation of the latest IETF draft of the Privacy Pass protocol — including a set of open-source templates that can be used to implement Privacy Pass Origins, Issuers, and Attesters...
12/22/2023
Providing software and web services that deliver value for users often requires measuring user behavior. In this blog we discuss emerging cryptographic and statistical techniques that enable collecting such measurements without violating user privacy...
12/14/2023
In the last decade, IPv6 adoption on the client side went from under 1% to somewhere in the high 30 to low 40 percent, depending on who’s reporting, but there’s also the other end of the equation: the server side...
12/07/2023
To help our team continue to innovate efficiently, our MLOps effort has collaborated with Cloudflare’s data scientists to implement the following best practices...
12/06/2023
This is what Cloudflare has been able to do so far with OpenBMC with respect to our GPU-equipped servers...
12/01/2023
Cloudflare Gen 12 Compute servers are moving to 2U1N form factor to optimize the thermal design to accommodate both high-power CPUs (>350W) and GPUs effectively while maintaining performance and reliability...
11/28/2023
We provide many tools to help you debug Cloudflare Workers; from your local environment all the way into production. In this post, we highlight some of the tools we currently offer, and do a deep dive into one specific area - breakpoint debugging - a tool we recently added into our workerd runtime...
11/23/2023
We're thrilled to announce that Stable Diffusion and Code Llama are now available as part of Workers AI, running in over 100 cities across Cloudflare’s global network....
11/17/2023
The initial posts are dedicated to the x86 architecture. Since then, the fleet of our working machines has expanded to include a large and growing number of ARM CPUs. This time we’ll repeat this exercise for the aarch64 architecture....
11/14/2023
Workers AI now supports streaming text responses for the LLM models in our catalog, including Llama-2, using server-sent events...
11/04/2023
Beginning on Thursday, November 2, 2023, at 11:43 UTC Cloudflare's control plane and analytics services experienced an outage. Here are the details...
09/25/2023
Introducing Cloudflare Fonts. Enhance privacy and performance for websites using Google Fonts by loading fonts from their own origin. Improve user privacy, enhance site performance, and simplify the process. No need for code changes. Simply enable Cloudflare Fonts in your dashboard...
09/25/2023
Today, we are excited to announce Cloudflare Trace! Cloudflare Trace is available to all our customers. Cloudflare Trace enables you to understand how HTTP requests traverse your zone's configuration and what Cloudflare Rules are being applied to the request...
09/24/2023
Building the future is, in part, what Birthday Week is about. Over the past 13 years we’ve announced things like Universal SSL (doubling the size of the encrypted web overnight), or Cloudflare Workers (helping change the way people build and scale applications). This year will be no different...
09/22/2023
Cloudflare has owned exmaple.com for a few years now, but don’t confuse it with example.com! example.com is a reserved domain name set by the Internet Assigned Numbers Authority (IANA), under the direction of the Internet Engineering Task Force (IETF)...
09/21/2023
With this integration, joint customers who have both Falcon LogScale and Cloudflare Email Security can now send detection data to be ingested and displayed within their Falcon LogScale dashboard...
09/20/2023
We want to give you a behind the scenes look at how we have evolved the core mechanism of our product–namely, exactly how it kicks in to queue traffic in response to spikes...
09/19/2023
Cloudflare Analytics can now suggest rate limiting threshold based on historic traffic patterns. Rate Limiting also supports a throttle behavior...
09/15/2023
We just deployed a number of updates to our Client-Side Security Product: Page Shield. As of today we support all major CSP directives, better suggestions, better violation reporting, Page Shield specific user role permissions, and domain insights...
09/13/2023
We're excited to introduce Michele Yetman as Cloudflare's new Chief People Officer...
09/08/2023
We are extremely excited to announce a new addition to our Load Balancing solution, Local Traffic Management (LTM) with deep integrations with Zero Trust!...
09/07/2023
This blog announces Cloudflare One for Data Protection — our unified suite to protect data everywhere across web, SaaS, and private applications. Built on and delivered across our entire global network, Cloudflare One’s data protection suite is architected for the risks of modern coding and AI...
09/07/2023
Cloudflare One just launched its data protection suite. This blog previews new functionality to protect data and code in SaaS environments with our DLP and CASB services and looks back on what we have built over the past year...
09/04/2023
In this blog we’re going to take a closer look at “connection coalescing”, with specific focus on manage it at a large scale...
09/01/2023
We’re excited to announce improvements to Workers Tail that means it can now be enabled for Workers at any size and scale...
08/31/2023
In this reading list, we want to highlight some of the new additions to Radar, as well as some of the Internet disruptions and trends we’ve observed and published posts about during this year...
08/29/2023
Today, we're excited to showcase Meter, a provider of Internet infrastructure, is leveraging the Tenant API integration for DNS filtering to help their clients enforce acceptable Internet use policies...
08/24/2023
You can now “star” up to 10 of the websites and applications you have on Cloudflare for quicker access...
08/23/2023
This year, Cloudflare welcomed a class of ~40 interns for an unforgettable summer filled with invaluable mentorship, continuous learning, and the chance to make a real-world impact. Get ready to learn about the surprising world of Cloudflare interns in their own words ...
08/21/2023
We are back with a quarterly update of our Application Security report. Read on to learn about new attack trends and insights visible from Cloudflare’s global network...
08/21/2023
Here is a reading list with 2023 trends, what you need to know about attacks, and a guide on how to stay protected using Cloudflare...
08/16/2023
The 2023 Phishing Threats Report analyzes millions of malicious emails, brand impersonation examples, identity deception, and other key attack trends based on email security data from a 12-month period...
08/14/2023
Debugging Rust and Wasm with Cloudflare Workers involves a lot of the good old time-consuming and nerve-wracking printf'ing strategy. What if there’s a better way? This blog is about enabling and using Wasm core dumps and how you can easily debug Rust in Cloudflare Workers...
08/11/2023
Today, we are thrilled to share that customers can now debug their Queues directly from the Cloudflare dashboard. This new feature allows customers to send, list, and acknowledge messages in their Queues from the Cloudflare dashboard, enabling a more user-friendly way to interact with their Queues...
08/11/2023
Easily manage storage with scheduled deletion for Cloudflare Stream, available for live recordings and on-demand video...
08/09/2023
Starting today, customers that use Cloudflare’s Advanced Certificate Manager can configure TLS settings on individual hostnames within a domain...
08/08/2023
Announced as part of the Back to School Safely: K-12 Cybersecurity Summit at the White House on August 7, Project Cybersafe Schools will support eligible K-12 public school districts with a package of Zero Trust cybersecurity solutions — for free, and with no time limit...
08/04/2023
The Cybersecurity and Infrastructure Security Agency (CISA) just released a report highlighting the most commonly exploited vulnerabilities of 2022. ...
08/03/2023
Today, we are very excited to announce the general availability of Cloudflare Zero Trust Integration with Datadog...
08/02/2023
A deep dive into the recent incidents relating to Workers KV, and how we’re going to fix them...
08/02/2023
Announcing the new Upstash database integrations for Workers. Now it is easier to use Upstash Redis, Kafka and QStash inside your Worker ...
07/28/2023
BGP origin hijacks allow attackers to intercept, monitor, redirect, or drop traffic destined for the victim's networks. We explain how Cloudflare built its BGP hijack detection system, from its design and implementation to its integration on Cloudflare Radar...
07/27/2023
In this post, we review selected Internet disruptions observed by Cloudflare during the second quarter of 2023, supported by traffic graphs from Cloudflare Radar and other internal Cloudflare tools, and grouped by associated cause or common geography...
07/27/2023
The Internet is a vast, sprawling collection of networks that connect to each other. The new Cloudflare Radar Routing page monitors routing changes and anomalies and presents statistics about how we see traffic getting routed on the Internet...
07/25/2023
The Google Information Security Team revealed a new flaw in AMD's Zen 2 processors in a blog post today. The 'Zenbleed' flaw affects the entire Zen 2 product stack, from AMD's EPYC data center processors to the Ryzen 3000 CPUs, and can be exploited to steal sensitive data processed in the CPU, ...
07/24/2023
Today, we are improving our Domain Rankings page and adding Trending Domains lists...
07/20/2023
Our unique partnership offering will enable Jamf customers to easily implement network Data Loss Prevention (DLP), Remote Browser Isolation (RBI), and SaaS Tenancy Controls from Cloudflare to prevent sensitive data loss from their Apple devices...
07/19/2023
Cloudflare Zaraz has transitioned out of beta and is now generally available to all customers. It is included under the free, paid, and enterprise plans of the Cloudflare Developer Platform. Visit our docs to learn more on our different plans...
07/18/2023
Q2 2023 saw an unprecedented escalation in DDoS attack sophistication. Pro-Russian hacktivists REvil, Killnet and Anonymous Sudan joined forces to attack Western sites. Mitel vulnerability exploits surged by a whopping 532%, and attacks on crypto rocketed up by 600%....
07/14/2023
Quickly compare changes between two Zone Versions with Version Comparisons available now...
07/13/2023
Cloudflare One now supports exact data match for Data Loss Prevention...
