March 10, 2023 2:00PM
Deploying firmware at Cloudflare-scale: updating thousands of servers in more than 285 cities
Firmware
Hardware
Security
We have a huge number of servers of varying kinds, from varying vendors, spread over 285 cities worldwide. We need to be able to rapidly deploy various types of firmware updates to all of them, reliably, and automatically, without any kind of manual intervention....
March 08, 2023 2:05PM
Embrace equity on International Women’s Day (and every day)
IWD
Diversity
Womenflare
Life @ Cloudflare
Employee Resource Groups
Happy International Women’s Day! The global theme for 2023 is #EmbraceEquity, which is part of an ongoing effort to raise awareness around “Why equal opportunities are no longer enough.” Today is a time to highlight achievements made by women, but also an opportunity to become better informed....
March 08, 2023 2:00PM
Accelerate building resiliency into systems with Cloudflare Workers
Cloudflare on Cloudflare
Cloudflare Workers
Traffic Router Worker
Reliability
In this blog post we’ll discuss how Cloudflare Workers enabled us to quickly improve the resiliency of a legacy system...
March 07, 2023 7:00PM
Keeping the Cloudflare API 'all green' using Python-based testing
Testing
Monitoring
API
Engineering
Scout is an automated system providing constant end to end testing and monitoring of live APIs over different environments and resources. Scout does it by periodically running self explanatory Python tests...
March 07, 2023 5:33PM
New Zero Trust navigation coming soon (and we need your feedback)
Cloudflare Zero Trust
Product News
Dashboard
Zero Trust
Security
The Zero Trust dashboard navigation will be getting a visual refresh on March 20, 2023....
March 07, 2023 3:19PM
The White House’s National Cybersecurity Strategy asks the private sector to step up to fight cyber attacks. Cloudflare is ready
United States
Security
Cyber Readiness
Zero Trust
The White House released the National Cybersecurity Strategy aimed at securing the Internet. Cloudflare welcomes the Strategy, and congratulates the White House on this comprehensive, much-needed policy initiative....
March 03, 2023 2:00PM
How Cloudflare runs Prometheus at scale
Prometheus
Observability
Open Source
Deep Dive
Here at Cloudflare we run over 900 instances of Prometheus with a total of around 4.9 billion time series. Operating such a large Prometheus deployment doesn’t come without challenges . In this blog post we’ll cover some of the issues we hit and how we solved them...
March 02, 2023 3:05PM
Oxy is Cloudflare's Rust-based next generation proxy framework
Proxying
Rust
Performance
Edge
iCloud Private Relay
Cloudflare Gateway
Oxy
In this blog post, we are proud to introduce Oxy - our modern proxy framework, developed using the Rust programming language...
March 02, 2023 3:03PM
How we built an open-source SEO tool using Workers, D1, and Queues
Developers
Serverless
Storage
Cloudflare Workers
D1
Queues
In this blog post, I’m excited to show off some of the new tools in Cloudflare’s developer arsenal, D1 and Queues, to prototype and ship an internal tool for our SEO experts at Cloudflare....
February 28, 2023 2:00PM
How Rust and Wasm power Cloudflare's 1.1.1.1
DNS
Resolver
1.1.1.1
Introducing a new DNS platform that powers 1.1.1.1 and various other products....
February 24, 2023 2:00PM
ROFL with a LOL: rewriting an NGINX module in Rust
Lol-html
ROFL
NGINX
OpenResty
Engineers at Cloudflare have written a replacement in Rust for one of the oldest and least-well understood parts of the Cloudflare infrastructure, cf-html, which is an NGINX module. In doing so we learned a lot about how NGINX works, and paved the way to move away from NGINX entirely....
February 23, 2023 3:58PM
One year of war in Ukraine: Internet trends, attacks, and resilience
Cloudflare Radar
Ukraine
Outage
Project Galileo
Trends
Russia
This blog post reports on Internet insights during an historical war in Europe that has been seen and shared online, and discusses how Ukraine's Internet remained resilient in spite of dozens of disruptions in three different stages of the conflict....
February 21, 2023 2:00PM
The Chief Zero Trust Officer: a new role for a new era of cybersecurity
Cloudflare Zero Trust
API Security
SASE
Implementing Zero Trust can be challenging, and efforts may stall. The need for a Chief Zero Trust Officer (CZTO) is driven by the increasing importance of Zero Trust security in the face of escalating cyber attacks....
February 16, 2023 7:46PM
So long, and thanks for all the deployments: deprecating Wrangler v1
Wrangler
Developers
Cloudflare Workers
Version 1 of Wrangler has served us well for years. But with a new major version to focus on, it’s time to say goodbye...
February 13, 2023 10:23PM
A look at Internet traffic trends during Super Bowl LVII
Cloudflare Radar
Trends
Super Bowl
Advertising
Internet Traffic
We look at who the biggest winners were among Super Bowl advertisers, and examine traffic trends for food delivery services, social media, and sports and betting sites. We also review city and state-level traffic trends, as well as related email threat volume in the weeks ahead of the game...
February 13, 2023 6:37PM
Cloudflare mitigates record-breaking 71 million request-per-second DDoS attack
Attacks
Trends
Speed & Reliability
Security
DDoS
Botnet
This was a weekend of record-breaking DDoS attacks. Over the weekend, Cloudflare detected and mitigated dozens of hyper-volumetric DDoS attacks. The majority of attacks peaked in the ballpark of 50-70 million requests per second (rps) with the largest exceeding 71 million rps...
February 08, 2023 7:00PM
Welcome to Wildebeest: the Fediverse on Cloudflare
Wildebeest
Cloudflare Pages
D1
Cloudflare Workers
Cloudflare Zero Trust
Today we're announcing Wildebeest, an open-source, easy-to-deploy ActivityPub and Mastodon-compatible server built entirely on top of Cloudflare's Supercloud....
February 07, 2023 6:20PM
How Cloudflare erroneously throttled a customer’s web traffic
Customers
Transparency
Today’s post is a little different. It’s about a single customer’s website not working correctly because of incorrect action taken by Cloudflare....
February 03, 2023 2:00PM
Manage and control the use of dedicated egress IPs with Cloudflare Zero Trust
Cloudflare One
Zero Trust
Cloudflare Gateway
Administrators can now use Gateway traffic egress policies to determine which egress IPs are used when....
February 03, 2023 2:00PM
Get notified about the most relevant events with Advanced HTTP Alerts
Advanced HTTP Alerts
Product News
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....