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Multi-Path TCP: revolutionizing connectivity, one path at a time

2025-01-03

Multi-Path TCP (MPTCP) leverages multiple network interfaces, like Wi-Fi and cellular, to provide seamless mobility for more reliable connectivity. While promising, MPTCP is still in its early stages,...

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Behind the scenes with Stream Live, Cloudflare’s live streaming service

2025-01-02

Cloudflare StreamLive Streaming

Let’s talk about Stream Live’s design, and how it leverages the distributed nature of Cloudflare’s network, rather than centralized locations as many other live services do....

The forecast is clear: clouds on e-paper, powered by the cloud

2024-12-31

Cloudflare WorkersPython

Follow along as I build a custom weather display using Cloudflare Workers and a popular e-paper display....

Open sourcing h3i: a command line tool and library for low-level HTTP/3 testing and debugging

2024-12-30

QUICHTTP3TestingProtocolsRust

h3i is a command line tool and Rust library designed for low-level testing and debugging of HTTP/3, which runs over QUIC....

Sometimes I cache: implementing lock-free probabilistic caching

2024-12-26

ResearchCacheCloudflare WorkersDeveloper Platform

If you want to know what cache revalidation is, how it works, and why it can involve rolling a die, read on. This blog post presents a lock-free probabilistic approach to cache revalidation, along ...

Un experimento rápido: translating Cloudflare Stream captions with Workers AI

2024-12-24

Cloudflare StreamCloudflare WorkersWorkers AI

How I used Workers AI to translate Cloudflare Stream’s auto-generated captions and what I learned along the way....

When the world logs off: Christmas, New Year’s, and the Internet’s holiday rhythm

2024-12-24

Internet TrafficRadarTrendsChristmas

From Christmas Eve dinners in Europe to New Year’s Eve countdowns in Asia, Cloudflare data reveals how global festivities have typically shaped Internet usage and cultural rhythms...

Grinch Bots strike again: defending your holidays from cyber threats

2024-12-23

AI BotsGrinchBotsBot ManagementApplication SecurityApplication Services

Cloudflare observed a 4x increase in bot-related traffic on Black Friday in 2024. 29% of all traffic on our network on Black Friday was Grinch Bots wreaking holiday havoc....

Global elections in 2024: Internet traffic and cyber threat trends

2024-12-23

RadarElectionsDDoSTrendsNetwork Services

In 2024, as elections took place across over 60 countries, the Internet became both a battleground for cyberattacks and a vital platform for democratic engagement....

Hi Claude, build an MCP server on Cloudflare Workers

2024-12-20

MCPAICloudflare Workers

Want Claude to interact with your app directly? Build an MCP server on Cloudflare Workers, enabling you to connect your service directly, allowing Claude to understand and run tasks on your behalf....

The role of email security in reducing user risk amid rising threats

2024-12-19

Cloud Email SecuritySASEZero Trust

As threats evolve, SOC teams must adapt their operations. With Cloudflare’s holistic approach to managing user-based risk, SOC teams can operate more efficiently and reduce the likelihood of a breach....

Internationalization and localization: bringing Cloudflare Radar to a global audience

2024-12-16

RadarJavaScriptRadar MapsLocalization

Internationalization and localization require more than translation: tone, images, date/time and number formatting, among other items, need to be considered....

Robotcop: enforcing your robots.txt policies and stopping bots before they reach your website

2024-12-10

AINetwork ServicesApplication Servicessecurity.txt

Today, the AI Audit dashboard gets an upgrade: you can now quickly see which AI services are honoring your robots.txt policies and then automatically enforce the policies against those that aren’t. ...

Cloudflare 2024 Year in Review

2024-12-09

Year in ReviewRadarTrendsInternet TrafficOutageInternet QualitySecurity

The 2024 Cloudflare Radar Year in Review is our fifth annual review of Internet trends and patterns at both a global and country/region level....

From ChatGPT to Temu: ranking top Internet services in 2024

2024-12-09

Year in ReviewRadarTrendsInternet Traffic

The 2024 popular Internet services landscape highlights rising generative AI, e-commerce shifts, and the continued dominance of platforms like Google and Facebook, as revealed by Cloudflare’s rankings...

From deals to DDoS: exploring Cyber Week 2024 Internet trends

2024-12-03

eCommerceRadarTrendsInternet TrafficDDoS

How significant are Cyber Week shopping days on the Internet? Is it a global phenomenon? Does E-commerce interest peak on Black Friday or Cyber Monday, and are attacks increasing during this time? ...

Cloudflare incident on November 14, 2024, resulting in lost logs

2024-11-26

LogsDataLog Push

On November 14, 2024, Cloudflare experienced a Cloudflare Logs outage, impacting the majority of customers using these products. During the ~3.5 hours that these services were impacted, about 55% of the logs we normally send to customers were not sent and were lost. The details of what went wrong and why are interesting both for customers and practitioners....

Bigger and badder: how DDoS attack sizes have evolved over the last decade

2024-11-20

DDoSAttacksTrends

If we plot the metrics associated with large DDoS attacks observed in the last 10 years, does it show a straight, steady increase in an exponential curve that keeps becoming steeper, or is it closer to a linear growth? Our analysis found the growth is not linear but rather is exponential, with the slope varying depending on the metric (rps, pps or bps). ...