430 articles on Networking.
The new Cloudflare Radar DNS page provides increased visibility into aggregate traffic and usage trends seen by our 1.1.1.1 resolver. In addition to global, location, and ASN traffic trends, we are also providing perspectives on protocol usage, query/response characteristics, and DNSSEC usage.
Today, we’re announcing our most ambitious subsea cable endeavor yet: Project Waterworth. Once complete, the project will reach five major continents and span over 50,000 km (longer than the Earth’s circumference), making it the world’s longest subsea cable project using the highest-capacity technology available. Project Waterworth will bring industry-leading connectivity to the U.S., India, Brazi
Cloudflare was recently contacted by researchers who discovered a broadcast amplification vulnerability through their QUIC Internet measurement research. Since being notified about this vulnerability, we've implemented a mitigation to help secure our infrastructure.
We’ve previously described why we think it’s time to leave the leap second in the past. In today’s rapidly evolving digital landscape, introducing new leap seconds to account for the long-term slowdown of the Earth’s rotation is a risky practice that, frankly, does more harm than good. This is particularly true in the data center […]
Today’s rapidly evolving landscape of use cases that demand highly performant and efficient network infrastructure is placing new emphasis on how in-line amplifiers (ILAs) are designed and deployed. Meta’s ILA Evo effort seeks to reimagine how an ILA site could be deployed to improve speed and cost while making a step function improvement in power […]
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, with limited support and practical use cases. This post explores its potential and current limitations.
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.
Read about the motivation and background for h3i, along with practical examples that you can build upon for your own purposes.
This roundup blog post shares the latest new features and capabilities at Cloudflare. Learn more about how our cross-platform 1.1.1.1 & WARP apps now use MASQUE, a cutting-edge HTTP/3-based protocol, to secure your Internet connection. Additionally, DEX is now generally available.
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.
Using less memory to look up IP addresses in Mess With DNS
We realized that we need a way to automatically heal our platform from an operations perspective, and designed and built a workflow orchestration platform to provide these self-healing capabilities across our global network. We explore how this has helped us to reduce the impact on our customers due to operational issues, and the rich variety of similar problems it has empowered us to solve.
On Monday, September 30, customers on Verizon’s mobile network in multiple cities across the United States reported experiencing a loss of connectivity. HTTP request traffic data from Verizon’s mobile ASN (AS6167) showed nominal declines across impacted cities.
Cloudflare is extending the use of our public DNS resolver through partnering with ISPs and network providers to deliver a safer browsing experience directly to families. Join us in protecting every Internet user from unsafe content with the click of a button, powered by 1.1.1.1 for Families.
Pushy is Netflix’s WebSocket server that maintains persistent WebSocket connections with devices running the Netflix application. This…
New TCP resets and timeouts dataset on Cloudflare Radar surfaces connection tampering, scanning, DoS attacks, and more.
Cloudflare brings visibility to the practice of connection tampering as observed from our global network.
Migrating Mess With DNS to use PowerDNS
The traffic graphs on Cloudflare Radar have been enhanced to include HTTP request traffic. This new metric complements the existing bytes-based “HTTP traffic” view, and the new graphs can be found on Radar’s Overview and Traffic pages.
It’s time for some personal and professional news! TL;DR: I started a podcast with James , I’m stable on antidepressants, I’m giving a P99 CONF about my Rust/io_uring/HTTP work , I’m trying on “they/them” as pronouns, I’m open-sourcing merde_json , rubicon and others, I got a divorce in 2023, I found a new business model. Now that we’re on the same page: let’s unpack this a bit!
As the Paris 2024 Olympics approach, our analysis reveals France, the host nation, leads in DNS traffic to official Olympic sites, followed by the UK, the US, and Australia
On June 27, 2024, a small number of users globally may have noticed that 1.1.1.1 was unreachable or degraded. The root cause was a mix of BGP (Border Gateway Protocol) hijacking and a route leak
Cloudflare is adding support for all TCP and UDP traffic to our Private Network Load Balancing load balancing solution, extending the benefits of Private Network Load Balancing to more than just
We’re excited to announce that BastionZero, a Zero Trust infrastructure access platform, has joined Cloudflare. This acquisition extends our Zero Trust Network Access (ZTNA) flows with native access management for infrastructure like servers, Kubernetes clusters, and databases
Cloudflare Calls is a serverless SFU and TURN service running at Cloudflare’s edge. It’s now in open beta and costs $0.05/ real-time GB. It’s 100% anycast WebRTC
Threads has entered the fediverse! As part of our beta experience, now available in a few countries, Threads users aged 18+ with public profiles can now choose to share their Threads posts to other ActivityPub-compliant servers. People on those servers can now follow federated Threads profiles and see, like, reply to, and repost posts from […]
Internet connectivity in several African countries was disrupted on March 14, 2024, beginning at approximately 05:00 UTC. Based on published reports and social media posts from impacted network providers, the disruption is believed to be due to multiple undersea cable failures in the region
Cloudflare Gateway, our secure web gateway (SWG), now supports the detection, logging, and filtering of network protocols using packet payloads without the need for inspection
Today, we’re excited to announce that a free version of Cloudflare’s network flow monitoring product, Magic Network Monitoring, is now available to all Enterprise Customers
Pingora, our framework for building programmable and memory-safe network services, is now open source. Get started using Pingora today
Cloudflare excels in digital transformation, boasting a global network across 310 cities and 13,000 networks. The Global Partner Services Team fosters diverse partnerships with VARs, SIs, GSIs, MSPs, enhancing service delivery and expanding reach
Today, we are announcing a series of updates to our SASE platform, Cloudflare One, that further the promise of a single-vendor SASE architecture
While deploying Precision Time Protocol (PTP) at Meta, we’ve developed a simplified version of the protocol (Simple Precision Time Protocol – SPTP), that can offer the same level of clock synchronization as unicast PTPv2 more reliably and with fewer resources. In our own tests, SPTP boasts comparable performance to PTP, but with significant improvements in […]
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
A recent decision from the Higher Regional Court of Cologne in Germany marked important progress for Cloudflare and the Internet in pushing back against misguided attempts to address online copyright infringement through the DNS system
Forrester has recognized Cloudflare as a leader in The Forrester Wave™: Edge Development Platforms, Q4 2023 with the top score in the current offering category
Distributed systems provide a particular challenge to program. They often require us to have multiple copies of data, which need to keep synchronized. Yet we cannot rely on processing nodes working reliably, and network delays can easily lead to inconsistencies. Despite this, many organizations rely on a range of core distributed software handling data storage, messaging, system management, and co
Today we're excited to announce Traffic Anomalies notifications, which proactively alert you when your Internet property is seeing an unexpected change in traffic patterns
On 4 October 2023, Cloudflare experienced DNS resolution problems. Some users may have received SERVFAIL DNS responses to valid queries. In this blog, we’re going to talk about what the failure was, why it occurred, and what we’re doing to make sure this doesn’t happen again
We’re announcing the general availability of the Magic WAN Connector, which serves as the glue between your existing network hardware and Cloudflare’s networ
This integration will allow Microsoft Edge users who opt in to browse the Internet more privately, without being tracked across websites
Meet the smartest member of the Cloudflare network team that helps keep you online no matter what happens to the Internet underneath us
We’re excited to share an independent report this week that found that switching enterprise network services from on premises devices to Cloudflare services can cut carbon emissions up to 96%
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
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
We are extremely excited to announce a new addition to our Load Balancing solution, Private Network Load Balancing with deep integrations with Zero Trust!
In this blog we’re going to take a closer look at “connection coalescing”, with specific focus on manage it at a large scale
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
Slack handles billions of inbound network requests per day, all of which traverse through our edge network and ingress load balancing tiers. In this blog post, we’ll talk about how a request flows — from a Slack’s user perspective — across the vast ether of the network to reach AWS and then Slack’s internal…
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
Why is DNS still hard to learn?
We run a wide fleet of machines on the Cloudflare global network. This post describes how we minimize customer disruption during large-scale machine reboots using math!
On July 9, 2023, users in the Asia Pacific region experienced connection errors due to origin DNS resolution failures to .com and .net TLD nameservers
Meta is transferring its IP for Evenstar, a program to accelerate the adoption of open RAN technologies, to the Open Compute Project (OCP). Meta will contribute Evenstar’s radio unit design to OCP, giving the telecom industry its first open, white box radio unit solution. The TIP Open RAN community will leverage the Evenstar radio unit […]
More than 162 million fans tuned in to the 2023 Eurovision Song Contest, the first year that non-participating countries could also vote. Cloudflare helped scale and protect the voting application based.io, built by once.net using our rapid DNS infrastructure, CDN, Cloudflare Pages and Turnstile
At its core, the Descaler Program helps derisk change. It’s designed to be simple and straightforward, with resources to ensure a smooth transition and supporting technology to ensure the migration achieves your organization's goals
Announcing support for MASQUE, a cutting-edge new protocol for the beta version of our consumer WARP iOS app
Today, Cloudflare is very excited to announce full support for HTTP/3 Extensible Priorities, a new standard that speeds the loading of webpages by up to 37%
Get the most out of your SvelteKit app with pre-route configuration, Incremental Static Regeneration, and data at the Edge.
