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Category: Telecommunications Engineering

Experiment with HTTP/3 using NGINX and quiche

Just a few weeks ago we announced the availability on our edge network of HTTP/3, the new revision of HTTP intended to improve security and performance on the Internet. Everyone can now enable HTTP/3 on their Cloudflare zone and experiment with it using Chrome Canary as well as curl, among other clients. We have previously made available an example HTTP/3 server as part of the quiche project to allow people to experiment with the protocol, but it’s quite limited in…

The New Frontier in Global Relations: Cyberspace

Jason Martin, BA ’97, is acting director of the Cyber Development Directorate for the Defense Information Systems Agency. A Mizzou alumnus whose agency is responsible for building out cyber defense capabilities for the U.S. Department of Defense (DoD) says wars of the future will start in cyberspace. Jason Martin, BA ’97, is acting director of the Cyber Development Directorate for the Defense Information Systems Agency (DISA) at Fort Meade, Maryland and the vice director of the Development and Business Center…

Next-generation single-photon source for quantum information science — ScienceDaily

Over the last two decades, tremendous advances have been made in the field of quantum information science. Scientists are capitalizing on the strange nature of quantum mechanics to solve difficult problems in computing and communications, as well as in sensing and measuring delicate systems. One avenue of research in this field is optical quantum information processing, which uses photons — tiny particles of light that have unique quantum properties. A key resource to advance research in quantum information science would…

Cloudflare’s protection against a new Remote Code Execution vulnerability (CVE-2019-16759) in vBulletin

Cloudflare has released a new rule as part of its Cloudflare Specials Rulesets, to protect our customers against a high-severity vulnerability in vBulletin.   A new zero-day vulnerability was discovered for vBulletin, a proprietary Internet forum software. By exploiting this vulnerability, bad actors could potentially gain privileged access and control to the host servers on which this software runs, through Remote Code Execution (RCE). Implications of this vulnerability At Cloudflare, we use three key indicators to understand the severity of…

Molecule links weight gain to gut bacteria — ScienceDaily

UT Southwestern researchers have found a key driver of the crosstalk that helps synchronize the absorption of nutrients in the gut with the rhythms of the Earth’s day-night light cycle. Their findings could have far-ranging implications for obesity in affluent countries and malnutrition in impoverished countries. In the study, published this week by Science, Dr. Lora Hooper and her research team found that the commensal, or good, bacteria that live in the guts of mammals program the metabolic rhythms that…

Cloudflare Workers Sites

Performance on the web has always been a battle against the speed of light — accessing a site from London that is served from Seattle, WA means every single asset request has to travel over seven thousand miles. The first breakthrough in the web performance battle was HTTP/1.1 connection keep-alive and browsers opening multiple connections. The next breakthrough was the CDN, bringing your static assets closer to your end users by caching them in data centers closer to them. Today,…

The Technical Challenges of Building Cloudflare WARP

If you have seen our other post you know that we released WARP to the last members of our waiting list today. With WARP our goal was to secure and improve the connection between your mobile devices and the Internet. Along the way we ran into problems with phone and operating system versions, diverse networks, and our own infrastructure, all while working to meet the pent up demand of a waiting list nearly two million people long. To understand all…

Introducing Browser Insights

Speed matters. We know that when your website or app gets faster, users have a better experience and you get more conversions and more revenue. At Cloudflare, we spend our days obsessing about speed and building new features to squeeze out as much performance as possible. But to improve speed, you first need to measure it. That’s why we’re launching Browser Insights: a new tool that measures the performance of your website from the perspective of your users. Browser Insights…

Leukemia drug shows promise for treating a childhood brain cancer — ScienceDaily

A drug used to treat chronic myeloid leukemia appears to be more effective at stopping a type of medulloblastoma in mouse models than existing treatments for the deadly pediatric brain tumor, reports a multi-institutional team led by researchers at Skaggs School of Pharmacy and Pharmaceutical Sciences at University of California San Diego. In the study, published September 20, 2019 in PLOS One, the team demonstrated how use of a single drug — in this case nilotinib — specifically targets cancer…

Cloudflare’s Approach to Research

Cloudflare’s mission is to help build a better Internet. One of the tools used in pursuit of this goal is computer science research. We’ve learned that some of the difficult problems to solve are best approached through research and experimentation to understand the solution before engineering it at scale. This research-focused approach to solving the big problems of the Internet is exemplified by the work of the Cryptography Research team, which leverages research to help build a safer, more secure…