The View from Washington: The State of Cybersecurity
2017-09-14
Avril Haines, Former Deputy National Security Advisor, Obama Administration...
Understanding the prevalence of web traffic interception
2017-09-12
This post summarizes how prevalent encrypted web traffic interception is and how it negatively affects online security according to a study published at NDSS 2017 authored by several researchers including the author of this post and Nick Sullivan of Cloudflare. ...
Delivering Dot
2017-09-10
Since March 30, 2017, Cloudflare has been providing DNS Anycast service as additional F-Root instances under contract with ISC (the F-Root operator). F-Root is a single IPv4 address plus a single IPv6 address which both ISC and Cloudflare announce to the global Internet as a shared Anycast. This document reviews how F-Root has performed since that date in March 2017. The DNS root servers are an important utility provided to all clients on the Internet for free - all F root instances includin...
Hurricane Irma
2017-09-09
Yesterday, we described how Hurricane Irma impacted several Caribbean islands, with the damage including a significant disruption to Internet access....
The Story of Two Outages
2017-09-07
Over the last two days, Cloudflare observed two events that had effects on global Internet traffic levels. Cloudflare handles approximately 10% of all Internet requests, so we have significant visibility into traffic from countries and networks across the world....
SIDH in Go for quantum-resistant TLS 1.3
2017-09-01
Most of today's cryptography is designed to be secure against an adversary with enormous amounts of computational power. This means estimating how much work certain computations require, and choosing cryptographic parameters based on our best estimates....
Portland (Oregon): Cloudflare's 117th Data Center!
2017-09-01
Even as the luckiest amongst us across the US West Coast dashed off to Oregon to be closer to the solar eclipse path of totality, Cloudflare engineers were busy turning up our newest data center in Portland....
One way to help Hurricane Harvey victims
2017-09-01
Hurricane Harvey hit Texas last Friday as a Category 4 storm. Although Harvey's category was quickly downgraded, the storm lingered around for days, bringing 50 inches of rain to the greater Houston area....
The WireX Botnet: How Industry Collaboration Disrupted a DDoS Attack
2017-08-28
On August 17th, 2017, multiple Content Delivery Networks (CDNs) and content providers were subject to significant attacks from a botnet dubbed WireX. ...
App Highlight: Trebble
2017-08-25
Earlier this month, Armel Beaudry Kembe spoke at the Ottawa JS meetup to introduce his experience in developing his app Trebble.fm on the new Cloudflare App platform....
Going Global - a Localization Case Study at Cloudflare
2017-08-23
Today Cloudflare serves nearly 10% of all global internet requests and more than 80% of our customers are based outside of the United States. ...
Advancing Privacy Protection with the GDPR
2017-08-21
The road towards implementation of the new European GDPR (the General Data Protection Regulation) has been a long one, even though public awareness of its impact, especially outside of Europe, is only now really starting to take hold. ...
App Highlight: Hardenize
2017-08-18
Hardenize is a comprehensive security tool that continuously monitors the security and configuration of your domain name, email, and website....
Broken packets: IP fragmentation is flawed
2017-08-18
As opposed to the public telephone network, the internet has a Packet Switched design. But just how big can these packets be?...
Why We Terminated Daily Stormer
2017-08-16
Earlier today, Cloudflare terminated the account of the Daily Stormer. We've stopped proxying their traffic and stopped answering DNS requests for their sites. We've taken measures to ensure that they cannot sign up for Cloudflare's services ever again....
Power outage hits the island of Taiwan. Here’s what we learned.
2017-08-16
At approximately 4:50pm local time (8:50am UTC) August 15, a major unexpected power outage hit the island of Taiwan with a significant amount of its power generation facilities going down....
Recap: How to make a Cloudflare App workshop in Austin
2017-08-11
Cloudflare hosted a developer preview workshop in Austin for Cloudflare Apps, taught by Zack Bloom, tech lead of Cloudflare Apps....
Moving Forward with Path Forward
2017-08-10
In February, I blogged about our first rotation of Path Forward returnships and the awesome people we’ve hired as a result of the program....
The Languages Which Almost Became CSS
2017-08-02
When Tim Berners-Lee announced HTML in 1991 there was no method of styling pages. How a given HTML tag was rendered was determined by the browser, often with significant input from the user’s preferences...
Net Neutrality Day: Cloudflare + Fight for the Future
2017-07-25
For Net Neutrality Day on July 12, Fight for the Future launched a Cloudflare App installable for websites all over the world. Sites with it installed saw as many as 178M page views prompting the users to write to their local congressional representative on the importance of Net Neutrality....