How the Dyn outage affected Cloudflare
October 27, 2016 12:10 PM
Last Friday the popular DNS service Dyn suffered three waves of DDoS attacks that affected users first on the East Coast of the US, and later users worldwide. ...
How Cloudflare's Architecture Allows Us to Scale to Stop the Largest Attacks
October 26, 2016 12:59 PM
The last few weeks have seen several high-profile outages in legacy DNS and DDoS-mitigation services due to large scale attacks. Cloudflare's customers have, understandably, asked how we are positioned to handle similar attacks....
Dyn issues affecting joint customers
October 21, 2016 6:22 PM
Today there is an ongoing, large scale Denial-of-Service attack directed against Dyn DNS. While Cloudflare services are operating normally, if you are using both Cloudflare and Dyn services, your website may be affected....
TLS nonce-nse
October 12, 2016 3:05 PM
One of the base principles of cryptography is that you can't just encrypt multiple messages with the same key. At the very least, what will happen is that two messages that have identical plaintext will also have identical ciphertext, which is a dangerous leak. ...
Say Cheese: a snapshot of the massive DDoS attacks coming from IoT cameras
October 11, 2016 12:59 PM
Over the last few weeks we've seen DDoS attacks hitting our systems that show that attackers have switched to new, large methods of bringing down web applications....
MORE POSTS
September 30, 2016 5:42 AM
Introducing Dedicated SSL Certificates
When we launched Universal SSL in September 2014 we eliminated the costly and confusing process of securing a website or application with SSL, and replaced it with one free step: sign up for Cloudflare....
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September 24, 2016 3:46 PM
How we brought HTTPS Everywhere to the cloud (part 1)
CloudFlare's mission is to make HTTPS accessible for all our customers. It provides security for their websites, improved ranking on search engines, better performance with HTTP/2, and access to browser features such as geolocation that are being deprecated for plaintext HTTP....
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September 23, 2016 4:01 PM
An overview of TLS 1.3 and Q&A
The CloudFlare London office hosts weekly internal Tech Talks (with free lunch picked by the speaker). My recent one was an explanation of the latest version of TLS, 1.3, how it works and why it's faster and safer....
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September 22, 2016 2:34 PM
Fixing the mixed content problem with Automatic HTTPS Rewrites
Long ago it was difficult, expensive, and slow to set up an HTTPS capable web site. Then along came services like CloudFlare’s Universal SSL that made switching from http:// to https:// as easy as clicking a button. ...
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September 21, 2016 3:51 PM
Opportunistic Encryption: Bringing HTTP/2 to the unencrypted web
Encrypting the web is not an easy task. Various complexities prevent websites from migrating from HTTP to HTTPS, including mixed content, which can prevent sites from functioning with HTTPS. ...
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September 20, 2016 1:04 PM
Introducing TLS 1.3
The encrypted Internet is about to become a whole lot snappier. When it comes to browsing, we’ve been driving around in a beat-up car from the 90s for a while. Little does anyone know, we’re all about to trade in our station wagons for a smoking new sports car. ...
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September 20, 2016 1:04 PM
Encryption Week
Since CloudFlare’s inception, we have worked tirelessly to make encryption as simple and as accessible as possible. Over the last two years, we’ve made CloudFlare the easiest way to enable encryption for web properties and internet services. ...
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September 19, 2016 8:00 PM
CloudFlare’s new WordPress plugin
Over 25% of all websites use WordPress, and over 10% of all internet traffic flows through CloudFlare; WordPress + CloudFlare has always been a winning combination, and now with CloudFlare’s new WordPress plugin, it's easier than ever to make your site 60% faster....
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August 25, 2016 2:18 PM
How the Consumer Product Safety Commission is (Inadvertently) Behind the Internet’s Largest DDoS Attacks
The mission of the United State's Government's Consumer Product Safety Commission (CPSC) is to protect consumers from injury by products. ...
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July 18, 2016 3:26 PM
CloudFlare sites protected from httpoxy
We have rolled out automatic protection for all customers for the the newly announced vulnerability called httpoxy....
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June 21, 2016 6:03 AM
A Post Mortem on this Morning's Incident
We would like to share more details with our customers and readers on the internet outages that occurred this morning and earlier in the week, and what we are doing to prevent these from happening again....
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June 14, 2016 1:04 PM
Secure and fast GitHub Pages with CloudFlare
GitHub offers a web hosting service whereby you can serve a static website from a GitHub repository. This platform, GitHub Pages, can be used with CloudFlare whilst using a custom domain name. ...
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June 10, 2016 1:08 PM
Optimizing TLS over TCP to reduce latency
The layered nature of the Internet (HTTP on top of some reliable transport (e.g. TCP), TCP on top of some datagram layer (e.g. IP), IP on top of some link (e.g. Ethernet)) has been very important in its development. ...
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May 17, 2016 1:07 PM
The Sleepy User Agent
From time to time a customer writes in and asks about certain requests that have been blocked by the CloudFlare WAF. Recently, a customer couldn’t understand why it appeared that some simple GET requests for their homepage were listed as blocked in WAF analytics....
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