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November 23, 2017
The New DDoS Landscape
News outlets and blogs will frequently compare DDoS attacks by the volume of traffic that a victim receives. Surely this makes some sense, right? The greater the volume of traffic a victim receives, the harder to mitigate an attack - right? ...
September 14, 2017
If I Knew Then What I Know Now: Tales from the Early Internet
Paul Mockapetris, Inventor, DNS, and David Conrad, CTO, ICANN
Moderator: Matthew Prince, Co-Founder & CEO, Cloudflare...
September 10, 2017
Delivering Dot
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 sh...
August 18, 2017
Broken packets: IP fragmentation is flawed
As opposed to the public telephone network, the internet has a Packet Switched design. But just how big can these packets be?...
July 21, 2017
How to use Cloudflare for Service Discovery
Cloudflare runs 3,588 containers, making up 1,264 apps and services that all need to be able to find and discover each other in order to communicate -- a problem solved with service discovery....
May 25, 2017
Less Is More - Why The IPv6 Switch Is Missing
At Cloudflare we believe in being good to the Internet and good to our customers. By moving on from the legacy world of IPv4-only to the modern-day world where IPv4 and IPv6 are treated equally, we believe we are doing exactly that....
May 14, 2017
Introducing Load Balancing & Intelligent Failover with Cloudflare
Cloudflare's Enterprise customers have been using our Load Balancing service since March, and it has been helping them avoid website downtime caused by unreliable hosting providers, Internet outages, or servers. ...
May 10, 2017
How Cloudflare analyzes 1M DNS queries per second
On Friday, we announced DNS analytics for all Cloudflare customers. Because of our scale –– by the time you’ve finished reading this, Cloudflare DNS will have handled millions of DNS queries –– we had to be creative in our implementation. ...
May 05, 2017
Meet The Brand New DNS Analytics Dashboard
Have you noticed something new in your Cloudflare analytics dashboard this morning? You can now see detailed DNS analytics for your domains on Cloudflare....
April 12, 2017
Changing Internet Standards to Build A Secure Internet
We’ve been working with registrars and registries in the IETF on making DNSSEC easier for domain owners, and over the next two weeks we’ll be starting out by enabling DNSSEC automatically for .dk domains....
April 11, 2017
How we made our DNS stack 3x faster
Cloudflare is now well into its 6th year and providing authoritative DNS has been a core part of infrastructure from the start. We’ve since grown to be the largest and one of the fastest managed DNS services on the Internet, hosting DNS for nearly 100,000 of the Alexa top 1M site...
February 14, 2017
Want to see your DNS analytics? We have a Grafana plugin for that
Curious where your DNS traffic is coming from, how much DNS traffic is on your domain, and what records people are querying for that don’t exist? We now have a Grafana plugin for you.
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January 01, 2017
How and why the leap second affected Cloudflare DNS
At midnight UTC on New Year’s Day, deep inside Cloudflare’s custom RRDNS software, a number went negative when it should always have been, at worst, zero. A little later this negative value caused RRDNS to panic. ...
December 14, 2016
Manage Cloudflare records with Salt
We use Salt to manage our ever growing global fleet of machines. Salt is great for managing configurations and being the source of truth. We use it for remote command execution and for network automation tasks....