2015-08-04
Last week ISC published a patch for a critical remotely exploitable vulnerability in the BIND9 DNS server capable of causing a crash with a single packet. ...
2015-08-03
CloudFlare’s DNS server, RRDNS, is entirely written in Go and typically runs tens of thousands goroutines. Since goroutines are cheap and Go I/O is blocking we run one goroutine per file descriptor we listen on and queue new packets for processing....
2015-07-31
Our global expansion continues in Bucharest, Romania, the 6th largest city in the European Union* following London, Berlin, Madrid, Rome, and Paris (nearly all of which feature a CloudFlare PoP!). ...
2015-07-24
The CloudFlare team is heading to HostingCon 2015 in San Diego next week. We are excited to meet colleagues from the industry, reconnect with partners, and make new friends. ...
2015-07-23
CloudFlare has over 5,000 hosting provider partners. Every day, thousands of our partners' customers take advantage of CloudFlare to help them be faster and more secure....
2015-07-14
What better day than the 14th of July (Bastille Day) to announce the latest addition to our network in Marseille, France? Our data center in the southern city of Marseille is our 2nd in France, 12th in Europe and 36th globally....
2015-07-14
After months of preparation, my teammates Algin, Marty, Adam, Jono and I touched down in Singapore and were greeted by skyscrapers, malls, Singlish, chili crab, and Marty’s special sweet and sour chicken. It immediately hit us that we were no longer in San Francisco....
2015-07-08
Recently I was contacted by Dr. Igor Kozin from The Institute of Cancer Research in London. He asked about the optimal way to compile CloudFlare's open source fork of zlib....
2015-07-07
At CloudFlare, we care a lot about serving requests as fast as possible. Files can be served much faster when already in CloudFlare’s cache....
2015-07-06
Today, shortly after 21:00 UTC, on our internal operations chat there was a scary message from one of our senior support staff: "getting DNS resolution errors on support.cloudflare.com", at the same time as automated monitoring indicated a problem....
2015-07-03
CloudFlare operates a huge global network of servers that proxy our customers' web sites, operate as caches, inspect requests to ensure they are not malicious, deflect DDoS attacks and handle one of the largest authoritative DNS systems in the world. ...
2015-07-01
Today we are thrilled to welcome UK2 Group as a CloudFlare partner. Customers of UK2 Group (including its brands UK2.net, Midphase, and Westhost) are now able to access CloudFlare’s web performance and security solutions with a single click....
2015-07-01
CloudFlare's DNS server, RRDNS, is written in Go and the DNS team used to generate a file called version.go in our Makefile. version.go looked something like this....
2015-06-30
In a recent blog post we explained how to tweak a simple UDP application to maximize throughput. This time we are going to optimize our UDP application for latency. Fighting with latency is a great excuse to discuss modern features of multiqueue NICs. ...
2015-06-24
Someone once said that the best things in life are free and I can’t agree more. I want to draw the attention of the CloudFlare community to a great resource that helps maximize the value of our product. ...
2015-06-24
A major part of securing a network as geographically diverse as CloudFlare’s is protecting data as it travels between datacenters. Customer data and logs are important to protect but so is all the control data that our applications use to communicate with each other. ...
2015-06-22
Move over Jurassic World, the long awaited sequel to our Tokyo deployment is here. Our Osaka data center is our 2nd in Japan, 5th in Asia (following deployments in Hong Kong, Tokyo, Singapore, and Seoul), and 35th globally. ...
2015-06-19
This month, CloudFlare and EFF pushed back against major music labels’ latest strategy to force Internet infrastructure companies like CloudFlare to become trademark and copyright enforcers, by challenging a broad court order that the labels obtained in secret....
2015-06-18
Something that often, uh... bugs Go developers is the lack of a proper debugger. Builds are ridiculously fast and easy, but sometimes it would be nice to just set a breakpoint and step through that endless if chain or print a bunch of values without recompiling ten times....
2015-06-16
Last week during a casual conversation I overheard a colleague saying: "The Linux network stack is slow! You can't expect it to do more than 50 thousand packets per second per core!"...
