May 03, 2017 2:10 PM
Relying on a single wireless router to provide internet in every room of the home is like expecting a single light bulb to illuminate the entire house. It’s physics - WiFi radio waves don’t travel through walls or objects easily. ...
May 01, 2017 3:58 PM
In a traditional TLS handshake, the client authenticates the server, and the server doesn’t know too much about the client. However, starting now, Cloudflare is offering enterprise customers TLS with client authentication. ...
April 27, 2017 1:00 PM
In October, we wrote about a 1.75M rps DDoS attack we mitigated on our network, launched by 52,467 unique IP’s, mostly hacked CCTV cameras. We continued to see more IoT devices in DDoS attacks....
April 14, 2017 3:00 PM
About a month ago, security researcher Omer Gil published the details of an attack that he calls the Web Cache Deception attack. It works against sites that sit behind a reverse proxy (like Cloudflare) and are misconfigured in a particular way....
April 13, 2017 8:34 PM
Today, Cloudflare is extending its Rate Limiting service by allowing any of our customers to sign up. Our Enterprise customers have enjoyed the benefits of Cloudflare’s Rate Limiting offering for the past several months. ...
April 11, 2017 9:28 AM
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 6:04 PM
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. ...
February 06, 2017 9:43 PM
Cloudflare has covered DDoS ransom groups several times in the past. First, we reported on the copycat group claiming to be the Armada Collective and then not too long afterwards, we covered the "new" Lizard Squad....
January 09, 2017 2:08 PM
We extensively monitor our network and use multiple systems that give us visibility including external monitoring and internal alerts when things go wrong....
January 01, 2017 10:40 PM
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 30, 2016 2:34 PM
Looking back over 2016, we saw the good and bad that comes with widespread use and abuse of the Internet. ...
December 14, 2016 2:25 PM
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....
December 07, 2016 2:11 PM
The following blog post describes a debugging adventure on Cloudflare's Mesos-based cluster. This internal cluster is primarily used to process log file information so that Cloudflare customers have analytics, and for our systems that detect and respond to attacks....
December 05, 2016 1:54 PM
Recent headline grabbing DDoS attacks provoked heated debates in the DNS community. Everyone has strong opinions on how to harden DNS to avoid downtime in the future. Is it better to use a single DNS provider or multiple? ...
