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December 25, 2017 3:32 PM
Simple Cyber Security Tips (for your Parents)
Today, December 25th, Cloudflare offices around the world are taking a break. From San Francisco to London and Singapore; engineers have retreated home for the holidays (albeit with those engineers on-call closely monitoring their mobile phones)....
October 27, 2017 5:30 PM
5 Strategies to Promote Your App
Brady Gentile from Cloudflare's product team wrote an App Developer Playbook, embedded within the developer documentation page. ...
October 25, 2017 5:00 PM
Spotify's Cloudflare App is open source: fork it for your next project
Earlier this year, Cloudflare Apps was launched so app developers may leverage our global network of 6 million+ websites, applications, and APIs. ...
May 03, 2017 9:02 PM
Introducing the new Cloudflare Community Forum
Cloudflare’s community of users is vast. With more than 6 million domains registered, our users come in all shapes and sizes and are located all over the world. ...
April 25, 2017 7:45 AM
Ecommerce websites on Cloudflare: best practices
Cloudflare provides numerous benefits to ecommerce sites, including advanced DDOS protection and an industry-leading Web Application Firewall (WAF) that helps secure your transactions and protect customers’ private data....
April 14, 2017 3:00 PM
Understanding Our Cache and the Web Cache Deception Attack
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....
February 02, 2017 12:15 PM
NANOG - the art of running a network and discussing common operational issues
The North American Network Operators Group (NANOG) is the loci of modern Internet innovation and the day-to-day cumulative network-operational knowledge of thousands and thousands of network engineers....
September 16, 2016 7:23 PM
Webcast: Hardening Microservices Security
Microservices is one of the buzz words of the moment. Beyond the buzz, microservices architecture offers a great opportunity for developers to rethink how they design, develop, and secure applications....
August 12, 2016 1:03 PM
This is strictly a violation of the TCP specification
I was asked to debug another weird issue on our network. Apparently every now and then a connection going through CloudFlare would time out with 522 HTTP error....
August 03, 2016 11:26 AM
CloudFlare's JSON-powered Documentation Generator
Everything that it's possible to do in the CloudFlare Dashboard is also possible through our RESTful API. We use the same API to power the dashboard itself....
August 02, 2016 2:01 PM
Introducing the p0f BPF compiler
Two years ago we blogged about our love of BPF (BSD packet filter) bytecode. Today we are very happy to open source another component of the bpftools: our p0f BPF compiler!...
January 19, 2016 6:19 PM
Go coverage with external tests
The Go test coverage implementation is quite ingenious: when asked to, the Go compiler will preprocess the source so that when each code portion is executed a bit is set in a coverage bitmap....
March 25, 2015 4:23 PM
A Go Gotcha: When Closures and Goroutines Collide
Here's a small Go gotcha that it's easy to fall into when using goroutines and closures. Here's a simple program that prints out the numbers 0 to 9....
June 17, 2012 10:08 PM
Keeping passwords safe by staying up to date
Over the last few weeks a number of companies have seen their password databases leaked onto the web and found that despite having made some effort to protect them many of the passwords were easily uncovered. ...
April 16, 2012 7:04 PM
CloudFlare Tips: Recommended steps after activating through a partner
CloudFlare has partnered with a number of CloudFlare Certified Partners to make it simple for website owners that want a faster and safer website. ...