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Kyoto Tycoon Secure Replication

Kyoto Tycoon is a distributed key-value store written by FAL Labs, and it is used extensively at CloudFlare. Like many popular key-value stores, Kyoto Tycoon uses timestamp-based replication to ensure eventual consistency and guarantee ordering. Kyoto Tycoon is an open source project, and in the spirit of the holidays, we’re contributing our internal changes back […]

Lima, Peru: CloudFlare’s 29th data center

Just when you thought we’d reached the end, CloudFlare’s Latin America data center expansion continues. Hot on the heels of our recent expansion into Santiago, São Paulo, and Medellin, this holiday season commences in Lima with our 29th data center globally, and our fourth in Latin America. Latin America is the fastest growing source of […]

Migrating to the Ghost Blogging Platform

For those of you that follow the CloudFlare blog, you’ll know that we try to be prolific. We have industry leaders like Matthew Prince, John Graham-Cumming, Nick Sullivan, and others publishing pieces weekly from the front lines of internet performance and security. We’re also big fans of open source software, which is used in almost […]

DIY Web Server: Raspberry Pi + CloudFlare

The Raspberry Pi was created with a simple mission in mind: change the way people interact with computers. This inexpensive, credit card-sized machine is encouraging people, especially kids, to start playing with computers, not on them. When the first computers came out, basic programming skills were necessary. This was the age of the Amigas, BBC […]

Tinfoil Security vulnerability scanning now easy in CloudFlare Apps

We’re pleased to introduce a new CloudFlare App: Tinfoil Security. Tinfoil Security is a service designed to find possible web application vulnerabilities. Security is central to CloudFlare’s service. Our security features operate at the network level to identify and block malicious traffic from ever reaching your website or application. However, even with that protection in […]

Experimenting with mozjpeg 2.0

One of the services that CloudFlare provides to paying customers is called Polish. Polish automatically recompresses images cached by CloudFlare to ensure that they are as small as possible and can be delivered to web browsers as quickly as possible. We’ve recently rolled out a new version of Polish that uses updated techniques (and was […]

Introducing CFSSL – CloudFlare’s PKI toolkit

Today we’re proud to introduce CFSSL—our open source toolkit for everything TLS/SSL. CFSSL is used internally by CloudFlare for bundling TLS/SSL certificates chains, and for our internal Certificate Authority infrastructure. We use this tool for all our TLS certificates. Creating a certificate bundle is a common pain point for website operators, and doing it right […]