Kyoto Tycoon Secure Replication

Published on by Nick Sullivan.

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’

CloudFlare and SHA-1 Certificates

Published on by Nick Sullivan.

At CloudFlare, we’re dedicated to ensuring sites are not only secure, but also available to the widest audience. In the coming months, both Google’s Chrome browser and Mozilla’s Firefox browser are changing their policy with respect to certain web site certificates. We are aware of these changes,

Origin Server Connection Security with Universal SSL

Published on by Nick Sullivan.

Earlier today, CloudFlare enabled Universal SSL: HTTPS support for all sites by default. Universal SSL provides state-of-the-art encryption between browsers and CloudFlare’s edge servers keeping web traffic private and secure from tampering. CloudFlare’s Flexible SSL mode is the default for CloudFlare sites on the Free plan. Flexible SSL