This morning at 09:47 UTC CloudFlare effectively dropped off the Internet. The outage affected all of CloudFlare's services including DNS and any services that rely on our web proxy. During the outage, anyone accessing CloudFlare.com or any site on CloudFlare's network would have received
How to Tell How Well Railgun Is Working for Your Site
Yesterday, we announced that 30 of the world's largest hosting providers are now supporting CloudFlare's Railgun WAN optimization technology. Railgun uses delta compression to only transmit the parts of a dynamic page that have changed from one request to another. The net effect is that, on
CloudFlare's Railgun: Easier Than Ever
Over the next few days we have a number of announcements regarding CloudFlare's Railgun technology. We wanted to begin, however, with what is in some ways the end: the ways in which you can take advantage of Railgun yourself. Today we're proud to announce two ways
Good Web Security News: Open DNS Resolvers Are Getting Closed
This has been a rough week in the security industry with big attacks and compromises reported at companies from Facebook to Apple. We're therefore happy to end the week with some good news: the web's open resolvers, one of the sources of the biggest DDoS attacks,
When the Bad Guys Name Malware After You, You Know You're Doing Something Right
CloudFlare's I'm Under Attack Mode (IUAM) is elegantly simple. When a site is under an application layer (Layer 7) distributed denial of service (DDoS) attack, the mode will return a challenge page to a visitor. The challenge requires the visitor's browser to answer a