Load Balancing without Load Balancers
March 06, 2013 5:43 PM
CloudFlare had an hour-long outage this last weekend. Thankfully, outages like this have been a relatively rare occurrance for our service. ...
Good Web Security News: Open DNS Resolvers Are Getting Closed
February 22, 2013 9:12 PM
This has been a rough week in the security industry with big attacks and compromises reported at companies from Facebook to Apple. ...
When the Attackers Name Malware After You, You Know You're Doing Something Right
February 14, 2013 1:29 AM
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. ...
Hackers love the holidays
December 21, 2012 3:41 AM
Looking at the latest DDoS attack statistics from CloudFlare's network, it seems that hackers love the holidays....
Ceasefires Don't End Cyberwars
November 27, 2012 11:49 PM
There is a significant conflict in the Middle East. As has been widely reported, along with the physical confrontation between the Israelis and Palestinians, there have been widespread cyber attacks....
MORE POSTS
October 31, 2012 1:04 AM
What Happens When a Hurricane Hits the Web
Now that Hurricane Sandy has passed and the flood waters have begun to recede, we wanted to recap what we saw over the last 24 hours across the CloudFlare network....
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October 30, 2012 7:54 AM
Deep Inside a DNS Amplification DDoS Attack
A few weeks ago I wrote about DNS Amplification Attacks. These attacks are some of the largest, as measured by the number of Gigabits per second (Gbps), that we see directed toward our network....
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October 28, 2012 8:27 PM
Sandy, Meet CloudFlare
There is a large hurricane in the Atlantic Ocean which is likely to come on-shore in the Eastern United States late tomorrow. Dubbed Sandy, the current track of the hurricane has it making landfall around Philadelphia, Pennsylvania....
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September 25, 2012 10:20 PM
CloudFlare protects Einstein's brain!
CloudFlare protects a lot of websites - from eCommerce websites to blogs to SMBs to government sites, and everything in between....
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September 17, 2012 8:17 PM
How to Launch a 65Gbps DDoS, and How to Stop One
Yesterday I posted a post mortem on an outage we had Saturday. The outage was caused when we applied an overly aggressive rate limit to traffic on our network while battling a determined DDoS attacker. ...
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September 05, 2012 4:08 PM
SmartErrors: Decrease Your Site's Bounce Rate
Visitors dread them, publishers fear them and we've all seen them. Page Not Found errors (also known as 404s) are a common occurrence on the web where content is constantly created and discarded. However, few things increase a site's bounce rate faster. ...
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August 28, 2012 5:44 PM
Turning "I'm Under Attack" into "I'm Doing Some Good"
CloudFlare's I'm Under Attack mode allows our customers to, at the click of a button, tell us that they are experiencing an attack and enable automatic protection. It works by slowing down visits to the web site that's under attack and performing extra work to identify malicious ...
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August 16, 2012 8:58 AM
Saturday Night Fever: Layer 7 attacks against CloudFlare sites
Recently, I've taken a look at DDoS attacks against CloudFlare sites at the IP level and the source of those attacks. The worst time for those DDoS attacks is the Wednesday Witching Hour and because of source IP address forgery most of the attacks seem to come from Mars. ...
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August 06, 2012 2:06 PM
Mars Attacks!
Following on from my recent post about when attacks hit CloudFlare, here's a follow up looking at where they come from. Or at least where they say they come from. Looking at attack statistics for the month of July 2012 the largest source of attacks is Mars....
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