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April 07, 2014 9:00 AM
Staying ahead of OpenSSL vulnerabilities
Today a new vulnerability was announced in OpenSSL 1.0.1 that allows an attacker to reveal up to 64kB of memory to a connected client or server (CVE-2014-0160). We fixed this vulnerability last week before it was made public. ...
March 11, 2014 5:00 PM
The Web's Silver Jubilee
No matter what your age, it's hard to believe that the World-Wide Web is 25 today. For the young the web has always been part of their lives, for the older it seems like it was invented only yesterday....
March 10, 2014 4:30 PM
ECDSA: The digital signature algorithm of a better internet
This blog post is dedicated to the memory of Dr. Scott Vanstone, popularizer of elliptic curve cryptography and inventor of the ECDSA algorithm. He passed away on March 2, 2014....
February 14, 2014 1:00 AM
Introducing Strict SSL: Protecting Against a On-Path Attack on Origin Traffic
At CloudFlare, we are always looking for ways to improve the security of our customers’ websites. One of the features we provide is the ability to serve their website encrypted over SSL/TLS. ...
December 26, 2013 5:00 PM
Using CloudFlare to mix domain sharding and SPDY
It’s common knowledge that domain sharding, where the resources in a web page are shared across different domains (or subdomains), is a good thing. ...
November 21, 2013 9:00 AM
Red October: CloudFlare’s Open Source Implementation of the Two-Man Rule
At CloudFlare, we are always looking for better ways to secure the data we’re entrusted with. This means hardening our system against outside threats such as hackers, but it also means protecting against insider threats. ...
July 11, 2013 11:02 PM
Staying on top of TLS attacks
CloudFlare makes extensive use of TLS connections throughout our
service which makes staying on top of the latest news about security problems with TLS a priority. We use TLS both externally and internally and different uses of TLS have different constraints....
February 04, 2013 2:26 PM
New "Lucky Thirteen" SSL Vulnerabilities: CloudFlare Users Protected
CloudFlare often gets early word of new vulnerabilities before they are released. Last week we got word that today (Monday, February 4, 2013) there would be a new SSL vulnerability announced. ...
June 29, 2012 2:15 AM
How to make SSL fast
HTTP, the protocol of the web, is unencrypted by default. That means it is trivial for someone using the same local network as you to spy on all the data you send to and receive from most websites. ...
June 15, 2012 9:43 AM
Introducing SPDY
In 2009, Google began work on a new network protocol to make web pages faster. Dubbed SPDY (pronounced "speedy"), the protocol is designed to solve many of the bottlenecks that slow HTTP down. Beginning today, we're rolling out a beta of SPDY to CloudFlare customers. ...
June 01, 2012 11:55 PM
Taming BEAST: Faster, Safer SSL now on CloudFlare
For some time, the vast majority of the web has been vulnerable to the so-called BEAST SSL attack. The attack was first demonstrated in 2011, and more than 90% of the Internet including large sites like Google.com remain vulnerable to their SSL sessions being decrypted....