February 22, 2019
We’re excited to make Cloudflare Registrar available to all of our customers and we’d like to share some insights and data about domain registration that we learned during the early access period....
February 21, 2019
Last fall, the United States FBI warned organizations of an increase in attacks that exploit vulnerabilities in the Remote Desktop Protocol (RDP). Attackers stole sensitive data and compromised networks by taking advantage of desktops left unprotected....
February 20, 2019
Bot-powered credential stuffing is a scourge on the modern Internet. These attacks attempt to log into and take over a user’s account by assaulting password forms with a barrage of dictionary words and previously stolen account credentials....
February 18, 2019
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February 07, 2019
Cloudflare Access secures your internal sites by adding authentication. When a request is made to a site behind Access, Cloudflare asks the visitor to login with your identity provider....
January 24, 2019
Explore HTTP/3 from root to tip and discover the backstory of this new HTTP syntax that works on top of the IETF QUIC transport....
January 23, 2019
As of December 22, 2018, parts of the US Government have “shut down” because of a lapse in appropriation. ...
January 16, 2019
When you launch a domain, you rely on the Domain Name System to direct your users to your site. However, DNS can't guarantee that visitors reach your content because basic DNS lacks authentication....
December 25, 2018
We've put together some Christmas Cryptography questions. Do you think you can solve them?...
December 21, 2018
Firewall Rules are one of the best security features we released this year, and have been an overwhelming success. Customers have been using Firewall Rules to solve interesting security related use cases....
December 20, 2018
Recently when logging into one of my credit card providers, I was greeted by a familiar screen. After entering in my username, the service asked me to supply 3 random characters from my password to validate ownership of my account....
November 29, 2018
As TLS 1.3 was ratified earlier this year, I was recollecting how we got started with it here at Cloudflare. We made the decision to be early adopters of TLS 1.3 a little over two years ago. It was a very important decision, and we took it very seriously....
November 28, 2018
Efficient packet dropping is a key part of Cloudflare’s distributed denial of service (DDoS) attack mitigations. In this post, we introduce a new tool in our packet dropping arsenal: L4Drop....
November 16, 2018
You can now place applications that require SSH connections, like your source control repository, behind Cloudflare Access. We’re excited to release that same feature so that your team can also destroy your own VPN....
November 15, 2018
Last Monday evening — 12 November 2018 — Google and a number of other services experienced a 74 minute outage. Incidents like this only serve to demonstrate just how much frailty is involved in how packets get from one point on the Internet to another....
November 13, 2018
As Cloudflare Workers matures, we continue to push ourselves to develop and deploy important features using them. Today, we’re excited to announce support for HTTP signed exchanges, generated by Cloudflare Workers!...
November 12, 2018
It's been a while since we last wrote about Layer 3/4 DDoS attacks on this blog. This is a good news - we've been quietly handling the daily onslaught of DDoS attacks. Since our last write-up, a handful of interesting L3/4 attacks have happened. Let's review them....
October 18, 2018
A couple of weeks ago we announced support for the encrypted Server Name Indication (SNI) TLS extension (ESNI for short). As promised, our friends at Mozilla landed support for ESNI in Firefox Nightl. ...
October 15, 2018
This October is the 15th annual National Cybersecurity Awareness Month in the United States, a collaboration between the US government and industry to raise awareness about the part we can all play in staying more secure online....
