Welcome Salt Lake City and Get Ready for a Massive Expansion
2018-01-12
We just turned up Salt Lake City, Utah — Cloudflare's 120th data center. Salt Lake holds a special place in Cloudflare's history....
An Explanation of the Meltdown/Spectre Bugs for a Non-Technical Audience
2018-01-08
Last week the news of two significant computer bugs was announced. They've been dubbed Meltdown and Spectre and they take advantage of very technical systems that modern CPUs have implemented to make computers extremely fast. ...
Keeping your GDPR Resolutions
2018-01-05
For many of us, a New Year brings a renewed commitment to eat better, exercise regularly, and read more (especially the Cloudflare blog). But as we enter 2018, there is a unique and significant new commitment approaching....
How "expensive" is crypto anyway?
2017-12-28
I wouldn’t be surprised if the title of this post attracts some Bitcoin aficionados, but if you are such, I want to disappoint you. For me crypto means cryptography, not cybermoney, and the price we pay for it is measured in CPU cycles, not USD....
Why TLS 1.3 isn't in browsers yet
2017-12-26
Upgrading a security protocol in an ecosystem as complex as the Internet is difficult. You need to update clients and servers and make sure everything in between continues to work correctly. The Internet is in the middle of such an upgrade right now. ...
Concise (Post-Christmas) Cryptography Challenges
2017-12-26
It's the day after Christmas; or, depending on your geography, Boxing Day. With the festivities over, you may still find yourself stuck at home and somewhat bored. ...
The History of Stock Quotes
2017-12-25
In honor of all the fervor around Bitcoin, we thought it would be fun to revisit the role finance has had in the history of technology even before the Internet came around. This was adapted from a post which originally appeared on the Eager blog....
Simple Cyber Security Tips (for your Parents)
2017-12-25
Today, December 25th, Cloudflare offices around the world are taking a break. From San Francisco to London and Singapore; engineers have retreated home for the holidays (albeit with those engineers on-call closely monitoring their mobile phones)....
TLS 1.3 is going to save us all, and other reasons why IoT is still insecure
2017-12-24
As I’m writing this, four DDoS attacks are ongoing and being automatically mitigated by Gatebot. Cloudflare’s job is to get attacked. Our network gets attacked constantly....
Technical reading from the Cloudflare blog for the holidays
2017-12-22
During 2017 Cloudflare published 172 blog posts (including this one). If you need a distraction from the holiday festivities at this time of year here are some highlights from the year....
2018 and the Internet: our predictions
2017-12-21
At the end of 2016, I wrote a blog post with seven predictions for 2017. Let’s start by reviewing how I did. I’ll score myself with two points for being correct, one point for mostly right and zero for wrong. That’ll give me a maximum possible score of fourteen. Here goes......
Highlights from Cloudflare's Weekend at YHack
2017-12-16
Along with four other Cloudflare colleagues, I traveled to New Haven, CT last weekend to support 1,000+ college students from Yale and beyond at YHack hackathon....
The Athenian Project: Helping Protect Elections
2017-12-15
From cyberattacks on election infrastructure, to attempted hacking of voting machines, to attacks on campaign websites, the last few years have brought us unprecedented attempts to use online vulnerabilities to affect elections both in the United States and abroad....
Inside the infamous Mirai IoT Botnet: A Retrospective Analysis
2017-12-14
This post offers a retrospective on Mirai, the infamous IoT botnet that disrupted major websites with massive DDoS attacks, leveraging hundreds of thousands of compromised Internet-of-Things devices....
There’s Always Cache in the Banana Stand
2017-12-14
We’re happy to announce that we now support all HTTP Cache-Control response directives. This puts powerful control in the hands of you, the people running origin servers around the world. ...
The Curious Case of Caching CSRF Tokens
2017-12-13
It is now commonly accepted as fact that web performance is critical for business. Slower sites can affect conversion rates on e-commerce stores, they can affect your sign-up rate on your SaaS service and lower the readership of your content....
Why Some Phishing Emails Are Mysteriously Disappearing
2017-12-12
Phishing is the absolute worst. Unfortunately, sometimes phishing campaigns use Cloudflare for the very convenient, free DNS. ...
The FCC Wants to Terminate Net Neutrality - Use Battle for the Net on Cloudflare Apps to Fight Back
2017-12-12
The Federal Communications Commission (FCC) has scheduled a vote to kill its net neutrality rules this Thursday, December 14th. ...
McAllen, Texas: Cloudflare opens 119th Data Center just north of the Mexico border
2017-12-11
Cloudflare's newest date Center is in McAllen, Texas. While McAllen is close to the Mexican border, its importance goes well beyond that simple fact. ...
The end of the road for Server: cloudflare-nginx
2017-12-11
Six years ago when I joined Cloudflare the company had a capital F, about 20 employees, and a software stack that was mostly NGINX, PHP and PowerDNS (there was even a little Apache). ...