About the March 8 & 9, 2021 Verkada camera hack
2021-03-10
To be clear: this hack affected the cameras and nothing else. No customer data was accessed, no production systems, no databases, no encryption keys, nothing. ...
Control web applications with two-clicks in Cloudflare Gateway
2021-03-09
Announcing Application policies in Cloudflare Gateway. With Gateway, users instead connect to one of Cloudflare’s data centers in 200 cities around the world where our network can apply consistent security policies for all of their Internet traffic....
The benefits of serving stale DNS entries when using Consul
2021-03-08
We use Consul for service discovery, and we’ve deployed a cluster that spans several of our data centers. We were aware from the start that the DNS query latencies were not great from certain parts of the world that were furthest away from these data centers....
Happy International Women’s Day!
2021-03-08
Here at Cloudflare, we’re thrilled to celebrate International Women’s Day today! We have tons of events planned throughout the month of March, which is our way of honoring Women’s Empowerment Month....
Protecting against recently disclosed Microsoft Exchange Server vulnerabilities: CVE-2021-26855, CVE-2021-26857, CVE-2021-26858, and CVE-2021-27065
2021-03-07
Cloudflare has deployed managed rules protecting customers against a series of remotely exploitable vulnerabilities that were recently found in Microsoft Exchange Server. ...
The Teams Dashboard: Finding a Product Voice
2021-03-05
Users love products whose voices they recognize. Here’s how we created a voice for the Teams Dashboard, and how we’re working to make our user’s experience more intentional and consistent....
Conntrack turns a blind eye to dropped SYNs
2021-03-04
We have been dealing with conntrack, the connection tracking layer in the Linux kernel, for years. And yet, despite the collected know-how, questions about its inner workings occasionally come up. When they do, it is hard to resist the temptation to go digging for answers....
Cloudflare recognized as a 'Leader' in The Forrester Wave for DDoS Mitigation Solutions
2021-03-02
Cloudflare is named a ‘Leader’ in Forrester Wave™ for DDoS Mitigation Solutions, Q1 2021...
How to execute an object file: Part 1
2021-03-02
Ever wondered if it is possible to execute an object file without linking? Or use any object file as a library? Follow along to learn how to decompose an object file and import code from it along the way....
The Teams Dashboard: Behind the Scenes
2021-03-01
When we launched Cloudflare for Teams almost ten years later, the vision was very much the same — build a secure and powerful Zero Trust solution that is ridiculously easy to use....
Flow-based monitoring for Magic Transit
2021-02-26
Today, we’re announcing new functionality to improve the experience for on demand Magic Transit customers: flow-based monitoring. Flow-based monitoring allows us to detect and notify customers when they’re under attack so they can activate Magic Transit for protection....
Creating serendipity with Python
2021-02-25
We've been experimenting with breaking up employees into random groups (of size 4) and setting up video hangouts between them. We're doing this to replace the serendipitous meetings that sometimes occur around coffee machines, in lunch lines or while waiting for the printer....
Through the eyes of a Cloudflare Technical Support Engineer
2021-02-24
Justina Wong, Technical Support Team Lead in Lisbon, talks about what it’s like working at Cloudflare, and everything you need to know if you want to join us....
Using HPKE to Encrypt Request Payloads
2021-02-19
Allowing users to securely log parts of the request that match firewall rules while making it impossible for anyone else to decrypt....
Introducing: Smarter Tiered Cache Topology Generation
2021-02-18
Announcing a fundamental improvement to Argo Tiered Cache we’re calling Smart Tiered Cache Topology. When enabled, Argo Tiered Cache will now dynamically select the single best upper tier for each of your website’s origins while providing tiered cache analytics. ...
Tiered Cache Smart Topology
2021-02-18
We are introducing a new topology for Tiered Cache that reduces origin load by increasing cache hit ratio....
2020 U.S. Election: Cybersecurity Analysis
2021-02-09
As we protect many entities in the election space, we have the ability to identify, learn and analyze attack trends targeted at these sites that provide authoritative election information....
Who won Super Bowl LV? A look at Internet traffic during the game
2021-02-08
The obvious answer is the Tampa Bay Buccaneers but the less obvious answer comes from asking “which Super Bowl advertiser got the biggest Internet bump?”. This blog aims to answer that question....
Congratulations to Cloudflare’s 2020 Partner Award Winners
2021-02-08
We are privileged to share Cloudflare’s inaugural set of Partner Awards. These Awards recognize our partner companies and representatives worldwide who stood out this past year for their investments in acquiring technical expertise in our offerings...
The effect of switching to TCMalloc on RocksDB memory use
2021-02-03
Memory allocator is an important part of the system, so choosing the right allocator for a workload can give huge benefits. Here is a story of how we decreased service memory usage by almost three times....
