In this blog post, we will walk you through the reliability model of services running in our more than 200 edge cities worldwide. Then, we will go over how deploying a new dynamic task scheduling system, HashiCorp Nomad, helped us improve the availability of services in each of those data centers, covering how we deployed…
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As we’ve often seen in the past, real world protest and violence is usually accompanied by attacks on the Internet. This past week has been no exception. The shocking murder of George Floyd on May 25 was followed, over the weekend of May 30/31, by widespread protests and violence in the US. At the same…
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Like many people, I have spent a lot more time at home in the last several weeks. I use the free version of Cloudflare Gateway, part of Cloudflare for Teams, to secure the Internet-connected devices on my WiFi network. In the last week, Gateway has processed about 114,000 DNS queries from those devices and blocked…
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Cloudflare Access, part of Cloudflare for Teams, replaces legacy corporate VPNs with Cloudflare’s global network. Instead of starting a VPN client to backhaul traffic through an office, users visit the hostname of an internal application and login with your team’s SSO provider. While the applications feel like SaaS apps for end users, your security and…
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What is secondary DNS, and why is it important?In DNS, nameservers are responsible for serving DNS records for a zone. How the DNS records populate into the nameservers differs based on the type of nameserver.A primary master is a nameserver that manages a zone’s DNS records. This is where the zone file is maintained and…
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With many people being forced to work from home, there’s increased load on consumer ISPs. You may be asking yourself: how well is my ISP performing with even more traffic? Today we’re announcing the general availability of speed.cloudflare.com, a way to gain meaningful insights into exactly how well your network is performing.We’ve seen a massive…
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When Cloudflare first launched in 2010, network security still relied heavily on physical security. To connect to a private network, most users simply needed to be inside the walls of the office. Once on that network, users could connect to corporate applications and infrastructure.When users left the office, a Virtual Private Network (VPN) became a…
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Phishing attacks begin like any other visit to a site on the Internet. A user opens a suspicious link from an email, and their DNS resolver looks up the hostname, then connects the user to the origin.Cloudflare Gateway’s secure DNS blocks threats like this by checking every hostname query against a constantly-evolving list of known…
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