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News
BGP ORIGIN attribute manipulation and its impact on the Internet
1+ day, 11+ hour ago (572+ words) The ORIGIN attribute indicates how a route was injected into BGP — not to be confused with the origin AS that indicates which AS announced a route. It has three possible values: (0) IGP: Indicates the route is interior to the originating…...
Introducing Cache Response Rules
2+ day, 6+ hour ago (901+ words) Today we’re excited to announce Cache Response Rules. These are a new rule type that runs after an origin server replies but before Cloudflare caches the content. If you've ever been irked watching something that should easily sail out of…...
How the 2026 World Cup affected Internet traffic
4+ day, 12+ hour ago (673+ words) That is precisely the unifying power of the World Cup. Fans from all over the globe reshape their daily routines around these once-in-a-lifetime matchups and storylines — and because Cloudflare operates a global network with 330+ points of presence worldwide, we are…...
Cloudflare Internal DNS is now generally available
5+ day, 4+ hour ago (887+ words) Starting today, Cloudflare Internal DNS is generally available. Cloudflare Internal DNS provides authoritative and recursive DNS for private networks on the same global network and control plane customers already use for public DNS, Zero Trust, networking, and application services. With…...
Cloudflare WAF protects WordPress applications from two high-severity vulnerabilities
1+ week, 1+ day ago (428+ words) Cloudflare has deployed new Web Application Firewall (WAF) protections for two critical vulnerabilities affecting WordPress. The protections address an Unauthenticated Remote Code Execution (RCE) vulnerability in WordPress's REST API and a related SQL Injection vulnerability. The WordPress security team disclosed…...
Introducing the Cloudflare One stack- agent-powered deployment
1+ mon, 1+ week ago (942+ words) Today, we’re releasing the Cloudflare One stack, a set of skills you give to your agent to configure, deploy, and manage your Zero Trust environment for you. This toolkit is designed to help automate the process of learning an entirely…...
When "idle" isn't idle: how a Linux kernel optimization became a QUIC bug
2+ mon, 1+ week ago (1374+ words) In this post, we’ll tell the story of a bug in which CUBIC's congestion window (cwnd) gets permanently pinned at its minimum and never recovers from a congestion collapse event. The story starts with a Linux kernel change aimed at…...
Building For The Future
2+ mon, 2+ week ago (228+ words) This afternoon, we sent the following email to our global team. One of our core values at Cloudflare is transparency, and we believe it's important that you hear this directly from us because it’s a major moment at Cloudflare. We…...
Agents can now create Cloudflare accounts, buy domains, and deploy
2+ mon, 3+ week ago (867+ words) This all works via a new protocol that we’ve co-designed with Stripe as part of the launch of Stripe Projects. We’re excited to launch this new partnership with Stripe, and also to offer $100,000 in Cloudflare credits to all new startups…...
Cloudflare targets 2029 for full post-quantum security
3+ mon, 2+ week ago (461+ words) Cloudflare is accelerating its post-quantum roadmap. We now target 2029 to be fully post-quantum (PQ) secure including, crucially, post-quantum authentication. What happened? Last week, Google announced they had drastically improved upon the quantum algorithm to break elliptic curve cryptography, which is…...