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We’re making Bunny DNS free
Your DNS bill shouldn't scale with your traffic. So we removed query fees from Bunny DNS entirely. No per-request billing and no query limits.
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 1,406 posts.
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Saving 100 terabytes of memory by optimizing 1.1.1.1's DNS cache
Five Rust-level memory optimizations to the DNS cache layout of Big Pineapple cut per-entry memory by 56%, freeing approximately 100 TB of memory across Cloudflare's fleet.
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HTTP headers for the responsible developer
Guide to using HTTP headers for a better web. Learn about HTTPS, HSTS, CSP, Cacheable, immutable resources, serving WebP images, Feature-Policy and more.
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Launching RDAP; sunsetting WHOIS
The Registration Data Access Protocol (RDAP) is the successor to WHOIS, which is being sunsetted on 28 January 2025.
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The New York Times Is Now Available as a Tor Onion Service
Updated: March 4, 2025
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Web Push for Web Apps on iOS and iPadOS
With iOS and iPadOS 16.4 beta 1 comes support for Web Push for Home Screen web apps, Badging API, Manifest ID, and more.
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Verizon and a BGP Optimizer Knocked Large Parts of the Internet Offline
Today at 10:30UTC, the Internet had a small heart attack. A small company in Northern Pennsylvania became a preferred path of many Internet routes through Verizon (AS701), a major Internet transit provider.
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De-AMP: Cutting out Google and enhancing privacy
Brave is rolling out a new feature called De-AMP, which allows Brave users to bypass Google-hosted AMP pages, and instead visit the content's publisher directly.
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Wikipedia blocked in Turkey
The Turkey Blocks monitoring network has verified restrictions affecting the Wikipedia online encyclopaedia in Turkey. A block affecting all language editions of the website detected at 8:00AM local time Saturday 29 April. ...
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Calling All Hackers: Help Us Build an Open Wireless Router
EFF is releasing an experimental hacker alpha release of wireless router software specifically designed to support secure, shareable Open Wireless networks. We will be officially launching the Open Wireless Router today at the HOPE X (Hackers on Planet Earth) conference in New York City, aiming to...
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Zoom to bring end-to-end encryption to all users, including non-paying
Learn more about how to use each Zoom product to connect with coworkers, customers, businesses, and more with insights and best practices.
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DNS traffic can leak outside the VPN tunnel on Android
We were recently made aware of multiple potential DNS leaks on Android. They stem from bugs in Android itself, and only affect certain apps.
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The Cuban CDN
On a recent trip to Cuba I brought with me a smartphone and hoped to get Internet access either via WiFi or 3G. I managed that (at a price) but also saw for myself how Cubans get access to an alternate Internet delivered by sneakernet.
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The DDoS that almost broke the Internet
The New York Times this morning published a story about the Spamhaus DDoS attack and how CloudFlare helped mitigate it and keep the site online. The Times calls the attack the largest known DDoS attack ever on the Internet.
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Is Tor still safe to use?
This blog post is a response to an investigative news report about a large-scale law-enforcement attack that managed to de-anonymize a user of an old version of the long-retired app Ricochet. This blog post aims to provide insight into what we know so far. Nothing that the Tor Project has learned about this incident…
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Signal partners with Microsoft to bring end-to-end encryption to Skype
In collaboration with Signal, Microsoft is introducing a Private Conversations feature in Skype, powered by Signal Protocol.
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Cloudflare outage on December 5, 2025
Cloudflare experienced a significant traffic outage on December 5, 2025, starting approximately at 8:47 UTC. The incident lasted approximately 25 minutes before resolution. We are sorry for the impact that it caused to our customers and the Internet. The incident was not caused by an attack and was due to…
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A Google Cloud support engineer solves a tough DNS case
How a Google Cloud support engineer found one customer’s missing DNS packets
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Tailscale SSH
Use this guide to setup Tailscale SSH. Learn how it transforms SSH connectivity by using your Tailscale identity for authentication. Enjoy simplified setup, added security with WireGuard®, and customizable access with ACLs. Ideal for managing secure connections across your tailnet.
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The largest DDoS attack to date, peaking above 398M rps
Google Cloud stopped the largest known DDoS attack to date, which exploited HTTP/2 stream multiplexing using the new “Rapid Reset” technique.
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The .Org Fire Sale: How it sold for less than half its valuation
Part 2 in a series. (See also Part 1: The Great Dot Org Heist.) Updates: Moz letter, El Reg, registry agreement, ISOC forum + letter, Wyden Ethos Capital seems on track to complete their takeover …
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Twitter restricted in Turkey in aftermath of earthquake
Network data confirm the restriction of Twitter on multiple internet providers in Turkey as of Wednesday 8 February 2023. The incident comes as authorities raise concerns over disinformation online, although ...
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UnifiedPush: A decentralized, open-source push notification protocol
A modern Android smartphone relies on a lot of services, from app stores and calendars to messaging and push notifications. Most of them have open alternativ...
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BirdyChat becomes first European chat app that is interoperable with WhatsApp
We are excited to share that Balsio is the first chat app in Europe that can exchange messages with WhatsApp under the Digital Markets Act. This is a big step forward for anyone using Balsio for work.