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The first Media over QUIC CDN: Cloudflare
Media over QUIC: We have a winner! Cloudflare has released a technical preview of their MoQ CDN. Now you can use MoQ at scale with style and grace.
Topics /
Networking & Internet
The most popular blog posts about networking & internet on Hacker News. 83 posts.
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Online Safety Act – shutdowns and site blocks
Report incorrectly blocked sites on UK ISP and mobile networks.
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Does our “need for speed” make our wi-fi suck?
It is common knowledge among Wi-Fi professionals that using 20 MHz or 40 MHz channel widths when planning 5 GHz networks offers the best overall ex
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The Internet runs on free and open source software and so does the DNS
The ICANN Security and Stability Advisory Committee recently published SAC132: The Domain Name System Runs on Free and Open-Source Software.
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Did 5G kill the IMSI catcher?
Understand the mechanics, risks, and the future of IMSI catching (a.k.a. stealing your cellular ID) in 2025. Read our primer on this niche form of hacking.
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The HTTP Query Method
This specification defines the QUERY method for HTTP. A QUERY requests that the request target process the enclosed content in a safe and idempotent manner and then respond with the result of that processing. This is similar to POST requests but can be automatically repeated or restarted without concern for partial…
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Ubiquiti SFP Wizard
Celebrate SFP Liberation Day with Ubiquiti’s new SFP Wizard, the $49 portable tool that tests and programs any SFP or QSFP module in seconds. Enjoy up to 1000% off Ubiquiti SFPs and unlock true universal compatibility across every switch and network.
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High-power microwave defeats drone swarm
Epirus announced today the results of an August 26 demonstration of the company’s Leonidas high-power microwave (HPM) system that delivers weaponized…
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Our European search index goes live
We’ve started delivering independent search results from our European-based index. This will help us build the kind of ethical and fair internet we believe in.
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Hacking the Postgres wire protocol
Inside PgDog's wire protocol handling: parsing simple and extended messages, using pg_query for AST inspection, and routing queries via the Postgres hash partition function.
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A new generation of Tailscale access controls
Grants are Tailscale’s next generation of access controls that combine network and application capabilities into a single syntax.
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Analysis of the GFW's Unconditional Port 443 Block on August 20, 2025
The Great Firewall of China (GFW) conducted a large-scale, unconditional block targeting TCP port 443 on August 20, 2025. This report documents the measurements and analysis we conducted of that event.
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Cross-Platform P2P Wi-Fi: How the EU Killed AWDL
This post investigates how we got from Wi-Fi Direct to AWDL to Wi-Fi Aware, what makes Wi-Fi Aware technically superior, and why this shift unlocks true cross-platform peer-to-peer connectivity for developers.
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Valorant's 128-Tick Servers (2020)
Hi, I’m Brent “Brentmeister” Randall and I’m an engineer on the Gameplay Integrity team for VALORANT . My team is responsible for VALORANT ’s build system, automation framework, game client performance, and server performance. In this arti…
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Mullvad: Shutting down our search proxy Leta
On November 27, 2025, we will shut down our search proxy, Leta.
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Firefox 143 for Android to introduce DoH
All web browsing starts with a DNS query to find the IP address for the desired service or website. For much of the internet’s history, this query is sen
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Six Years of Gemini
It's been a quiet year at geminiprotocol.net thus far. I've let two "Apollo days" slip by without a word. I'm about as disappointed in myself for this as I expect many folks are unsurprised by it. I do still have plans and clear ideas for finalising the minor oustanding spec issues. I'd tell people to look forward to…
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Keeping the Internet fast and secure: introducing Merkle Tree Certificates
Cloudflare is launching an experiment with Chrome to evaluate fast, scalable, and quantum-ready Merkle Tree Certificates, all without degrading performance or changing WebPKI trust relationships.
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Verifying your Matrix devices is becoming mandatory
From April 2026, only verified devices can send or receive end-to-end encrypted message on Element.
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Intel's Tofino P4 Software Is Now Open Source
Contributed by Deb Chatterjee, Intel We are excited to usher in the dawn of a new era for the P4 programming language. For many years, the Tofino family of programmable...
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Matrix.org Will Migrate to MAS
Matrix, the open protocol for secure decentralised communications
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Matrix v1.15
Matrix, the open protocol for secure decentralised communications
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Unifying our mobile and desktop domains
How we achieved 20% faster mobile response times, improved SEO, and reduced infrastructure load.
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The Miserable State of Modems and Mobile Network Operators
This is a story of the complexities of cellular connectivity, the perils of closed ecosystems, and how to debug what you cannot see.
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NAT Is the Enemy of Low Power Devices
If you have ever tried communicating with a device on a private network, you may have encountered Network Address Translation (NAT). Because the number of connected devices has long outpaced the number of unique addresses in the IPv4 address space, public IP addresses have to be shared between devices. This introduces…
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Regulations Enabling 6 GHz Wi-Fi
Use the interactive map below to explore the latest global regulations enabling 6 GHz spectrum for Wi-Fi.
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Upcoming coordinated security fix for all Matrix server implementations
Matrix, the open protocol for secure decentralised communications
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Tailscale Services
Tailscale Services is a new way to define available resources on your network and expand the granularity of your access controls to resources that may not have Tailscale installed on them.
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My Mac contacted 63 different Apple owned domains in an hour, while not is use
During a one hour period today, my computer contacted 63 different Apple domains while i was not logged on and using it. I have been trying to minimize to the extent possible the reach of big tech into my life. A full 25% of the DNS queries from one of my computers (M2 MBA with macOS 15.4) are to Apple owned domains …