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The most popular blog posts about networking & internet on Hacker News. 83 posts.
How mobile push notifications currently bring centralization to decentralized services, and how we can avoid it, even for mainstream configurations. Published the 31/01/2025 This post will focus on Android. We all know decentralized applications: emails, Mastodon (and the Fediverse), Nextcloud and other clouds, Git…
The SSL landscape has shifted dramatically. In this paper, we examine OpenSSL 3.x, BoringSSL, LibreSSL, WolfSSL, and AWS-LC with HAProxy.
Many products at Cloudflare aren’t possible without pushing the limits of network hardware and software to deliver improved performance, increased efficiency, or novel capabilities such as soft-unicast, our method for sharing IP subnets across data centers. Happily, most people do not need to know the intricacies of…
Executive Summary On 2 December 2025, an IPv4 block 23.150.164.0/24, correctly allocated to the Original Customer, was inadvertently removed and reissued to the …
One little used type of DNS record is the LOC (or location). It allows you to specify a physical location. CloudFlare handles millions of DNS records; of those just 743 are LOCs. Nevertheless, it's possible to set up a LOC record in the CloudFlare DNS editor.
Matrix, the open protocol for secure decentralised communications
The Matrix Conference 2025 was a huge success, and the energy and enthusiasm was just incredible!
DAVIS, California – November 18, 2025 – The Connectivity Standards Alliance (Alliance) announced today the release of Zigbee 4.0 and Suzi, the new brand for Zigbee’s Sub-GHz feature…
We’re excited to announce the release of Stalwart v0.12, a significant milestone that evolves Stalwart from a powerful mail server into a complete, integrated communication and collaboration...
Oligo Security reveals AirBorne, a new set of vulnerabilities in Apple’s AirPlay protocol and SDK. Learn how zero-click RCEs, ACL bypasses, and wormable exploits could endanger Apple and IoT devices worldwide — and how to protect yourself.
In this post, we’re highlighting 4via6 subnet routing — a powerful way to extend Tailscale’s mesh across entire edge or customer networks. It’s ideal for scenarios where traditional VPNs struggle, like fleets of robots, sensors, or isolated cloud environments.
Sovereign code infrastructure.
ISC is excited to announce the release of Kea 3.0.0! This is a major release, and is the first Long-Term Support (LTS) version of Kea.
Turn-Taking is a big challenge AI Voice Agents are rapidly evolving, powering critical use-cases such as customer support automation, virtual assistants, gaming, and remote collaboration platforms. For these voice-driven interactions to feel natural and practical, the underlying audio pipeline must be resilient to…
What patterns do we see in RUM data during the April 28th power outage in Portugal and Spain?
Tor is upgrading its relay encryption algorithm for improved security. In upcoming releases, Arti and Tor will both support a new encryption algorithm called Counter Galois Onion (CGO). CGO prevents attackers from tampering with encrypted traffic, adds forward secrecy, and brings Tor's encryption up to modern…
A public and free DNS service for a better security and privacy
Brian Scott made an app that's safe, simple, and educational for kids to chat in, using Tailscale's tsnet and connectivity.
WhatsApp users in Europe will soon have the possibility to message users of other services.
The free DNS4EU resolver, for everyone in Europe. Get the addresses, set it up in minutes, and block malware and phishing with no tracking.
