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New
The latest blog posts to take off on Hacker News. 1,406 posts.
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Noq: n0's new QUIC implementation in Rust
Introducing noq: n0's QUIC implementation
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SSH has no Host header
A dive into how we share IPs between VMs while making SSH work.
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New 'negative light' technology hides data transfers in plain sight
Researchers have developed a ‘negative luminescence’ system to create an innovative way of sending hidden information.
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Cloudflare crawl endpoint
Browser Rendering's new /crawl endpoint lets you submit a starting URL and automatically discover, render, and return content from an entire website as HTML, Markdown, or structured JSON.
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Good Bad ISPs
Defend yourself against tracking and surveillance. Circumvent censorship. | Good Bad ISPs
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World-first gigabit laser link between aircraft and geostationary satellite
Faster, more secure connections from space could one day make broadband on planes, ships and even remote roads as easy as turning on a light. The European Space Agency (ESA), Airbus Defence and Space, the Netherlands Organisation for Applied Scientific Research (TNO) and German payload manufacturer TESAT (as…
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Robust and efficient quantum-safe HTTPS
Today we're announcing a new program in Chrome to make HTTPS certificates secure against quantum computers. The Internet Engineering Task Force (IETF) recently created a…
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Tailscale Peer Relays is now generally available
Work around hard NATs and tricky networks with production-grade connectivity nodes you control
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7zip.com Is Serving Malware
A convincing lookalike of the popular 7-Zip archiver site has been silently turning victims’ machines into residential proxy nodes.
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Welcoming Discord users amidst the challenge of Age Verification
Matrix, the open protocol for secure decentralised communications
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Reports of Telnet's death have been greatly exaggerated
Terrace runs sensors attackers cannot tell from real targets. We see new attack sources first, record what they do, and ship the block rules while the attack is still running.
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The Day the Telnet Died
On January 14, 2026, global telnet traffic observed by GreyNoise sensors fell off a cliff. A 59% sustained reduction, eighteen ASNs going completely silent, five countries vanishing from our data entirely. Six days later, CVE-2026-24061 dropped. Coincidence is one explanation.
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Upcoming changes to Let's Encrypt and how they affect XMPP server operators
On 11th February, Let’s Encrypt will be rolling out a change to the certificates they issue to servers by default. Although there is generally nothing that Prosody operators need to do, servers using the new certificates may experience problems connecting to some other XMPP servers on the network.
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We have ipinfo at home or how to geolocate IPs in your CLI using latency
TLDR: I made a CLI tool that can resolve an IP address to a country, US state and even a city. https://github.com/jimaek/geolocation-tool It works well and confirms ipinfo's findings. Recently, I read how ipinfo finally proved what most technical people assumed: VPN providers don't actually maintain
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Disrupting the largest residential proxy network
IPIDEA’s proxy infrastructure is a component of the digital ecosystem leveraged by a wide array of bad actors.
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A first look at Aperture by Tailscale (private alpha)
Aperture is an AI gateway that doesn't get in the way of developers, and works with most AI tools.
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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.
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Route leak incident on January 22, 2026
An automated routing policy configuration error caused us to leak some Border Gateway Protocol prefixes unintentionally from a router at our Miami data center. We discuss the impact and the changes we are implementing as a result.
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From stealth blackout to whitelisting: Inside the Iranian shutdown
Iran is in the midst of one of the world’s most severe communications blackouts. This post uses Kentik data to detail how this historic event unfolded, where this event lies in the context of previous Iranian shutdowns, and finally discusses what might be in store next for Iran.
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TeraWave Satellite Communications Network
Blue Origin today announced TeraWave, a satellite communications network designed to deliver symmetrical data speeds of up to 6 Tbps anywhere on Earth.
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TrustTunnel: AdGuard VPN protocol goes open-source
Today is a big day for us, and for everyone who cares about transparency, privacy, and having full control over their own traffic. We’re finally open-sourcing the protocol that powers AdGuard VPN. And it now has a name: TrustTunnel.
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What came first: the CNAME or the A record?
A recent change to 1.1.1.1 accidentally altered the order of CNAME records in DNS responses, breaking resolution for some clients. This post explores the technical root cause, examines the source code of affected resolvers, and dives into the inherent ambiguities of the DNS RFCs.
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Sending Data over Offline Finding Networks
The following is a summary of an internal research project conducted by Hudson H. and Andrew G.
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A closer look at a BGP anomaly in Venezuela
There has been speculation about the cause of a BGP anomaly observed in Venezuela on January 2. We take a look at BGP route leaks, and dive into what the data suggests caused the anomaly in question.
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There were BGP anomalies during the Venezuela blackout
The Low Orbit Security Radar is a weekly security newsletter from an offensive practitioner's perspective. One idea, curated news, and links worth your time. News: There Were BGP Anomalies During The Venezuela Blackout When watching the situation in Venezuela unfold, the phrase "It was dark, the lights of Caracas
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Unifi Travel Router
Take your UniFi network anywhere. The UniFi Travel Router recreates your full network environment on power up, with flexible uplinks, instant policies, and seamless device connectivity.
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ARIN Public Incident Report – 4.10 Misissuance Error
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 …
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Chat-tails: Throwback terminal chat, built on Tailscale
Brian Scott made an app that's safe, simple, and educational for kids to chat in, using Tailscale's tsnet and connectivity.
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VPN location claims don't match real traffic exits
17 out of 20 popular VPNs exit traffic from different countries than they claim. Dig into what that means and why it matters in our VPN report.