The latest blog posts to take off on Hacker News. 3,021 posts.
Introduction Google has a long history of performing networking research, making changes, and pushing those changes to the entire internet. In 2011, they published one of my favorite papers, which described their decision to increase the TCP initial congestion window from 1 to 10 on their entire infrastructure. This…
Report incorrectly blocked sites on UK ISP and mobile networks.
Sovereign code infrastructure.
OpenSSH post quantum cryptography
Fool me once, shame on you; fool me twice, shame on me.
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.
A technical investigation into information uncovered in a class action lawsuit that Facebook had intercepted encrypted traffic from user's devices running the Onavo Protect app in order to gain competitive insights.
Ubiquiti just released UniFi OS Server in Early Access, allowing you to self-host the complete UniFi network stack on your own hardware. Initially, it will support UniFi Network and Innerspace. Besides UniFi Network and InnerSpace,
You are seeing this because the administrator of this website has set up Anubis to protect the server against the scourge of AI companies aggressively scraping websites . This can and does cause downtime for the websites, which makes their resources inaccessible for everyone.
An intuitive and ground-up introduction to I/Q signals. Learn the foundational concepts through clear geometric analogy perfect for beginners
For the last month, I’ve been using XMPP (using Snikket) for every call and chat between me and my wife Sandra, at least.
To @AndrewHart: “Our app is shit and we know it’s shit”. My life changed forever when a senior exec from one of the world’s largest retailers messaged me on Twitter. This was back in 2017. My outdoor AR navigation demos had just gone viral, and my new open-source project for...
Learn how a Google spoof used a DKIM replay attack to bypass email security and trick users with a fake subpoena in this real-world phishing case.
© 2025 Peter N. M. Hansteen Long rumored and eagerly anticipated by some, the fourth edition of The Book of PF is now available for ...
The Matrix.org network has great potential, but after years of dealing with glitches, slow performance, poor UX, and one too many failures, I’m done with it.
On a QWERTY keyboard
Matrix, the open protocol for secure decentralised communications
On July 14th, 2025, Cloudflare made a change to our service topologies that caused an outage for 1.1.1.1 on the edge, resulting in downtime for 62 minutes for customers using the 1.1.1.1 public DNS Resolver as well as intermittent degradation of service for Gateway DNS. We’re deeply sorry for this outage. This outage…
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…
This post is written by a human being (me).
Post describing how I've configured pihole to return different results to clients on my tailnet than those on the LAN.
I love DNS esoterica. Weird little things that you can shove in the global directory to be distributed around the world instantly(ish). Domain names, like www.example.com usually resolve to servers. As much as we think of "the cloud" as being some intangible morass of ethereal Turing-machines floating in probability…
In this article I want to document my journey implementing fast TCP fingerprinting in a golang webserver, using eBPF.
A technical blog about Rust, Linux and other topics.
There are secret messages flying all around you all the time, being transmitted via, most of the time, electromagnetic waves going from antenna to antenna. ELOs “Secret Messages” is a song about posting conspiracy theories via WiFi. But what if you need to get a few bytes from device A to device B (one of the hard…
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.
Matrix, the open protocol for secure decentralised communications
