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Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 89 posts.
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H.264 is Magic
A high level walkthrough of the basics of video compression techniques used in MPEG, AVC/H.264, codecs.
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Total Nightmare: USB-C and Thunderbolt 3
Did you buy the new MacBook or MacBook Pro? Maybe the Google Pixel? You're about to enter a world of confusion thanks to those new "USB-C" ports. See, that simple-looking port hides a world of complexity, and the (thankful) backward-compatibility uses different kinds of cables for different tasks. Shoppers have to be…
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IP Spoofing
The recording and slides are available, but for easier consumption here's a transcript.
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The End of Gmane?
In 2002, I grew annoyed with not finding the obscure technical information I was looking for, so I started Gmane, the mailing list archive. All technical discussion took place on mailing lists thos…
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Running a Tor Exit Node for Fun and E-mails
The Tor Project is a non-profit organization in the United States that created Tor, The Onion Router, a free software that creates an open network of volunteers which helps people anonymize their traffic by routing it through three or more other computers before it reaches its final destination.
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Taking Over DigitalOcean Domains via a Lax Domain Import System
A Hacker's Blog of Unintended Use and Insomnia.
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SSH for Fun and Profit
In May last year, a new attack on the Diffie Hellman algorithm was released, called Logjam . At the time, I was working on a security team, so it was our responsiblity to check that none of our servers would be affected. We ran through our TLS config and decided it was safe, but also needed to check that our SSH…
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Early Impacts of Let's Encrypt
During the months I worked in Let's Encrypt's operations team I got fairly used to being the go-to man for any question that a database query could solve.…
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Slack client for Commodore 64
Slack is great. Many smarter people than me also think that Slack is great. Slack is great because its simple and easier to deal with than emails. With all t...
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Building a software-defined radio from scratch
The FreeSRP is an affordable software-defined radio (SDR) I decided to design because there were no existing options that filled the gap between the $300 and relatively narrow bandwidth and low resolution HackRF and the better performing USRP s you can get for about $700. Of course it will be fully open source, but…
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The Ethernet PAUSE frame
This is a bizarre one. It all started when the internet seemed to go out at my house. My desktop, phone, TV, everything stopped working. The usual solution at a time like this is to power cycle the modem and router. While this fixed the situation temporarily, soon after the problem returned. What made me think this…
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Serverless Sync in Web Apps Using Bit Torrent
This post explores using WebTorrent for serverless data synchronization in web apps, demonstrated by modifying the Voice Memos PWA. The goal was to enable data sharing between devices without a backend server. The solution involves generating magnet URLs that allow peer-to-peer data transfer via WebTorrent. The demo…
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μWWVB: A Tiny WWVB Station
μWWVB is a watch stand that automatically sets the time on atomic wristwatches where regular WWVB signal isn't available.
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Linux kernel bug delivers corrupt TCP/IP data
(Edit: This article is now up on hacker news, feel free to discuss there)