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OS X 10.10.3 seems to have done something bad to wifi drivers
As a PSA (public service announcement), I'm reporting here that updating your Yosemite system to 10.10.3 is incredibly toxic if you use WiFi...
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 1,615 posts.
1202
How to build a Linux-based wireless router out of spare parts (1998)
This is a brief mini-howto on how to build a linux based wireless router out of what amounts to spare parts, using the linux router project's single disk router software. The total cost of each end of the router, including antennas and cabling, is less than 1300 US dollars, which is a considerable cost savings over…
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How did Facebook intercept competitor's encrypted mobile app traffic? (2024)
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.
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How to run phones while being struck by suicide drones
In Ukraine suicide drones strike critical infrastructure regularly. Some outages are caused directly by the attacks - destroyed power plants, substations, transformers, power lines, some are scheduled in advance - power grid wasn’t designed to work while some of its power plants and transformers are destroyed and are…
1206
TCP is an underspecified two-node consensus algorithm
I recently found myself dealing with TCP load balancing for a project and I've come to think that generic TCP proxies can't be implemented without substantial pain and how it makes TLS terminating proxies a bad idea.
1207
Advanced Tor Browser Fingerprinting
The ability to privately communicate through the internet is very important for dissidents living under authoritary regimes, activists and basically everyone concerned about internet privacy.
1208
Dissecting an SSL Certificate (2017)
Dissecting an SSL certificate
1209
Wireshark 4.6.0 Supports macOS Pktap Metadata (PID, Process Name, etc.)
Four years after my post on doing network captures on macOS with Process ID, Wireshark 4.6.0 has been released which includes support for parsing this…
1210
Bringing up 802.11ac on FreeBSD
I've been chipping away at bringing up 802.11ac on FreeBSD. I've been meaning to write this post for a while, but you know, life got in the ...
1211
ActivityPub Could Be the Future
You’ve heard of stuff like Twitter, Facebook, and Instagram. Make an account on one, and it only works there. You can’t send a DM to your friend on Twitter from Facebook Messenger. You can’t browse your friend’s Instagram feed from Twitter. Each one is closed off
1212
XMPP: The Gem of Instant Messaging
Posts about SmolWeb, Gemini protocol and LowTech
1213
5G: if you build it, we will fill it
What is 5G? Why do we care? How much faster does the pipe get? What can we do with a fatter pipe? How does this relate to VR? Cars? Broadband? What’s the killer app? Really, unless you work in a few very narrow niches, you shouldn’t spend much time thinking about it.
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Starlink is a big deal
Part of my series countering misconceptions in space journalism. Now available in audio form. Starlink, SpaceX’s plan to serve internet via tens of thousands of satellites, is a staple in the…
1216
OpenVMS 9.2 for x86: Auto boot, licenses, PAKs, networking and SSH
Published: 15-04-2023 22:30 | Author: Remy van Elst | Text only version of this article
1217
Why is Bitcoin forking?
A tale of differing visions
1218
Staying Out of TTL Hell
Cache strategies that don't trade-off correctness for speed
1219
HTML Live Video Streaming Via WebSockets
When I built my Instant Webcam App, I was searching for solutions to stream live video from the iPhone's Camera to browsers. There were none.
1220
How Big is Email?
Estimating the size of the world’s communications.
1221
Fuck Cloud Messaging
Ever tried to send a push notification to your phone? How hard can it be? I was surprised when I tried to push a simple push notification without involving a third party. It's not just hard they have made it near impossible to send a simple push notification without subscribing to their service. Moreover it doesn't…
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TOTP SSH port fluxing
Some people change their SSH port on their servers so that it is slightly harder to find for bots or other nasties and while that is generally viewed as an action of security through obscurity it does work very well at killing a lot of the automated logins you always see in /var/log/auth.log .
1226
Verizon made an enemy tonight
On a flight back to New York I read Level 3’s assessment of the latest round of the Netflix vs Internet Provider debacle. The summarized version is that basically Netflix is slow because Verizon refuses to add capacity to peer with Level 3. Fixing the situation would cost Verizon
1227
TCP Performance problems related to Nagle’s Algorithm and Delayed ACK (2005)
This page describes a TCP performance problem resulting from a little-known interaction between Nagle’s Algorithm and Delayed ACK. At least, I believe it’s not well known: I haven’t seen it documented elsewhere, yet in the course of my career at Apple I have run into the performance problem it causes over and over…
1228
Who reads your email?
A look at diversity of MX records across all gTLDs and the Top 1M domains, indicating where SMTP is concentrated and what organizations might have broad access to the world's emails.
1229
Why I Live in IRC (2015)
I have lived in IRC for about 7 years. What I mean by this is that IRC has been my primary hub for reading information online and interacting with people and systems. I don't use an RSS reader, I visit Twitter and Facebook only ...
1230
Only distributed fact-checking can keep up with democratized distribution
Tragedy of the comments