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Networking & Internet

The most popular blog posts about networking & internet on Hacker News. 189 posts.

2016
34

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…

38

House Passes Bill to Sabotage Net Neutrality

H.R. 2666 Would Undermine FCC’s Charge to Protect the Open Internet In a disappointing turn of events, the U.S. House of Representatives voted 241 to 173 to pass H.R. 2666, the No Rate Regulation of Broadband Internet Access Act, a bill that would undermine the FCC’s ability to enforce key net...

47

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…

53

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…

57

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…

58

IPv6 Support for EC2 Instances in Virtual Private Clouds

Update (7/13/2017): Since this post was published, IPv6 supported has been extended and now supports 15 Regions and Multiple AWS Services. The continued growth of the Internet, particularly in the areas of mobile applications, connected devices, and IoT, has spurred an industry-wide move to IPv6. In accord with a…