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The most popular blog posts about networking & internet on Hacker News. 3,019 posts.
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…
In a recent blog post we explained how to tweak a simple UDP application to maximize throughput. This time we are going to optimize our UDP application for latency. Fighting with latency is a great excuse to discuss modern features of multiqueue NICs.
A technical dive into traditional TCP proxying over HTTP
Guest Post: Traffic going through a public DNS in Taiwan was rerouted to an entity in Brazil for about three and a half minutes.
INTRO Last Friday evening, I received a tip via telephone, “You should go to the Houtem tower tomorrow morning. Jump may work on the network.” Unfortunately I couldn’t make it back to Houtem. But i…
When to reach for a well-known URI — and the traps that catch most protocol designers.
I was always curious about all that bad guys (criminals, drug dealers, hitman’s, thief’s etc.) using not very good and secure communication channels. Forgetting about whole OPSEC stuff. There is a lo
Safari 11 was the first Safari version to support WebRTC.
The ESP32 is a popular microcontroller to use for do-it-yourself home automation, sensors, and a variety of other bits and bobs that you might want to take care of around the house. It’s the successor to the venerable ESP8266 which has found its way into many of our WiFi connected devices (seriously, open up a device…
Starting since version 1.30, the Mac, Linux, and Windows Private Internet Access (PIA) desktop clients have come with the ability to change the selected
Documentation and guides from the team at Fly.io.
QUIC (Quick UDP Internet Connections) is a new encrypted-by-default Internet transport protocol, that provides a number of improvements designed to accelerate HTTP traffic as well as make it more secure, with the intended goal of eventually replacing TCP and TLS on the web.
The European Global Navigation Satellite System Galileo has recently been suffering from frequent "almost disruptions", most likely partially due to Corona, and possibly also due to Brexit, but in any case due to some historical stinginess. Before I explain what is going on, I should hasten to say that most days of…
How to Kill a Decentralised Network (such as the Fediverse) par Ploum - Lionel Dricot.
In this little piece I'll explain why there won't be any version 8 of curl and libcurl in a long time. I won't rule out that it might happen at some point in the future. Just that it won't happen anytime soon and explain the reasons why. Seven point twenty nine, really? We've done 29 … Continue reading Why no curl 8 →
CURRYFINGER quickly and effectively identifies the real hosts behind CDN networks like CloudFlare - and outperforms existing tools. Find out how to use it.
The Internet is built on the mutual understanding of network protocols and practices, and most of those protocols are defined using Request For Comments (RFC) or Best Common Practices (BCP) documents.
At 7:30 PM PST on January 12th, access to Twitter from Tweetbot and many other 3rd party apps have stopped working. We've reached out to Twitter for more details, but as of yet have not heard anything back.
Serve sites over Dat and HTTPS, with automatic certificate provision.
At Revision 2025, we released "Signal Carnival" ( csdb , YouTube ). This demo asks you to switch the audio and video cable of your C64:
Over the past few months, we’ve been experimenting with DNS-over-HTTPS (DoH), a protocol which uses encryption to protect DNS requests and responses, with the goal of deploying DoH by default ...
When a browser connects to websites over HTTPS (vs. HTTP), eavesdroppers and attackers on the network can't intercept or alter the data that...
Apple Inc. endorsing H&R Block with a beautiful bright green banner ad, compliments of CMA Communications. Tired from the day’s ev...
Those of you who have been around for a while may remember a time when you used to be able to mount kernel.org directly as a partition on your system using NFS (or even SMB/CIFS). The Wayback Machine shows that this was still advertised some time in January 1998 , but was removed by the time the December 1998 copy was…
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