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The most popular blog posts about networking & internet on Hacker News. 282 posts.
VideoLAN’s URL from which users download the VLC Media Player appears to have been banned by the DoT in India since March 2021. This was done without any prior notice, or affording VideoLAN an opportunity of hearing, which is contrary to the Indian law.
We have expanded our DNS blocking service with Gambling and Adult content filters!
I have been playing with some LTE recordings to brush up my knowledge, since it isn’t a protocol I’m very familiar with. I’m specially interested in understanding the structure and properties of all the pilot signals. Textbooks and documentation are great, but nothing beats getting your hands dirty with some IQ…
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Dan Gibson, Hema Hariharan, Eric Lance, Moray McLaren, Behnam Montazeri, Arjun Singh, Stephen Wang, Hassan M. G. Wassel, Zhehua Wu, Sunghwan Yoo, Raghuraman Balasubramanian, Prashant Chandra, Michael Cutforth, Peter Cuy, David Decotigny, Rakesh Gautam, Alex Iriza, Milo M. K. Martin, Rick Roy, Zuowei Shen, Ming Tan, Ye…
On March 8, we experienced a global outage triggered by issues in a cloud-hosted service discovery system used at Spotify. We were made aware of issues with login at 18:12 UTC / 13:12 ET and started implementing fixes to critical systems at 18:39 UTC / 13:39 ET. This outage affected our users and we apologize for the…
What can IPv4 and IPv6 addressing in 2021 tell us about the changing nature of the network?
Guardian Project has been awarded a grant from the Filecoin Foundation for the Decentralized Web (FFDW) to work on decentralizing veracity and distribution (...
A quick explanation of the differences between network failures most commonly observed in day to day operatoins. And no, it's not (always) DNS.
Phone numbers containing "555" are not just used for the movies, and yes, some numbers are indeed real.
Once you head away from the areas that are serviced by modern terrestrial cable infrastructure, the available digital communications options are somewhat limited. Some remote areas are served using High Frequency radio systems, using radio signals that bounce off the ionosphere to provide a long distance, but limited…
Gigabit ethernet has been around for a long time, it’s so ubiquitous that there is a very strong chance that if you have a RJ-45 port on your computer, it’s going to be a gigabit ethernet network interface.
Learn about three different antennas carried by SparkFun, and determine which will suit your long-range needs!
An introduction to QUIC and its potential for censorship resistance, as well as a survey of current QUIC blocking in China, India, Russia and Uganda.
Everybody knows a DNS response needs to fit into a 512 byte UDP packet, right? But suppose it doesn't fit...
I think I've mentioned occasionally that various devices, mostly cellular modems, just use the Hayes or AT command set. Recently I obtained a GPS tracking device (made by Queclink) that is, interestingly, fully configured via the Hayes command set. It's an example of a somewhat newer trend of converging the…
Martin Kotuliak, Simon Erni, Patrick Leu, Marc Röschlin, and Srdjan Čapkun, ETH Zurich
This post is going to be a bit different from my usual posts. It’s still about computers, but it’s about a different type of computer: the computer modules in my 2009 Dodge Ram 1500 pickup. Vehicles these days have lots of computers in them. I’ve historically been afraid to mess too much with them in fear of screwing…
When you hear the term, you should picture an hourglass with M things on one side, N on the other, and an important concept in the middle.
PagerDuty went off very early in the morning, and our hero cursed his bad luck and received the phone call. He made PagerDuty repeat the message twice, but couldn’t understand the message. He pressed the number to acknowledge the incident. He opened the MacBook and found the slack message from the PagerDuty bot more…
I haven't written for a bit, in part because I am currently on vacation in Mexico. Well, here's a short piece about some interesting behavior I've noticed here.
There is a common view out there that the QUIC transport protocol (RFC 9000) is just another refinement to the original TCP transport protocol [ 1 ] [ 2 ]. I find it hard to agree with this sentiment, and for me QUIC represents a significant shift in the set of transport capabilities available to applications in terms…
Automating Verizon number searches to find rare phone numbers with repeating digits.
We are excited to announce that PGPP (Pretty Good Phone Privacy) is now in Beta.
End-to-end encryption is the foundation of the Proton ecosystem. Here’s what E2EE means, and how it protects you.
