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The most popular blog posts about networking & internet on Hacker News. 255 posts.
init7 recently announced that with their FTTH fiber offering Fiber7, they will now sell and connect you with 25 Gbit/s (Fiber7-X2) or 10 Gbit/s (Fiber7-X) fiber optics, if you want more than 1 Gbit/s. While this offer will only become available at my location late this year (or possibly later due to the supply chain…
Now that our platforms are up and running as usual after yesterday’s outage, I thought it would be worth sharing a little more detail on what happened and why — and most importantly, how we’re lear…
HTTP/3 promises speed and efficiency, but does it actually deliver? In our latest article, we put HTTP/3 to the test,comparing it against HTTP/2 in real-worl...
Zero-Click Zip TL;DR
Writing your own TCP/IP stack may seem like a daunting task. Indeed, TCP has accumulated many specifications over its lifetime of more than thirty years. The core specification, however, is seemingly compact[^tcp-roadmap] - the important parts being TCP header parsing, the state machine, congestion control and…
There is a lot more on the internet than just social media and banking websites…
Using Tor to aid various system administration tasks, including checking firewall rules, bypassing internal network restrictions and connecting to remote systems that are behind NAT/CGNAT.
Thanks to Nagli and d0xing for helping figure out what was happening with this issue.
Broadband services are a wonderful innovation of our time, using multiple frequency bands (hence the name) to carry signals over wires (us...
FTP was first published the 16th of April 1971
Turns out printing doesn't have to be hard
You can build a functional CDN on an 8-year-old laptop while you're sitting at a coffee shop. Here's what a CDN you put together in five hours might look like.
Using the Jitsi iFrame API and mobile SDK, you can embed meetings in any web or mobile app. Learn how to build a custom video experience using our services.
I love Europe, and I want to see the European Union succeed. I also love the Internet, and I want to see it thrive as well. And it therefore pains me that it now appears that the European Union might inadvertently be picking an ugly fight with “The Internet”. UPDATE: I am EXCEPTIONALLY happy to report that through…
In March, I got an email from SpaceX saying Starlink was available at my address, and I could pre-order. I paid $500 for the equipment, plus $25 for a Volcano Roof Mount, and $99 for the first month of service, and a few weeks later, I got the kit you see in the image above. I was a little too excited about getting…
tl;dr: My ISP’s CGNAT session timeout is too short, meaning TCP keepalives gets dropped. Test if your own NAT, or your ISP’s CGN, violates RFC5382 ‘s REQ-5 using this tool: https://github.com/AndersTrier/NAT-TCP-test .
If you are going to work remotely anywhere in Australia from a van, you need damn good internet. Here's how I put together a vehicle with the best internet connectivity in Australia.
In this research paper James Kettle introduces multiple new classes of HTTP/2-exclusive attacks, demonstrated on popular websites and servers.
How to use SPF, DKIM, and DMARC to improve your domain's email security and limit spoofing - but written for humans.
The Terramaster NAS decided to expose itself to the public internet without asking. Let's see what we can do about it.
Everyone loves a comeback story. Can a 20 year old overlooked technology make a comeback as a completely decentralized, free, and scalable technology for the growing masses of people who value freedom and privacy?
A visualization of the Internet made using network routing data. Image: Barrett Lyon, opte.org.
For years, Wi-Fi packet capturing in the Mac has always worked reliably out of the box. Unfortunately, packet capturing is now broken in the new M1 Mac.
Signal released end-to-end encrypted group calls a year ago, and since then we’ve scaled from support for 5 participants all the way to 40. There is no off the shelf software that would allow us to support calls of that size while ensuring that all communication is end-to-end encrypted, so we bui...
