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The most popular blog posts about networking & internet on Hacker News. 3,019 posts.
This is the story of a bug that was discovered and fixed in Telegram’s self-rolled cryptographic protocol about seven years ago. The bug didn’t get any press, and no one seems to know about it, probably because it was only published in Russian.
Science News, Physics, Science, Philosophy, Philosophy of Science
Upgraded to WiFi 7 expecting 1.7 Gbps speeds. Got 400 Mbps instead. Here's what was actually wrong and how I fixed it.
自2011年以来用技术对抗审查。我们使用AI监控审查并在全球范围内扩大言论自由。
Getting a fiber Internet connection to your home is a big deal! It’s probably the last physical connection you’ll ever need, due to the virtually unlimited bandwidth, stability, performance, and attainable speeds.
A “distrust” is when a certification authority (CA) that issues HTTPS certificates to websites is removed from a root store because it is no longer trusted to issue certificates. This means certificates issued by that CA will be treated as invalid, likely causing certificate error interstitials in any browser that…
Network data observed by the NetBlocks Internet Observatory indicate network disruptions in Russia on Saturday 23 January 2021. The outages come amid protests against the detention of prominent opposition activist ...
I have another post about half-written that I will finish up and publish soon, but in the mean time I have been thinking today about something that perennially comes up in certain orange-tinted online communities: running your own mail server.
Bartek Wydrowski, Google Research; Robert Kleinberg, Google Research and Cornell; Stephen M. Rumble, Google (YouTube); Aaron Archer, Google Research
Learn how DNS works: hierarchy, records, TTL caching, and the full resolution process with diagrams.
An overview of all the DNS record types. Each DNS record type is briefly explained, and extensive explanations are available in linked articles.
This is annecdata - not a serious academic study. Adjust your expectations accordingly. When I first got online, the World Wide Web was still in its infancy - so CompuServe was my gateway to the Internet. I loved their well organised chat room. A couple of clicks and I could be discussing Babylon 5 with people in…
This article explores 5 SSH best practices you should observe to boost the security of your infrastructure.
Today we allocated the last of our contiguous /22 IPv4 address blocks. We still have approximately one million addresses available, in the form of /23s and /24s, and we will continue making /22-equivalent allocations made up of these smaller blocks. Once we can no longer allocate the equivalent of a /22, we will…
Matrix, the open protocol for secure decentralised communications
With strong initial reviews, the HiFive Premier P550 Development Boards with pre-installed Ubuntu are in stock and available for purchase. We’re excited to announce the general availability of the Premier P550 in both 16GB & 32GB configurations.
What we're doing at my new startup [Network Next](https://networknext.com) :rocket:
Tim Perry recently claimed in an article that “Android 14 blocks all modification of system certificates, even as root”. This sparked significant discussion on Hacker News. Thankfully my tests show that it is still possible to adjust the system certificate store in Android 14.
How Google prepares for and protects against the largest volumetric DDoS attacks.
After almost 2 years, the world record of 702 km (436 miles) has been broken. Not once but twice. For a long time this record which was set on 26th of August 20
The goal is to connect a non-WiFi computer to a WiFi network using a Raspberry Pi. We will use a Raspberry Pi 4 Model B as a bridge between the non-WiFi computer and the WiFi network. The Raspberry Pi connects to WiFi and shares its connection with other computers over Ethernet. These instructions were only tested and…
On June 15 we're showing how Matter will work and guide you in getting it set up.
This week's Internet cable cuts in the Baltic Sea have been widely reported, even as attempts to understand their cause and impact continue. We turn to RIPE Atlas to provide a preliminary analysis of these events and ask to what extent the Internet in the region has been resilient to them.
Setting up WireGuard VPN on FreeBSD 14.3: PF firewall, routing between networks, and peer-to-peer VPN between FreeBSD and Arch Linux
Posted by Nicolas Lidzborski, Senior Staff Software Engineer, Google Cloud and Nicolas Kardas, Senior Product Manager, Google Cloud We’re...
Meter is currently tracking an issue that is affecting M1/M2 Macbooks and leading to slow internet connection, drops in Zoom calls, and entirely losing a Wi-Fi connection.
At Photon, we are developing the world’s most complete iMessage API (with RCS and SMS fallback) for agents: infrastructure that lets Agents reliably communicate through one of the most native messaging interfaces people already use. While building it, we run Mac-backed systems continuously and care a lot about making…
