2011
All quiet in the IPv4 Internet?
Guest Post: A new study measures 1.2 billion unique IPv4 addresses to provide a glimpse of what IPv4 usage activity looks like.
Topics /
Networking & Internet
The most popular blog posts about networking & internet on Hacker News. 3,019 posts.
2012
PixieFail: Nine Vulnerabilities UEFI Implementations
This blog post provides details about nine vulnerabilities affecting the IPv6 network protocol stack of EDK II, TianoCore's open source reference implementation of UEFI.
2013
Uganda's internet Shutdown
Two days ago, through its communications regulator, Uganda's government ordered the "Suspension Of The Operation Of Internet Gateways" hours before the country's general election. This action was confirmed by several users and journalists who got access to the letter sent to Internet providers.
2014
ArXiv's Updated Rate Limit Policy
arXiv, and the scientific community at large, are facing a watershed moment. Scholarly publishing is currently changing at a rapid pace, and we are seeing a…
2015
The day I was DoSed by Google
I launched my startup this week. On a very modest scale, no debauched parties or penthouse offices on scads of VC money, just me and ...
2016
I/O Multiplexing (select vs. poll vs. epoll/kqueue)
Problems and Algorithms
2017
Proton Meet
Protect the conversations that matter with a secure, end-to-end encrypted video conferencing from Proton.
2018
2019
2020
Beginners guide to gateways and proxies
Have you heard of gateways, proxies, load balancer, API gateways? This article explains what gateways are, what is their purpose and how they work with pract...
2021
How WhatsApp enables multi-device capability
For years, people have been asking us to create a true multi-device experience that allows people to use WhatsApp on other devices without requiring a smartphone connection. Today, we’re announcing…
2022
2023
Fun with Kermit and ZMODEM over SSH
Fun with Kermit and ZMODEM file transfers over SSH using Qodem
2024
Decentralize Messaging
Twitter is funding a team to decentralize social media. I think they should start with messaging.
2025
Strength in Numbers: An Entire Ecosystem Relies on Tor
If the Tor Project, the Tor network, and Tor Browser were to disappear, what would happen? Not only would millions of global, daily users lose access to Tor’s software, but the diverse ecosystem of privacy, security, and anti-censorship applications that rely on the Tor network would cease to function.
2026
Geolocation and Starlink
"Where are you?" is not an easy question to answer on the Internet. The telephone system's address plan embedded a certain amount of physical location information in the fixed line network, and a full E.164 telephone number indicated your location in terms of your country, and your area within that country. The…
2027
CloudFlair: Bypassing CloudFlare using Internet-wide scan data
Cloudflare is a service that acts as a middleman between a website and its end users, protecting it from various attacks. Unfortunately, those websites are often poorly configured, allowing an attacker to entirely bypass Cloudflare and run DDoS attacks or exploit web-based vulnerabilities that would otherwise be…
2028
Investigating the Galileo Satellite Navigation System Outage with a LimeSDR
You may have already heard that the Galileo EU satellite navigation constellation is out of service since last Thursday July 11th. Currently the Galileo constellation status page shows that the status of most Galileo satellites is not usable because of a service outage. The satellites not affected by this outage are…
2029
New Functionality: Bluetooth for Raspberry Pi Pico W
Raspberry Pi Pico W, our wireless-enabled variant of our Pico platform, built around our RP2040 microcontroller, now has Bluetooth support.
2030
Building an OpenBSD Router
The Ultimate OpenBSD Router
2031
Cilium 1.0: Bringing the BPF Revolution to Kubernetes Networking and Security
The past few months have been incredibly exciting for the Cilium and BPF community, with rapid adoption and contributions from major ...
2032
DisplayPort and 4K
The Problem Video playback looks better with a higher scan rate. A lot of content that was designed for TV (EG almost all historical documentaries) is going to be 25Hz interlaced (UK and Australia)…
2033
Same day ACH: moving payments faster in the USA
New capabilities of Same Day ACH become effective over phases to allow financial institutions and businesses to acclimate to a faster processing environment, as well as to ease the implementation effort. Beginning September 15, 2017, Same Day ACH is available for debit entries, enabling the same-day processing of…
2034
5G and Shannon’s Law
Why 5G's faster data rates are possible: Shannon's Law explained in plain language.
2035
Replacing HLS/Dash – Live Mass Fanout with Media over QUIC
Media over QUIC: Low-latency, high bitrate, mass fan-out is hard. Who knew?
2036
AT&T Hotspots: Now with Advertising Injection
While traveling through Dulles Airport last week, I noticed an Internet oddity. The nearby AT&T hotspot was fairly fast—that was a pleasant surprise.
2037
An update on attempted man-in-the-middle attacks
Posted by Heather Adkins, Information Security Manager Today we received reports of attempted SSL man-in-the-middle (MITM) attacks again...
2038
Unix Domain Sockets vs Loopback TCP Sockets (2014)
Two communicating processes on a single machine have a few options. They can use regular TCP sockets, UDP sockets, unix domain sockets, or shared memory. A recent project I was working on used Node…
2039
2040
Subsea Cable to Connect Asia, Europe, and North America Through the Arctic
Cinia agreed to start a project to build a new subsea cable in the Arctic with Alaskan company Far North Digital.