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New LoRa RF distance record
The long term LoRaWAN® distance world record of 832 km / 517 mi has been broken. The new record now stands at 1336 km / 830 miles. After 3 years, the new world
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 1,406 posts.
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Google's Subsea Fiber Optics
Fiber optic networks are a foundation of the modern internet. In fact, subsea cables carry 99% of international network traffic , and yet we are barely aware that they exist. What you might not know is that the first subsea cable was deployed in 1858 for telegraph messages between Europe and North America. A message…
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The Miserable State of Modems and Mobile Network Operators
This is a story of the complexities of cellular connectivity, the perils of closed ecosystems, and how to debug what you cannot see.
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NAT Is the Enemy of Low Power Devices
If you have ever tried communicating with a device on a private network, you may have encountered Network Address Translation (NAT). Because the number of connected devices has long outpaced the number of unique addresses in the IPv4 address space, public IP addresses have to be shared between devices. This introduces…
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Remembering the LAN (2020)
Learn more about the early days of LAN.
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LoRaWAN packet received at record distance of 702 km
With the rise of novel wireless technologies, we surprise ourselves over and over again of what these technologies are capable of. LoRa has been around now for
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How Cloudflare analyzes 1M DNS queries per second
On Friday, we announced DNS analytics for all Cloudflare customers. Because of our scale –– by the time you’ve finished reading this, Cloudflare DNS will have handled millions of DNS queries –– we had to be creative in our implementation.
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Bypassing the Linux kernel for high-performance packet filtering
In two previous posts we've discussed how to receive 1M UDP packets per second and how to reduce the round trip time. We did the experiments on Linux and the performance was very good considering it's a general purpose operating system.
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Cisco's Talos team analysis of WannaCry worm
By Martin Lee, Warren Mercer, Paul Rascagneres, and Craig Williams. Executive Summary A major ransomware attack has affected many organizations across the world reportedly including Telefonica in Spain, the National Health Service in the UK, and FedEx in the US. The malware responsible for this attack is a ransomware…
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Microsoft Shuts off HTTPS in Hotmail for Over a Dozen Countries
UPDATE (3/26/11): HTTPS is again available for those in the countries discussed below. Microsoft denies deliberately blocking access to HTTPS, blaming the problem on a bug: We are aware of an issue that impacted some Hotmail users trying to enable HTTPS. That issue has now been resolved. Account...
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Jitsi Meet Flutter SDK
Flutter‘s initial release occurred in 2017, the same year as the introduction of our mobile apps and mobile SDKs. For those who are unfamiliar with it, Flutter is one of the most popular frameworks for […]
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Apple’s Low Latency HLS differs from the community-developed solution
One bite and all your dreams will come true - Apple. Last week at WWDC, Apple announced their usual cascade of software updates, and as has been tradition for the last 4 years, Roger Pantos took the s...
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Regulations Enabling 6 GHz Wi-Fi
Use the interactive map below to explore the latest global regulations enabling 6 GHz spectrum for Wi-Fi.
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Over 20k servers have their iLO interfaces exposed to the internet
Over 20 thousand servers have their iLO interfaces exposed to the internet, many with outdated and vulnerable versions of FW, Author: Jan Kopriva
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DigiNotar Damage Disclosure (with full list of issued certs)
About an hour ago I was contacted by the Dutch Government with more details about the DigiNotar...
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ATProto spaces: A new extension to ATProto that enables non-public data
Atproto Spaces, formerly known as “the permissioned data protocol,” is a new extension to atproto that enables non-public data. The alpha is now officially open. Here’s how to develop with it and what to expect as we work towards the full release.
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The future is in symmetrical, high-speed internet speeds
Congress is about to make critical decisions about the future of internet access and speed in the United States. It has a potentially once-in-a-lifetime amount of funding to spend on broadband infrastructure, and at the heart of this debate is the minimum speed requirement for taxpayer-funded...
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A transport protocol's view of Starlink
How TCP interacts with the characteristics of the Starlink service.
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Iran blocks Tor; Tor releases same-day fix
The short version: Tor relays and bridges should upgrade to Tor 0.2.2.33 or Tor 0.2.3.4-alpha so...
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Surpassing 10Gb/S over Tailscale
Discover how Tailscale achieved over 10Gb/s throughput on Linux using advanced UDP segmentation and checksum optimizations. Explore benchmarks, results, and the innovations powering wireguard go's latest performance leap.
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IPv6 Day Has Started
SANS.edu Internet Storm Center. Today's Top Story: The Classics Return: Vulnerable E-Mail Scripts;
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Envoy: 7 months later
On September 14, 2016 we announced Envoy, our L7 proxy and communication bus. In a nutshell, Envoy is a “service mesh” substrate that…