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Lasershark: Fast, bidirectional communication into air-gapped systems
We present a novel approach to infiltrate data to air-gapped systems without any additional hardware on-site.
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The latest blog posts to take off on Hacker News. 282 posts.
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SSH into private machines from anywhere using Cloudflare Tunnel
SSH to machines in private networks using an SSH key, from anywhere in the world, using Cloudflare Tunnel.
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Our User-Mode WireGuard Year
For better or worse, flyctl isn't boring. Here's why.
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Exposing a web service with Cloudflare Tunnel
What if you could host a web service with no ports exposed? With Cloudflare Tunnel, you can!
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Spam blacklisting is out of control
If you got shuned by the society not because of what you did but what your neighbor did, you will cry bloody injustice. This is exactly what is happening in SPAM blacklisting.
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I took down my Starlink dish (but haven't cancelled)
Today's video is about Starlink—I've had an active subscription since last February, and as it's been a year, I figured I should post an update. The tl;dr: when I had a new roof put on late last summer, I took down 'Dishy McFlatface', but I haven't put the dish back up. I have been holding out hope I could transfer my…
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Starlink adds another 100Gbps connection to the SeattleIX
Netskope (AS55256) has added 1x100G, bringing their capacity to a total of 2x100G and 1x100G. They are connected to the route servers.
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How to stop running out of ephemeral ports and love long-lived connections
Often programmers have assumptions that turn out, to their surprise, to be invalid. From my experience this happens a lot. Every API, technology or system can be abused beyond its limits and break in a miserable way
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Why and How I Got My Own ASN
In this article, I'll explain how, and why I acquired an Autonomous System Number and some IPv6 addresses.
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Origin of the Bluetooth Name
About Us We all recognize the “Bluetooth” brand, but we take for granted its significance and how much it impacts our lives. From smartphones to headphones and beyond, we rely on Bluetooth technology…
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Push Notifications, WebXR, and better PWA support coming to iOS
New APIs, capabilities, bugs, and challenges for Safari and PWAs running in iOS 15.4 and iPadOS 15.4, including Web Push Notifications, WebXR
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The GNU Name System
This document provides the GNU Name System (GNS) technical specification. GNS is a decentralized and censorship-resistant domain name resolution protocol that provides a privacy-enhancing alternative to the Domain Name System (DNS) protocols. This document defines the normative wire format of resource records…
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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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Things we finally know about network queues (2017)
How big should your queue be, and what should you do when it fills up? Many times, we implement or even deploy a networking system before w...
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The Smart Modem
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…
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IP Addressing in 2021
What can IPv4 and IPv6 addressing in 2021 tell us about the changing nature of the network?
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Starlink satellites hindering detection of near-Earth asteroids, study finds
A study of archival images from Zwicky Transient Facility shows an increase in satellite streaks.
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The most backdoor-looking bug I’ve ever seen (2021)
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.
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The curious case of the Raspberry Pi in the network closet (2019)
Personal Blog of Christian Haschek
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AWS Lambda now supports IPv6 endpoints for inbound connections
Discover more about what's new at AWS with AWS Lambda now supports Internet Protocol Version 6 (IPv6) endpoints for inbound connections
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Protocols that have not changed in the last 30 years
Are you tired of heavy web pages, browser pop-ups, flashing banners, N-factor authentication, user tracking and analytics? Well, there are…
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SSH Bastion Host Best Practices
Learn 14 best practices to build and deploy a security-hardened SSH bastion host based on OpenSSH server.
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Ghost in the ethernet optic
A few months ago I stumbled on a tweet pointing out a kind of SFP optic that claimed to be smart, made by a Russian company Plumspace . After going through their Smart SFP product listings I was on-board and decided I needed to have some of them.
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The next big Wi-Fi standard is for sensing, not communication (2021)
Sometime in 2024, the IEEE will unveil a new 802.11 standard that will bring new capabilities to everyone’s favorite wireless communication standard. But the upcoming 802.11bf standard isn’t for communication — it’s for sensing. The newest version of Wi-Fi layers on the ability to sense people or objects by using math…
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