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Topics /
Networking & Internet
The most popular blog posts about networking & internet on Hacker News. 3,019 posts.
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My home network observes bedtime with OpenBSD and pf
The files mentioned in this article are available for viewing or cloning here: the 'pf-bedtime' repo .
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FlyWeb – Pure Web Cross-Device Interaction
FlyWeb is an experimental project we’ve been prototyping from within the depths of Mozilla’s platform division. It started as a side-project late last year, and since then a small, ad-hoc ...
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Hyperlocal Mesh Networks
The NY Times has a post up this morning about a neighborhood in Brooklyn called Red Hook where they have built a hyperlocal mesh network to service the entire neighborhood, from housing projects to townhouses. Red Hook is a cool place. We were there last night to sample Hometown Bar-B-Que‘s massive beef ribs and a […]
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A guide to IPFS connectivity in web browsers
A minimal chat example using js-ipfs in the browser.
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Passive Wi-Fi: Bringing Low Power to Wi-Fi Transmissions
Bryce Kellogg, Vamsi Talla, Shyamnath Gollakota, and Joshua R. Smith, University of Washington
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BGP 768K day, and whether it will cause internet outages
Learn what 768K day is and what it may mean for businesses that rely on the Internet to operate.
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Cloudflare Reports Massive Slowdown in Network Level DDoS Attacks
News outlets and blogs will frequently compare DDoS attacks by the volume of traffic that a victim receives. Surely this makes some sense, right? The greater the volume of traffic a victim receives, the harder to mitigate an attack - right?
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Pages that didn't make it into “How DNS Works”
Pages that didn't make it into "How DNS Works"
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The State of AV1 Playback Support
Apple keeps adding AV1 codec support! iPad Pro joins iPhone 15 Pro and Macbooks with dedicated AV1 hardware decoders! Learn everything you need to know about AV1 playback support.
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OS X 10.10.3 seems to have done something bad to wifi drivers
As a PSA (public service announcement), I'm reporting here that updating your Yosemite system to 10.10.3 is incredibly toxic if you use WiFi...
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How to build a Linux-based wireless router out of spare parts (1998)
This is a brief mini-howto on how to build a linux based wireless router out of what amounts to spare parts, using the linux router project's single disk router software. The total cost of each end of the router, including antennas and cabling, is less than 1300 US dollars, which is a considerable cost savings over…
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We built network isolation for 1500 services
We've been working on isolating the 1,500 services that power Monzo. The sheer size and complexity of our platform made this difficult. But by protecting us against compromised services, it makes Monzo more secure.
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Pulling MikroTik into the Limelight Demystifying and Jailbreaking RouterS
A comprehensive guide to MikroTik internals, including IPC, hand-rolled cryptography, and a novel post-authentication jailbreak
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How did Facebook intercept competitor's encrypted mobile app traffic? (2024)
A technical investigation into information uncovered in a class action lawsuit that Facebook had intercepted encrypted traffic from user's devices running the Onavo Protect app in order to gain competitive insights.
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How to run phones while being struck by suicide drones
In Ukraine suicide drones strike critical infrastructure regularly. Some outages are caused directly by the attacks - destroyed power plants, substations, transformers, power lines, some are scheduled in advance - power grid wasn’t designed to work while some of its power plants and transformers are destroyed and are…
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TCP is an underspecified two-node consensus algorithm
I recently found myself dealing with TCP load balancing for a project and I've come to think that generic TCP proxies can't be implemented without substantial pain and how it makes TLS terminating proxies a bad idea.
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The realtime magic behind Moot and how we deliver all your instant notifications
Le tecnologie in tempo reale stanno trasformando il digitale. Permettono interazioni immediate e autentiche🎯 Scopri come migliorano l'esperienza utente e favoriscono il coinvolgimento.
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Zerotier – multiple vulnerabilities lead to private network access
Zerotier - Multiple vulnerabilities leading to identity hijacking and unauthorised private network access.
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Benchmarking latency across common wireless links for microcontrollers
Comparing typical one-way transfer latencies for a range of popular wireless communication modules and protocols
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Advanced Tor Browser Fingerprinting
The ability to privately communicate through the internet is very important for dissidents living under authoritary regimes, activists and basically everyone concerned about internet privacy.
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Dissecting an SSL Certificate (2017)
Dissecting an SSL certificate
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Wireshark 4.6.0 Supports macOS Pktap Metadata (PID, Process Name, etc.)
Four years after my post on doing network captures on macOS with Process ID, Wireshark 4.6.0 has been released which includes support for parsing this…
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Bringing up 802.11ac on FreeBSD
I've been chipping away at bringing up 802.11ac on FreeBSD. I've been meaning to write this post for a while, but you know, life got in the ...
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37C3: Fuzzing the TCP/IP Stack
Our exploration begins with an honest appraisal of traditional fuzzing methodologies that have been applied to TCP/IP stacks before, like ISIC, revealing their inherent limitations, e.g., they can't reach beyond the TCP initial state. Recognizing the need for a more evolved approach, we take a different approach…
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ActivityPub Could Be the Future
You’ve heard of stuff like Twitter, Facebook, and Instagram. Make an account on one, and it only works there. You can’t send a DM to your friend on Twitter from Facebook Messenger. You can’t browse your friend’s Instagram feed from Twitter. Each one is closed off
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XMPP: The Gem of Instant Messaging
Posts about SmolWeb, Gemini protocol and LowTech
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Cisco Adaptive Security Appliance SNMP Remote Code Execution Vulnerability
A vulnerability in the Simple Network Management Protocol (SNMP) code of Cisco Adaptive Security Appliance (ASA) Software could allow an authenticated, remote attacker to cause a reload of the affected system or to remotely execute code. The vulnerability is due to a buffer overflow in the affected code area. The…