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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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Netcat – All you need to know
Introduction Netcat is a tool that reads and writes data across network connections, using TCP or UDP protocol. Netcat has been referred to as the TCP/IP / networking swiss army knife. In this article we’ll look at different applications of netcat and how it can be useful in day to day activities of a pentester…
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TCP, the workhorse of the internet
What is TCP? This post is an exploration of TCP, the workhorse of the internet. This deep dive includes detailed examples and a step-by-step walkthrough. A simple TCP explanation.
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NextDNS is my new favourite DNS service
AKA Anycast-Pi-hole-as-a-Service... but even better!
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VPN⁰: A Privacy-Preserving Distributed VPN
This research presents VPN⁰, the first distributed virtual private network offering a privacy preserving traffic authorization and validation mechanism.
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Amazon owns more than $2B worth of IPv4 addresses
Amazon owns almost 110M IPV4 addresses. At the lower end of the market price this is over $2B.
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Second factor SMS: Worse than its reputation
One-time passwords are often sent via SMS. Security researchers from the CCC recently had live access to over 200 million such SMS messages from more than 200 affected companies.
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How does Apple privately find offline devices?
At Monday’s WWDC conference, Apple announced a cool new feature called “Find My”. Unlike Apple’s “Find my iPhone”, which uses cellular communication and the lost…
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OpenPush: A Free, Decentralized Push Messaging Framework for Android
Push messages are an essential part of connected mobile devices. They are also one of the critical missing pieces in the open source Android ecosystem. Until...
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Mesh LLM: distributed AI computing on iroh
How Mesh LLM pools existing GPU resources across machines into a single OpenAI-compatible API, built on iroh.
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RuBee
I have at least a few readers for which the sound of a man's voice saying "government cell phone detected" will elicit a palpable reaction. In Department of Energy facilities across the country, incidences of employees accidentally carrying phones into secure areas are reduced through a sort of automated nagging. A…
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Introducing Network Service Tiers
We're excited to announce Network Service Tiers Alpha , making Google Cloud Platform (GCP) the first major public cloud to offer a tiered cloud network. We let you optimize for performance by choosing Premium Tier, which uses Google’s global network with unparalleled quality of service, or optimize for cost, using the…
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RustDesk now supports true unattended remote access on Wayland
Try the RustDesk Wayland preview for x86_64 Debian/Ubuntu-based systems: unattended access across multiple monitors and at the login screen after reboot.
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Starlink Is a Big Deal
Today, I watched a SpaceX Falcon 9 rocket leave Cape Canaveral and deliver 60 small Starlink satellites to Low Earth Orbit (LEO) on the Starlink L3 mission.…
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Lockheed is now tracking phones and walkie-talkies from space
Space-based phone location-tracking firm HawkEye 360 announced its partnership with U.S. weapons manufacturer Lockheed Martin this morning. The UAE military is allegedly a "strong" customer.
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The C10M problem
It's time for servers to handle 10 million simultaneous connections, don't you think? After all, computers now have 1000 times the memory as...
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O2 VoLTE: locating any customer with a phone call
Privacy is dead: For multiple months, any O2 customer has had their location exposed to call initiators without their knowledge.
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Let’s Encrypt to transition to ISRG root
Let's Encrypt have announced that on July 8th, 2019 they will begin issuing new certificates from their own intermediate CA and not their current cross-signed intermediate. Here's what that means and what action, if any, site operators need to take…
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Get the location of the ISS using DNS
I love DNS esoterica. Weird little things that you can shove in the global directory to be distributed around the world instantly(ish). Domain names, like www.example.com usually resolve to servers. As much as we think of "the cloud" as being some intangible morass of ethereal Turing-machines floating in probability…
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Mitigating the Hetzner/Linode XMPP.ru MitM interception incident
(If you just want some recommendations for what to do, skip down to the Recommendations section below .)
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YouTube, your RSS feeds are broken
We'd love to keep using your feeds in our feed readers, but we're gonna need them to work.
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HTTP/3: from root to tip
Explore HTTP/3 from root to tip and discover the backstory of this new HTTP syntax that works on top of the IETF QUIC transport.
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Uses for cURL
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