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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.
Topics /
Networking & Internet
The most popular blog posts about networking & internet on Hacker News. 282 posts.
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Self-hosted email is the hardest it's ever been, but also the easiest
It's never been easier to self-host your email. It's never been harder to self host your email.
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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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Portmaster 1.0 – Open-Source Network Monitor and Privacy Firewall
Portmaster is a free and open-source application that puts you back in charge over all your computer's network connections. Increase your privacy and security. Get peace of mind.
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Who is squatting IPv4 addresses?
It’s an established fact on the internet that we have ran out of IP(v4) addresses , and we are starting to see the pressure on obtaining IPv4 space. For example if you want to get a /24 block from RIPE NCC when you sign up as a member, then you are currently looking at a 2 month wait for a recycled IPv4 /24 block .
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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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Happy Birthday, Libera Chat
The state of the network after one year of operation.
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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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The 5GHz “Problem” for Wi-Fi Networks: DFS (2018)
Wi-Fi networking provides us with 2 bands for the operation of wireless LAN networks: the 2.4Ghz band and the 5GHz band. The 2.4GHz band has...
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Server-sent events, WebSockets, and HTTP
The orange site is currently discussing an article about Server-Sent Events, especially as compared with WebSockets (and the emerging WebTransport). Both the article and discussion are well-informed, but I think they miss out on one aspect that has fairly deep implications.
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From Oscilloscope to Wireshark: A UDP Story
Like many of you, I've got hardware on my desk that's sending UDP packets, and the time has come to take a closer look at them.
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AOL 3.0 reverse engineered
Your life is the best story! Just start your blog today!
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Windows OS, Services and Apps: Network Connection Target Hosts (2021)
This post lists the internet communication targets of the Microsoft Windows operating system, including its various services and UWP apps. This post is a part of my application network connection monitoring series, a group of articles that explain how to analyze the network traffic of any Windows or macOS app.
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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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Tech journalism doesn’t know what to do with Mastodon
What happens when innovation doesn’t fit the usual narratives?
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You may not need Cloudflare Tunnel. Linux is fine
Cloudflare Tunnel is a cool little product Cloudflare offers to essentially give your computer a public IP address. Getting a packet from point A to point B is Linux's bread and butter. Why not just use it?
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SSH Agent Restriction (new in OpenSSH 8.9)
OpenSSH agent restriction
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The Fediverse is inefficient but that's a good trade-off
Let's address the mammoth in the room: the fediverse , the network of mastodon servers, is very inefficient.
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Roll your own Ngrok with Nginx, Letsencrypt, and SSH reverse tunnelling
Ngrok is a fantastic tool for creating a secure tunnel from the public web to a machine behind NAT or a firewall. Sadly, it costs money and it’s proprietary. If you’re a developer, odds are that you’re already renting a server in the public cloud, so why not roll your own ngrok?
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Tailscale ate my network (and I love it)
No matter where you go, there you are If you're like me, you travel occasionally. Access to your office from home, or from an airport loun...
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RCE over ham radio – Reverse shell via WinAPRS memory corruption bug
This installment will review and demonstrate functional exploits for WinAPRS on both Windows XP SP3 and Windows 10.
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The State of HTTP in 2022
So what happened at all of those working group meetings, specification documents, and side events in 2022? What are implementers and deployers of the web’s protocol doing? And what’s coming next?
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Chromium based browsers leak user local IP via WebRTC foundation attribute
This script uses a pregenerated foundation lookup table to find local IP address for ICE candidates that render local mDNS hostnames seen as xx-xxx-xxx-xx.local .