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Thunderbolt, Displayport and Docks
Blog post — USB, Thunderbolt, Displayport & docks
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Tunneling Wikipedia through WhatsApp to (maybe?) get around WiFi restrictions
In-flight messaging I was on a Delta flight the other day, and I was thinking about how they offer free messaging from your smartphone. How do they limit the wifi? Maybe they have some basic filter that says “deny everything except the urls for these 3 messaging apps”, which makes sense conceptually. What if we don’t…
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Simplicity of IRC
During discussions with my friends and colleagues, whenever the topic of chat protocols comes up, I often remark how simple the Internet Relay Chat (IRC) protocol is and how this simplicity has fostered creativity in the lives of many young computer hobbyists growing up in the late 1990s and early 2000s. For many of…
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SATCOM terminals under attack in Europe: a plausible analysis
------ Update 03/12/2022 Reuters has published new information on this incident, which initially matches the proposed scenario. You can find...
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Why do USB-C hubs still have USB 2.0 ports? (2021)
[If USB2.0 is too boring, learn about the details of 50 different Thunderbolt-4 docks – yep you read that right, there are 50 different models – find out which ones are identical inside…
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Why does gRPC insist on trailers?
gRPC comes up occasionally on the Orange Site , often with a redress of grievences in the comment section. One of the major complaints people have with gRPC is that it requires HTTP trailers. This one misstep has caused so much heartache and trouble, I think it probably is the reason gRPC failed to achieve its goal…
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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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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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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 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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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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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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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 .
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Wiretapping Google smart speakers
I was recently rewarded a total of $107,500 by Google for responsibly disclosing security issues in the Google Home smart speaker that allowed an attacker within wireless proximity to install a "backdoor" account on the device, enabling them to send commands to it remotely over the Internet, access its microphone…
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