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The HTTP crash course nobody asked for
HTTP does a pretty good job staying out of everyone’s way. If you’re reading this article, there’s a solid chance it was delivered to you over HTTP. Even if you’re reading this from an RSS reader o...
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De-AMP: Cutting out Google and enhancing privacy
Brave is rolling out a new feature called De-AMP, which allows Brave users to bypass Google-hosted AMP pages, and instead visit the content's publisher directly.
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What does it mean to listen on a port?
This story explores some concepts in computer networking, inspired by Michael Nielsen’s idea of discovery fiction . Code samples can also be found in this repo . Excerpts use openbsd-flavoured netcat on Debian Linux; behviour and IPv6 support may vary by version.
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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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Tailscale SSH
Use this guide to setup Tailscale SSH. Learn how it transforms SSH connectivity by using your Tailscale identity for authentication. Enjoy simplified setup, added security with WireGuard®, and customizable access with ACLs. Ideal for managing secure connections across your tailnet.
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My upgrade to 25 Gbit/s Fiber To The Home
My favorite internet service provider, init7, is rolling out faster speeds with their infrastructure upgrade. Last week, the point of presence (POP) that my apartment’s fiber connection terminates in was upgraded, so now I am enjoying a 25 Gbit/s fiber internet connection!
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UnifiedPush: A decentralized, open-source push notification protocol
A modern Android smartphone relies on a lot of services, from app stores and calendars to messaging and push notifications. Most of them have open alternativ...
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DNS Esoterica – Why you can't dig Switzerland
As part of my new job, I'm learning a lot more about the mysteries of the Domain Name System than any mortal should know I thought possible. The humble unix dig command allows you to query all sort of DNS information. For example, to see name server records for the BBC website, you can run: dig bbc.co.uk NS Which will…
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How fast are Linux pipes anyway?
Pipes are ubiquitous in Unix --- but how fast can they go on Linux? In this post we'll iteratively improve a simple pipe-writing benchmark from 3.5GiB/s to 65GiB/s, guided by Linux `perf`.
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Tailscale Funnel
Public access to your device—without the security risks. Tailscale Funnel makes exposing services to the internet safe & simple.
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SMS phishing is way too easy
Impersonating someone in SMS texts is way too easy, we must change this to prevent social engineering fraud.
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Mastodon.technology Shutdown
Dear mastodon.technology community,
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Resolving an unusual WiFi issue
Late last year, I started experiencing some unusual intermittent connection issues on my Desktop. In general, I had a stable connection with average latency; however, at (seemingly) random times throughout the week, I would start experiencing sudden 2000ms+ latency spikes every couple of seconds.
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SSH tips and tricks
Since I joined Charm, I’ve been working and learning more about SSH, and I thought I would share a few quick tips and tricks with you.
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Emergency SOS via satellite
Apple’s groundbreaking safety service Emergency SOS via satellite becomes available to customers in the US and Canada starting today.
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SiriSpy – iOS bug allowed apps to eavesdrop on your conversations with Siri
Gui Rambo writes about his coding and reverse engineering adventures.
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Server-Sent Events: an alternative to WebSockets
WebSockets are the most used technology for real-time web apps. However, Server Sent Events (SSE) are a simpler alternative that is often superior.
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Decrypting your own HTTPS traffic with Wireshark
Code level discussion of web scraping, gray hat automation, growth hacking and bounty hunting
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Gas Leak in the Baltic Sea
After the three gas leaks on the Nord Stream gas pipelines in the Baltic Sea, the Danish Defence deployed the frigate Absalon and the pollution control vessel Gunnar Thorson, as well as a helicopter capacity.
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Cloudflare servers don't own IPs anymore so how do they connect to the internet?
In this blog we'll discuss how we manage Cloudflare IP addresses used to retrieve the data from the Internet, how our egress network design has evolved, how we optimized it for best use of available IP space and introduce our soft-anycast technology
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Native Matrix VoIP with Element Call
Hopefully in-person meet-ups will prove much easier in 2022 - but, there’s still a need for video calls, so let’s face it, they’re here to stay. This makes it really exciting to present Element Call: the world’s first decentralised voice and video conferencing app powered entirely
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You don’t want to be on Cloudflare’s naughty list
My home IP ended up on Cloudflare’s naughty list for six days. Most websites and many apps loaded slowly, partially, or not at all. Just had to wait it out.
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Our User-Mode WireGuard Year
For better or worse, flyctl isn't boring. Here's why.
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100 Gbps achieved from space to Earth
MIT Lincoln Laboratory, in partnership with NASA Goddard Space Flight Center, built and designed a communications payload, TBIRD, which is demonstrating space-to-ground laser communications at unprecedented data rates.