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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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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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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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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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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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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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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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Let websites framebust out of native apps
Back in 1996, the website TotalNews.com had a brilliantly evil idea. Why not make a single website that itself contained all the top American news websites, directly embedded within?
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Setting up a Pi Hole made my home network faster
Discover how a single Raspberry Pi can speed up your home network by acting as a DNS server. Learn the steps to set up Pi-hole and enjoy faster, more secure internet today!
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AirPlay and Touch Bar = Network Disaster
Mnpn's website and blog containing projects and other information.
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Our domain and 700 non-profit sites got blocked by Meta
📢Update: My message has been heard and our domain has been unblocked. We never received an explanation - HN might have done it. Thank you everyone for sharing. In my spare time, I maintain an open-source SAAS tool for non-profits that allows you to build an online shop, sell
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Guest WiFi using a QR code
On my home network I have guest WiFi configured and when guests come round they need to know the password. Happily there's a way to make thi...
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Exposing a web service with Cloudflare Tunnel
What if you could host a web service with no ports exposed? With Cloudflare Tunnel, you can!
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Matter – Protocol to connect compatible devices and systems with one another
The Connectivity Standards Alliance has certified and released the first version of the Matter smart home interoperability protocol Tuesday and I couldn’t be happier. This means that member companies can now put their devices through the certification protocol and get a badge showing that their products are Matter…
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Spam blacklisting is out of control
If you got shuned by the society not because of what you did but what your neighbor did, you will cry bloody injustice. This is exactly what is happening in SPAM blacklisting.
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