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Some people want to run their own servers
Open Source Freelancer
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So long, home T1 line; hello, hacking the T1 router
Floodgap has had a T1 line since I moved into this house in 2011. I'm one of those weirdos who runs my own hardware and prefers to avoid ...
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ICMP, Ping, and Traceroute – What I wish I was taught (2020)
I wanted to write a post and do a bit of a deepdive into ICMP, ping and traceroute. I’ve found that having a good networking foundation has been a tremendous…
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Brave Talk: Unlimited, private video calls, in browser
Brave Talk brings unlimited, private video calls, right to your browser. No extra apps. No tracking. Just free connections, powered by Brave.
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How to stop running out of ephemeral ports and love long-lived connections
Often programmers have assumptions that turn out, to their surprise, to be invalid. From my experience this happens a lot. Every API, technology or system can be abused beyond its limits and break in a miserable way
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FreeBSD on the Raspberry Pi
How to install FreeBSD on a Raspberry Pi, one step in building an Active Directory server with Samba and FreeBSD.
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Rocket.chat leverages the Matrix protocol for interoperable communications
Learn more about how the leading open-source platform is furthering its efforts toward collaboration without compromise
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The perils of the “real” client IP
This post ended up being incredibly long comprehensive. I’m afraid that many people won’t read enough to get everything that’s important, so here are the key points:
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Amazon, Verizon found using IPv4 240/4 addresses
In this article we use data from RIPE Atlas probes to investigate the usage of 240/4, a block of IPv4 addresses 'reserved for future use', formally known as Class E in the wild.
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5G Skeptic
When I was working at AWS, around 2017 we started getting excited pitches from companies who wanted to be part of the 5G build-out, saying that obviously there’d be lots of opportunities for public-cloud providers. But I never walked away convinced. Either I didn’t believe the supposed customers really needed what 5G…
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Help Censored Users – Run a Tor Bridge
Today the Tor Project is launching the Run a Tor Bridge campaign. Participants are invited to contribute and help censored users by running a Tor bridge. You can find more details below, including our special reward kits for participants. The campaign will run from November 17 to January 7, 2022. Join us and help…
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VPN by Google One security assessment
Cutting-edge cyber security research from NCC Group. Find public reports, technical advisories, analyses, & other novel insights from our global experts.
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Exploring Mastodon
With the current uncertainty over Twitter, I'm starting to explore using Mastodon
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TP240PhoneHome Reflection/Amplification DDoS Attack Vector
A new reflection/amplification distributed denial of service (DDoS) vector with a record-breaking potential amplification ratio of 4,294,967,296:1 has been abused by attackers in the wild to launch multiple high-impact DDoS attacks.
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Dino 0.3: Video calls and conferences – encrypted and peer-to-peer
A privacy-friendly messaging app for the desktop. It uses the XMPP protocol and provides a clean UI with modern features.
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Google's Subsea Fiber Optics
Fiber optic networks are a foundation of the modern internet. In fact, subsea cables carry 99% of international network traffic , and yet we are barely aware that they exist. What you might not know is that the first subsea cable was deployed in 1858 for telegraph messages between Europe and North America. A message…
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Ultrasonic Payments
Experimenting with ultrasonic data transmission in JavaScript as a payment method.
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Police CyberAlarm Uses Alarming Cryptography
Today we’re going to be talking about this code, shared on Twitter by Paul Moore. It’s worth noting that this code snippet was after Paul attempted to alert them to security issues with…
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Understanding modern Linux routing (and wg-quick)
Back in the old days, I could just type route (or, later, ip route) in my Linux terminal and get an accurate picture of all my routes. This is no longer the case.
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Over 20k servers have their iLO interfaces exposed to the internet
Over 20 thousand servers have their iLO interfaces exposed to the internet, many with outdated and vulnerable versions of FW, Author: Jan Kopriva
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Interoperability without sacrificing privacy: Matrix and the DMA
Matrix, the open protocol for secure decentralised communications
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“I survived the TCP transition” (2013)
This year we invited Vint Cerf to tell the story.
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Using WebTransport
The WebTransport API offers low-latency, bidirectional, client-server messaging. Learn about its use cases, and how to give feedback about the future of the implementation.
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Things we finally know about network queues (2017)
How big should your queue be, and what should you do when it fills up? Many times, we implement or even deploy a networking system before w...
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The most backdoor-looking bug I’ve ever seen (2021)
This is the story of a bug that was discovered and fixed in Telegram’s self-rolled cryptographic protocol about seven years ago. The bug didn’t get any press, and no one seems to know about it, probably because it was only published in Russian.
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The Trouble with 5G
Science News, Physics, Science, Philosophy, Philosophy of Science
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Best Practices for Securing SSH
This article explores 5 SSH best practices you should observe to boost the security of your infrastructure.