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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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The latest blog posts to take off on Hacker News. 282 posts.
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A Request to Terminate ENOG
This archive is retained to ensure existing URLs remain functional. It will not contain any emails sent to this mailing list after July 1, 2024. For all messages, including those sent before and after this date, please visit the new location of the archive at…
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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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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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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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Wartime Is a Bad Time to Mess with the Internet
Like most people, we at EFF are horrified by Russia’s invasion of Ukraine. Also like most people, we are not experts on military strategy or international diplomacy. But we do have some expertise with the internet and civil liberties, which is why we are deeply concerned that governments around the...
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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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When volcanoes go bang, submarine cables do what?
Guest Post: Insights and lessons from Tonga in the last five weeks.
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The internet was designed with a narrow waist
When you hear the term, you should picture an hourglass with M things on one side, N on the other, and an important concept in the middle.
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Twitter restricted in Russia amid conflict with Ukraine
NetBlocks metrics confirm the restriction of Twitter in Russia from the morning of Saturday 26 February 2022. Facebook servers have subsequently been restricted as of Sunday. The restrictions are in ...
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Decentralizing Distribution
Guardian Project has been awarded a grant from the Filecoin Foundation for the Decentralized Web (FFDW) to work on decentralizing veracity and distribution (...
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Going multipath without Multipath TCP
Gigabit ethernet has been around for a long time, it’s so ubiquitous that there is a very strong chance that if you have a RJ-45 port on your computer, it’s going to be a gigabit ethernet network interface.
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A guide to IPFS connectivity in web browsers
A minimal chat example using js-ipfs in the browser.
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About adding a static route to my DOCSIS modem
You may think this is an easy task but let’s find out. One would expect such functionality in a web interface …
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How Does NTP (Network Time Protocol) Work?
The Network Time Protocol (NTP) is a system for synchronizing the clocks of hosts and clients across the Internet. NTP is a protocol intended to synchronize all computers participating in the network to within a few milliseconds of Coordinated Universal Time (UTC). The core of the protocol is NTP’s clock discipline…
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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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Going IPv6 Only
How would the current internet function when you're on a native IPv6 host without any IPv4 instead of using any of the IPv4 workarounds? Find out with a few firewall rules!
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Demodulation of the LTE uplink
I have been playing with some LTE recordings to brush up my knowledge, since it isn’t a protocol I’m very familiar with. I’m specially interested in understanding the structure and properties of all the pilot signals. Textbooks and documentation are great, but nothing beats getting your hands dirty with some IQ…
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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 harmful consequences of the robustness principle
The robustness principle, often phrased as "be conservative in what you send, and liberal in what you accept", has long guided the design and implementation of Internet protocols. The posture this statement advocates promotes interoperability in the short term, but can negatively affect the protocol ecosystem over…
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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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Basic Network Troubleshooting
A quick explanation of the differences between network failures most commonly observed in day to day operatoins. And no, it's not (always) DNS.
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HTTP/3: Everything you need to know about the next-generation web protocol
We enable the world to secure the web. Burp Suite, the Web Security Academy, and world-leading research from PortSwigger — the AppSec community’s home.
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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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Why federated protocols don't work (2016)
At Open Whisper Systems, we’ve been developing open source “consumer-facing” software for the past four years. We want to share some of the things we’ve learned while doing it. As a software developer, I envy writers, musicians, and filmmakers. Unlike software, when they create something, it is...
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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.