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A full TCP/IP stack in under 200 LoC (and the power of DSLs)
(Note: This is the third and final part of a series. Part one appeared Monday and part two appeared yesterday.)
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 3,021 posts.
2342
WebAssembly brings extensibility to network proxies
With the Istio 1.5 release we are happy to introduce WebAssembly (Wasm) extensions in Envoy, built with our long running collaborators Lyft and IBM. With partners like Solo.io deepening their engagement as well, we are excited to see the community and ecosystem developing around this segment of the open source world.
2343
World Domination Using Arduinos and Websockets
Arduino Websocket Client Arduino Pusher Client Pusher – Real Time Push Notifications Follow Me On Twitter: @kevinrohling If you don’t have your very own Arduino yet you should get one. …
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25 Gbit/s at home, part 1
First part of a story on how I’ve built 25 Gbps router for home use.
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Android betrays tethering data
Software engineer, Free, Open Source Software Consultant, Innovator, Fedora & Debian Developer
2347
GDID Windows – Cut the tracker that follows you even under VPN
The GDID helped catch a hacker despite his VPN. I set up a VM to see if it can be neutralized: what works, what doesn't, and the scripts to stop it from ...
2348
A distributed spam attack across the public Matrix network
Matrix, the open protocol for secure decentralised communications
2349
Interpreting some of Twitter’s API changes
Twitter has posted some of their upcoming API-policy lockdowns and restrictions in this post from Michael Sippey , euphemistically titled “Changes coming in Version 1.1 of the Twitter API”.
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The Golden Age of Open Protocols
Protocols are a geeky topic. It’s way more interesting to talk about applications. People will go on and on about why they like gmail or some other email application. But not a lot of people get excited about SMTP and IMAP which are the underlying email protocols that allow the gmail application to talk to […]
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Blueborne – A new attack vector endangering major operating systems
Following the disclosure of the BlueBorne attack vector this past September, Armis discovered that critical Bluetooth vulnerabilities impact the Amazon Echo and Google Home.
2354
Gaining control of every projector and camera on campus
While starting my first year at the Colorado School of Mines, I came across a rather interesting fact: the local DNS servers will assign a subdomain to each device that connects to the network. This means that a device called “meow” will be visible as “meow.mines.edu” on any campus wifi, though the network still…
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IPv4 route lookup on Linux
Linux uses an LPC-trie for looking up routes. It provides good performance with low memory use even with millions of routes.
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Why is my tcp not reliable? (2009)
This post is about an obscure corner of TCP network programming, a corner where almost everybody doesn’t quite get what is going on. I used to think I understood it, but found out last week that I didn’t.
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Self-host your mail server
Personal Blog of Christian Haschek
2360
What was a Token Ring network?
Token Ring and ARCNET once competed with Ethernet as networking standards
2361
DASH playback of AV1 video in Firefox
Bitmovin and Mozilla, both members of the Alliance for Open Media (AOM), are partnering to bring AV1 playback with HTML5 to Firefox as the first browser to play AV1 MPEG-DASH/HLS ...
2362
The mechanics of a sophisticated phishing scam and how we stopped it
Yesterday, August 8, 2022, Twilio shared that they’d been compromised by a targeted phishing attack. Around the same time as Twilio was attacked, we saw an attack with very similar characteristics also targeting Cloudflare’s employees
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Domain Name Registration and Geo DNS for Route 53
Amazon Route 53 is a highly available and scalable Domain Name Service (DNS), including a powerful Health Checking Service. Today we are extending Route 53 with support for domain name registration and management and Geo DNS. We are also reducing the price for Route 53 queries! Let’s take a closer look at each one of…
2365
RFC 8890 – The Internet is for End Users (2020)
The Internet Architecture Board (IAB) has published RFC8890, The Internet is for End Users, arguing that the Internet Engineering Task Force (IETF) should ground its decisions in what’s good for people who use the Internet, and that it should take positive steps to achieve that.
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Mico: A PDM to USB Microphone Based on the Raspberry Pi RP2040
Using RP2040 to create a USB audio microphone.
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AirBorne: Wormable zero-click remote code execution (RCE) in AirPlay protocol
Oligo Security reveals AirBorne, a new set of vulnerabilities in Apple’s AirPlay protocol and SDK. Learn how zero-click RCEs, ACL bypasses, and wormable exploits could endanger Apple and IoT devices worldwide — and how to protect yourself.
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Common interface for Linux NIC statistics
In Linux 5.13 ethtool gains an interface for querying IEEE and IETF statistics. This removes the need to parse vendor specific strings in...
2370
Getting started with nmap
Sysadmin doing syadmin stuff