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(All) DNS Resource Records
Just how many weird Resource Records can you stuff into a zone file? And what do these weird RRs actually return?
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The latest blog posts to take off on Hacker News. 255 posts.
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Increasing HTTPS Adoption
When a browser connects to websites over HTTPS (vs. HTTP), eavesdroppers and attackers on the network can't intercept or alter the data that...
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25 Gigabit Linux internet router PC build
init7 recently announced that with their FTTH fiber offering Fiber7, they will now sell and connect you with 25 Gbit/s (Fiber7-X2) or 10 Gbit/s (Fiber7-X) fiber optics, if you want more than 1 Gbit/s. While this offer will only become available at my location late this year (or possibly later due to the supply chain…
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Mozilla rolls out DoH to Canadian users of Firefox
CIRA Joins Firefox’s Trusted Recursive Resolver Program In a few weeks, Firefox will start the by-default rollout of DNS over HTTPS (or DoH for short) to
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BGP in a Nutshell
PhD student at University of Texas at Austin 🤘. Doing systems for ML.
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TCP Fast Open? Not so fast
As TCP becomes more important to DNS, overhead is becoming an issue.
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The future is in symmetrical, high-speed internet speeds
Congress is about to make critical decisions about the future of internet access and speed in the United States. It has a potentially once-in-a-lifetime amount of funding to spend on broadband infrastructure, and at the heart of this debate is the minimum speed requirement for taxpayer-funded...
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A distributed spam attack across the public Matrix network
Matrix, the open protocol for secure decentralised communications
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Download speeds: What Do 2G, 3G, 4G and 5G mean?
There are four types of mobile internet connection: 2G, 3G, 4G and 5G. We compare the real-world impact in terms of speeds and download times.
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Let's code a TCP/IP stack (2016)
Writing your own TCP/IP stack may seem like a daunting task. Indeed, TCP has accumulated many specifications over its lifetime of more than thirty years. The core specification, however, is seemingly compact[^tcp-roadmap] - the important parts being TCP header parsing, the state machine, congestion control and…
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ISP announces 86% slowdown “in line with others”
Altice wins the race to the bottom.
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Group Video Calls
Today's update lets you turn on your camera or share your screen during Voice Chats in groups – on all devices, including tablets and desktops. This brings voice chats to a whole new level, ready for online classes, business meetings and family gatherings.
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QUIC at Snapchat
At Snapchat, our goal is to make our Camera the fastest way to share a moment. We do not want Snapchatters to face any delays when they are in the moment and want to share with their real friends.
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PipeWire Under the Hood
The PipeWire project is slowly getting popular as it matures. Its documentation is still relatively sparse but is gradually growing. However, it's always a good idea to have people from outside the project try to grasp and explain it to others in their own words, reiterating ideas, seeing them from their own…
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Details of yesterday's Bunny CDN outage
To say we are disappointed would be an understatement, but we want to take this opportunity to learn, improve and build an even more robust platform.
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I made 50k calls to explore the telephone network
Post describing my research wardialing Finnish freephones.
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URLs: It's Complicated
Let's play silly games with URLs...
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Syria’s exam-related Internet shutdowns
To prevent cheating in exams many countries restrict or even shut down Internet access during critical exam hours. For most of June Syria is having planned Internet shutdowns during critical exam periods.
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Freenode commits suicide, is no longer a serious IRC network
Since this happened after I was banned from Freenode , I didn't get to observe this first hand, but this is the situation as I now understand it.
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Taildrop was kind of easy
Learn about Taildrop, the first test of an experimental p2p app discovery layer in Tailscale. Understand why it was so easy to build, and how it works for large files.
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Raspberry Pi WiFi to ethernet bridge
The goal is to connect a non-WiFi computer to a WiFi network using a Raspberry Pi. We will use a Raspberry Pi 4 Model B as a bridge between the non-WiFi computer and the WiFi network. The Raspberry Pi connects to WiFi and shares its connection with other computers over Ethernet. These instructions were only tested and…
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Summary of June 8 outage
We experienced a global outage due to an undiscovered software bug that surfaced on June 8 when it was triggered by a valid customer configuration change. Here's a rundown of what happened, why, and what we're doing about it.
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How Netflix uses eBPF flow logs at scale for network insight
By Alok Tiagi, Hariharan Ananthakrishnan, Ivan Porto Carrero and Keerti Lakshminarayan
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Trans-Pacific Cable Chaos, Shifting Asian Hubs
It’s been a year since the U.S. denied a cable license to the PLCN, creating a chain reaction that disrupted the trans-Pacific submarine cable market.
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Anatomy of a Linux DNS Lookup
Since I work a lot with clustered VMs , I’ve ended up spending a lot of time trying to figure out how DNS lookups work. I applied ‘fixes’ to my problems from StackOverflow without really understanding why they work (or don’t work) for some time.
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QUIC is now RFC 9000
QUIC version 1 is officially formalized, and QUIC deployments will now move away from using temporary draft versions to the newly minted version 1.
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One week of Libera Chat
The state of the network after one week of operation.