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Domain Names as Handles in Bluesky
Today we got our first custom domain name handle registered on Bluesky. Domain name handles are a way for us to improve the state of trust and control users have over their social identities online.
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 3,021 posts.
1862
Russia’s move to block Telegram another attack on online freedom of expression
On Friday, the Tagansky District Court in Moscow is expected to rule on a request by Roskomnadzor, the Russian media watchdog, to block Telegram for its refusal to provide the Federal Security Service (FSB) with backdoor access to encrypted messages.
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Video Live Streaming: Notes on RTMP, HLS, and WebRTC
A Daily guide on live streaming, RTMP, WebRTC, HLS, low latency audio/video, and real-time calls, and well as their similarities and differences.
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Wangle – an asynchronous C++ networking and RPC library
Visit the post for more.
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The sad state of SMTP encryption
This is a quick recap of why I’m sad about SMTP encryption. It explains how TLS certificate verification in SMTP is useless even if you force it.
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Facebook (Meta) international cable expansion: animated map
Facebook has increased its submarine cable holdings from near-zero to 6% of the world's total backbone infrastructure as of 2022, and will double by 2024.
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Push Notifications for Decentralized Services
How mobile push notifications currently bring centralization to decentralized services, and how we can avoid it, even for mainstream configurations. Published the 31/01/2025 This post will focus on Android. We all know decentralized applications: emails, Mastodon (and the Fediverse), Nextcloud and other clouds, Git…
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Twitter bug causes self-DDoS, related to Musk’s emergency blocks, rate limits
An "amateur hour" Javascript bug is self-DDOSing Twitter, sending infinite requests from users related to — or possibly even causing — Elon Musk's "temporary emergency measures" to stop web scraping.
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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 ...
1874
From stealth blackout to whitelisting: Inside the Iranian shutdown
Iran is in the midst of one of the world’s most severe communications blackouts. This post uses Kentik data to detail how this historic event unfolded, where this event lies in the context of previous Iranian shutdowns, and finally discusses what might be in store next for Iran.
1875
Jetstream: Shrinking the AT Protocol Firehose by >99%
Jetstream is a streaming service that consumes an AT Proto Sync Firehose and converts it into lightweight, filterable, friendly JSON, allowing us to live tail all posts on Bluesky for as little as ~850 MB/day
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A brief history of barbed wire fence telephone networks (2024)
If you look at the table of contents for my book, Other Networks: A Radical Technology Sourcebook, you’ll see that entries on networks before/outside the internet are arranged first by underl…
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Fixing bufferbloat on your home network with OpenBSD 6.2 or newer
My home network (which is also my work network) is a standard-issue Comcast cable hookup. In spite of a tolerable 120 megabits down, my experience of daily Internet use is regularly frustrating. Video streams and video chats drop in quality...
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Sanstun: A sans-IO, parallel-friendly WireGuard implementation in Rust
Our sans-IO WireGuard implementation in Rust, optimized for ease of use, security and performance through a parallel-friendly and idiomatic API.
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When “idle” isn't idle: how a Linux kernel optimization became a QUIC bug
We investigated a bug where CUBIC's congestion window became pinned at its minimum floor, causing a performance to plummet. The fix involved correctly measuring idle periods to distinguish RTT wait times from actual application idleness.
1880
End of the m0n0wall project
on this day 12 years ago, I have released the first version of m0n0wall to the public. In theory, one could still run that version - pb1 it was called - on a suitably old PC and use it to control the Internet access of a small LAN (not that it would be recommended security-wise). However, the world keeps turning, and…
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IDN is crazy
IDN, International Domain Names, is the concept that lets us register and use international characters in domain names, and by international we of course mean characters outside of the ASCII range. Recently I have fought some battles against IDN and IDN decoding so I felt this urge to write a lot of words about it ……
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Leakage paths for the Apple / Google Bluetooth tracing system
Plus general overview
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DNS: Basic Concepts (2013)
Dig through the DNS and learn how and why it all works.
1885
IP addresses through 2024
Time for another annual roundup from the world of IP addresses. Let’s see what has changed in the past 12 months in addressing the Internet and look at how IP address allocation information can inform us of the changing nature of the network itself.
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Keyless SSL: The Nitty Gritty Technical Details
We announced Keyless SSL yesterday to an overwhelmingly positive response. We read through the comments on this blog, Reddit, Hacker News, and people seem interested in knowing more and getting deeper into the technical details.
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RFC8482 – Saying Goodbye to ANY
Ladies and gentlemen, I would like you to welcome the new shiny RFC8482, which effectively deprecates DNS ANY query type. DNS ANY was a "meta-query" - think about it as a similar thing to the common A, AAAA, MX or SRV query types, but unlike these it wasn't a real query type - it was special.
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Apple and IPv6 – Happy Eyeballs
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