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The most popular blog posts about networking & internet on Hacker News. 1,406 posts.
An automated routing policy configuration error caused us to leak some Border Gateway Protocol prefixes unintentionally from a router at our Miami data center. We discuss the impact and the changes we are implementing as a result.
WireGuard has undergone all sorts of formal verification, covering aspects of the cryptography, protocol, and implementation. Below details the various efforts.
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.
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.
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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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.
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…
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 ...
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.
Our sans-IO WireGuard implementation in Rust, optimized for ease of use, security and performance through a parallel-friendly and idiomatic API.
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.
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…
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.
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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Monitor and optimize your website's user experience with the real-time performance analytics from Akamai mPulse. Identify and fix CWV performance issues for search engine indexing and improve the mobile user experience.
The Internet Engineering Task Force (IETF), the body that sets standards for the Internet, has...
This specification defines a new HTTP method, QUERY, as a safe, idempotent request method that can carry request content.
This comprehensive guide to implementing AV1 encoding includes a step-by-step guide and questions you should consider when adding AV1 encoding to your workflow.
Technology and Law Community "Masaar” documented the blocking of the Telegram website and application by the Egyptian authorities on 22 October 2020. The authorities blocked Telegram on three of the Internet service networks operating in Egypt. These networks included “We”, “Vodafone” and “Orange”. Masaar learned…
Before I begin, I want to say that WebSockets are great. I’ve even implemented RFC 6455 myself in Zurl and Pushpin, which are used by Fanout Cloud.However, a...
The Wikimedia Foundation is happy to announce that we are implementing HTTPS to encrypt all traffic on Wikimedia sites. With this change, nearly half a billion monthly visitors on Wikipedia and its…
Microsoft Emergency Bulletin: Unauthorized Certificate used in "Flame" , Author: Johannes Ullrich
We’re building an open source alternative to AWS. For IPv4 assignment and firewall rules, we use Linux’s Netfilter / Nftables. This subsystem provides a powerful way to handle packets addressed to the host. We recently came across flowtables - a network acceleration feature in the Linux kernel that works like a…
