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RFC8950: Announce IPv4 with an IPv6 next-hop
This post covers how RFC8950 gives the ability to route IPv4 over IPv6 BGP sessions with IPv6 next-hops
Topics /
Networking & Internet
The most popular blog posts about networking & internet on Hacker News. 3,019 posts.
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Calling All Broadcasters
Do you have a Ustream channel? A justin.tv following? A webcam, and a dream? Do you want to help invent the next generation of live streaming? Cool. We’re looking for people like you. BitTorrent Live is a new peer-to-peer live streaming protocol. Built with users, from scratch, it’s designed to take the principles of…
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An underwater landslide knocked out two critical submarine cables serving Africa
On Sunday, August 6, an undersea landslide in one of the world’s longest submarine canyons knocked out two of the most important submarine cables serving the African internet. The loss of these cables knocked out international internet bandwidth along the west coast of Africa. In this blog post, we review some history…
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Linux implementation of Homa, a protocol to replace TCP for low-latency RPC
Programming note: I will be taking a several week break from writing paper reviews for the summer. When we come back, I will be finishing off the papers from Usenix ATC and OSDI , then moving on to the great upcoming conferences (my non-exhaustive list is here ). As always, feel free to reach out on Twitter with…
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HTTP GZIP Compression remote date and time leak
Tor is a service run by a network of volunteers to allow people to use internet anonymously. Normally tor is used to browse the web without being tracked or identified.
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Libations: Tailscale on the Rocks
A deep dive into my home grown cocktail recipe app which speaks Tailscale natively using tsnet, and serves up delicious drinks direct to your tailnet. Libations is built with Go, Nix and Vanilla Framework.
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Detecting VPN (and its configuration) and proxy users on the server side
A lot of people use VPN every day. Somebody use it in always-on mode to circumvent government or corporative internet censorship, while…
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Multiple banking IP addresses hijacked
BGP multiple banking addresses hijacked, Author: Adrien de Beaupre
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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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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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"Out of Band" network management is not trivial
You're probably reading this page because you've attempted to access some part of my blog (Wandering Thoughts) or CSpace , the wiki thing it's part of. Unfortunately you're using a browser version that my anti-crawler precautions consider suspicious, most often because it's too old (most often this applies to versions…
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How the Hourglass Won
The Internet's architecture is viewed as an hourglass: broad application support at the top, narrow waist (IP), wide choice of links below IP
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Wcurl: a curl wrapper to download files
My personal website
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The Federal HTTPS-Only Standard: Necessary and Overdue
The White House Office of Management and Budget has published a new standard recommending full HTTPS on all federal web sites and web services. They are accepting public comments until April 14; if you care about privacy and security, you should weigh in.This post is our public comment: we whole-...
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TLS Termination for Network Load Balancers
When you access a web site using the HTTPS protocol, a whole lot of interesting work (formally known as an SSL/TLS handshake) happens to create and maintain a secure communication channel. Your client (browser) and the web server work together to negotiate a mutually agreeable cipher, exchange keys, and set up a…
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ESR: Cisco provides a lesson
In my last blog post, I made a public stink about language in a so-called Declaration of Internet Freedom , which turned out to be some libertarians attempting to expand and develop the ideas in this Declaration of Internet Freedom . Mostly they did pretty well, except for one sentence they got completely wrong: “Open…
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Poor man's VPN via ssh socks proxy
Redpill Linpro Tech Blog
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Streaming Video and Audio with Low Delay
Data sent over the Internet will traverse a large number of smaller links. The combination of these links forms a path from the sender to the receiver. Sometimes data is lost when it traverses this path. For video and audio streams such losses can lead to playback glitches if not corrected.
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Usenet over NNCP
Usenet, of course, originally ran over UUCP in quite a few cases. Since NNCP is quite similar to UUCP – in fact, you can map UUCP commands to NNCP ones – it is quite possible, and not all that hard, to run Usenet over NNCP. In fact, in a number of ways, it works better than Usenet over UUCP! Introduction to NNCP…
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Decoding DME aircraft radio navigation system with the LimeSDR
DME (distance measuring equipment) is an aircraft radio navigation system that is used to measure the distance between an aircraft and a DME station on ground. DME is often colocated with a VOR station, in which case the VOR provides the bearing information. DME works by measuring the two-way time of flight of pulse…
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HFT in my backyard – V
It’s time to finish the “HFT in my backyard” series. The last week was intense here and around me, and I think at some point it’s good to keep silent. What’s more, this Part V abo…
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The Hetzner Cloud network stack – history and technical overview
Learn how the Hetzner Cloud network stack has evolved and what role Open vSwitch, Private Networks, and Cloud Firewalls play.
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The Orphaned Internet – Taking Over 120K Domains via a DNS Vulnerability
A Hacker's Blog of Unintended Use and Insomnia.
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Apple's secret "wispr" request
When an Apple iOS device (iPhone, iPad, iPod) connects to a WiFi network, the first thing it does is make a request to the URL http://www.ap...