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New
The latest blog posts to take off on Hacker News. 204 posts.
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Binary SMS – The old backdoor to your new thing
A Accenture oferece oportunidades que surgem a partir da disrupção tecnológica em todas as indústrias, em todos os países, todos os dias. Saiba mais!
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WHOIS blackout period likely starting in May
What do you do when you want to look up the owner of a domain name? You probably perform a "WHOIS search" to find out the owner's name and contact information. The WHOIS system, which makes certain domain registration data publicly available, is an invaluable research tool for trademark owners a...
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HTTP headers we don't want
HTTP headers are an important way of controlling how caches and browsers process your web content. But many are used incorrectly or pointlessly, which adds overhead at a critical time in the loading of your page, and may not work as you intended.
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Wi-Fi alliance announces mesh networking standard
Explore our portfolio of alternative topology and architecture technologies that improve efficiency and scalability of Wi-Fi® networks.
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Enter the Matrix – A technical overview and guide to all things Matrix
Matrix is a protocol for decentralised, federated and secure communications, created and maintained by New Vector, a company split between London, UK and Rennes, France. It's based on RESTful HTTP/JSON APIs, documented in open specifications, and is designed to be usable for anything that requires real-time-ish…
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Passive Wi-Fi: Bringing Low Power to Wi-Fi Transmissions
Bryce Kellogg, Vamsi Talla, Shyamnath Gollakota, and Joshua R. Smith, University of Washington
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Mozilla Fights for Net Neutrality This May (and Always)
Mozilla is continuing to fight for net neutrality — in the courts, alongside Americans, on Twitter and, today, by joining the Red Alert protest. The Red
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Shortwave Trading: The West Chicago Tower Mystery
Since 2014 this blog has extensively covered the wireless networks built by high-frequency trading (HFT) firms or network providers to reduce latencies between the different exchanges around the wo…
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A Recycled IP Address Caused Me to Pirate Books by Accident
Let me tell you a story on how a subdomain of mine managed to serve 390,000+ PDF books without any of my servers being compromised.
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Twitter suspended our Open Data project's account and wiped all our followers
On Saturday evening, I was disturbed to discover that our OpenBenches Twitter Account had been suspended! To be clear, OpenBenches posts photos of benches. That’s it. No porn, no spam, no enc…
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Cilium 1.0: Bringing the BPF Revolution to Kubernetes Networking and Security
The past few months have been incredibly exciting for the Cilium and BPF community, with rapid adoption and contributions from major ...
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Amazon threatens to suspend Signal's AWS account over censorship circumvention
Last week, we received the following email from Amazon: From: [redacted], [redacted] <[redacted]@amazon.com> Subject: Notification of potential account suspension regarding AWS Service Terms Moxie, Yesterday AWS became aware of your GitHub and Hacker News/ycombinator posts des...
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The Power to Revoke Lies with the Certificate Authority
For those that read my blog often you may have seen me talk about EV certificates before. From a technical perspective there are many things that I don't agree with about EV certificates and from a non-technical perspective there are many things I don't like about the
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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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BGP leaks and cryptocurrencies
Over the few last hours, a dozen news stories have broken about how an attacker attempted (and perhaps managed) to steal cryptocurrencies using a BGP leak.
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Hijack of Amazon’s domain service used to reroute web traffic for two hours
Between 11am until 1pm UTC today, DNS traffic — the phone book of the internet, routing you to your favourite websites — was hijacked by an…
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Geolocating requests with Google Load Balancer for free
Insights, guides, and product updates from Cloud Intelligence™.
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So Long Last /8 and Thanks For All the Allocations
On 17 April 2018, we allocated the last available block of 1,024 addresses in 185/8 - the last /8 we received from IANA back in 2011. This article looks at how this address space was allocated and how it is used today. It's important to keep in mind that while 185/8 is finished, we still have aroun…
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Using USB-VGA dongles as SDR transmitter
Yesterday, during OsmoDevCon 2018, Steve Markgraf released osmo-fl2k, a new Osmocom member project which enables the use of FL2000 USB-VGA adapters as ultra-low-cost SDR transmitters. How does it wor
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Mapping the internet with Hilbert curves
The internet is big. Really big . You just won’t believe how vastly, hugely, mind-bogglingly big it is. I mean, you may think the /22 you got as a LIR was big, but that’s just peanuts to the internet.
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Shortest bit sequence that's never been sent over the Internet (2017)
We can never know for sure because we don't have a comprehensive list of all the data. But what can we say probabilistically? Restating it like so:
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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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Abusing Linux's firewall: the hack that allowed us to build Spectrum
Introducing Spectrum: a new Cloudflare feature that brings DDoS protection, load balancing, and content acceleration to any TCP-based protocol.Today we are releasing Spectrum.
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ACE Submarine Cable Cut Impacts Ten Countries
Oracle Blog
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Sunsetting Tor Messenger
In 2015, we introduced Tor Messenger, a cross-platform chat program that aimed to be secure by...
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Oblivious DNS: Plugging the Internet’s Biggest Privacy Hole
by Annie Edmundson, Paul Schmitt, Nick Feamster The recent news that Cloudflare is deploying their own DNS recursive resolver has once again raised hopes that users will enjoy improved privacy, since they can send DNS traffic encrypted to Cloudflare, rather than to their ISP. In this post, we explain why this approach…