The latest blog posts to take off on Hacker News. 172 posts.
Our old hosting provider was having network issues... again. There had been a network split around 3:20 AM, which had caused a few of our worker servers to become disconnected from the rest of our network. The background jobs on those workers kept trying to reach our other services until their timeout was reached, and…
Before we get started, fair warning: this is going to be a post about a fairly absurd (but non-trivial!) attack on cryptographic systems. But that’s ok, because it’s based on a fairly a…
The big news in crypto today is the KRACK attack on WPA2 protected WiFi networks. Discovered by Mathy Vanhoef and Frank Piessens at KU Leuven, KRACK (Key Reinstallation Attack) leverages a vulnerab…
https://bit.ly/crazymobiledemo
Traceroute can points to a link having terrible latency, but despite what it appears, it's easy to misread the output and jump to the wrong conclusion.
SMS Privacy is available as a Tor hidden service, and it turns out ~10% of users actually use it that way. This post details what I found when somebody created a phishing site of my Tor hidden service.
A short introduction to p2p social networking with Rotonde & Beaker Browser.
As opposed to the public telephone network, the internet has a Packet Switched design. But just how big can these packets be?
You and your good buddy, Steve Steveington, are in training for an arduous charity walk. You signed up together on the spur of the moment and pledged to hold each other accountable whilst you got in shape for the big day. However, you have developed reason to suspect that Steve Steveington is losing his commitment to…
Posted by Fermin J. Serna, Staff Software Engineer, Matt Linton, Senior Security Engineer and Kevin Stadmeyer, Technical Program Manager O...
Early this year, the Internet Archive put out a call for a distributed web . We heard them loud and clear.
Catalonia, with Barcelona as its capital, is currently one of Spain’s seventeen autonomous comunities. It has a long story of pro-independence movements, and has even declared itself independent in the past. Nowadays, the political climate is very heated up. A majority of catalan people want to hold a referendum for…
Session Tickets, specified in RFC 5077 , are a technique to resume TLS sessions by storing key material encrypted on the clients. In TLS 1.2 they speed up the handshake from two to one round-trips.
Load balancers are the point of entrance to the datacenter. They are on the critical path to access anything and everything. That give them some interesting characteristics. First, they are the mos…
At Signal, we’ve been thinking about the difficulty of private contact discovery for a long time. We’ve been working on strategies to improve our current design, and today we’ve published a new private contact discovery service. Using this service, Signal clients will be able to efficiently and s...
UW researchers have demonstrated for the first time that devices that run on almost zero power can transmit data across distances of up to 2.8 kilometers — brea
In my article detailing the command line utilities available for configuring and troubleshooting network properties on Windows and Linux, I mentioned some Linux tools that, while still included and…
Following the disclosure of the BlueBorne attack vector this past September, Armis discovered that critical Bluetooth vulnerabilities impact the Amazon Echo and Google Home.
With the rise of novel wireless technologies, we surprise ourselves over and over again of what these technologies are capable of. LoRa has been around now for
Elastic Load Balancing (ELB) has been an important part of AWS since 2009, when it was launched as part of a three-pack that also included Auto Scaling and Amazon CloudWatch. Since that time we have added many features, and also introduced the Application Load Balancer. Designed to support application-level…
