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H.264 is Magic
A high level walkthrough of the basics of video compression techniques used in MPEG, AVC/H.264, codecs.
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The Cuban CDN
On a recent trip to Cuba I brought with me a smartphone and hoped to get Internet access either via WiFi or 3G. I managed that (at a price) but also saw for myself how Cubans get access to an alternate Internet delivered by sneakernet.
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Total Nightmare: USB-C and Thunderbolt 3
Did you buy the new MacBook or MacBook Pro? Maybe the Google Pixel? You're about to enter a world of confusion thanks to those new "USB-C" ports. See, that simple-looking port hides a world of complexity, and the (thankful) backward-compatibility uses different kinds of cables for different tasks. Shoppers have to be…
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The Trouble with CloudFlare
Wednesday, CloudFlare blogged that 94% of the requests it sees from Tor are "malicious." We find...
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IP Spoofing
The recording and slides are available, but for easier consumption here's a transcript.
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Let's Encrypt now fully supports IPv6
Let’s Encrypt is happy to announce full support for IPv6. As IPv4 address space is exhausted, more and more people are deploying services that are only reachable via IPv6. Adding full support for IPv6 allows us to serve more people and organizations, which is important if we’re going to encrypt the entire Web. IPv6 is…
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The End of Gmane?
In 2002, I grew annoyed with not finding the obscure technical information I was looking for, so I started Gmane, the mailing list archive. All technical discussion took place on mailing lists thos…
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Bash on Ubuntu on Windows
At //Build 2016, Microsoft announced the ability to run native Bash and GNU/Linux command-line tools directly on the new Windows Subsystem for Linux
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Running a Tor Exit Node for Fun and E-mails
The Tor Project is a non-profit organization in the United States that created Tor, The Onion Router, a free software that creates an open network of volunteers which helps people anonymize their traffic by routing it through three or more other computers before it reaches its final destination.
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UW engineers achieve Wi-Fi at 10,000 times lower power
With "Passive Wi-Fi," UW computer scientists and electrical engineers have generated Wi-Fi transmissions using 10,000 times less power than conventional methods
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The Tor Project: Building the Next Generation of Onion Services
A few weeks ago, a small group of Tor developers got together in Montreal and worked on onion...
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Hidden latency in the Linux network stack
Back in November we wrote a blog post about one latency spike. Today I'd like to share a continuation of that story. As it turns out, the misconfigured rmem setting wasn't the only source of added latency. It looked like Mr Wolf hadn't finished his job.
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Taking Over DigitalOcean Domains via a Lax Domain Import System
A Hacker's Blog of Unintended Use and Insomnia.
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AWS Application Load Balancer
We launched Elastic Load Balancing (ELB) for AWS in the spring of 2009 (see New Features for Amazon EC2: Elastic Load Balancing, Auto Scaling, and Amazon CloudWatch to see just how far AWS has come since then). Elastic Load Balancing has become a key architectural component for many AWS-powered applications. In…
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Excessive load on NTP servers
Since last Tuesday some countries have seen an excessive number of queries to the NTP Pool. After much detective work on nanog (conclusion) and the #NTP IRC channel it was determined to be a buggy Snapchat app update.