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33C3 talk on dissecting cellular modems
Yesterday, together with Holger 'zecke' Freyther, I co-presented at 33C3 about Dissectiong modern (3G/4G) cellular modems. This presentation covers some of our recent explorations into a specific type
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The latest blog posts to take off on Hacker News. 189 posts.
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μWWVB: A Tiny WWVB Station
μWWVB is a watch stand that automatically sets the time on atomic wristwatches where regular WWVB signal isn't available.
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Blocking-resistant communication through domain fronting
David Fifield, University of California, Berkeley Chang Lan, University of California, Berkeley Rod Hynes, Psiphon Inc Percy Wegmann, Brave New Software Vern Paxson, University of California, Berkeley and the International Computer Science Institute
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Amazon Dash Button's Wireless Audio Configuration
Update: I’ve learned a bit more and as such, see the bottom of the post for an update. I’ve been slow to update this but now that it’s seeming to be gaining a lot of traffic (lead…
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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.
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The Music Industry Shouldn't Be Able to Cut Off Your Internet Access
EFF, Public Knowledge, and the Center for Democracy and Technology Urge The United States Court of Appeals for the Fourth Circuit to Protect Internet Subscribers in BMG v. Cox. No one should have to fear losing their Internet connection because of unfounded accusations. But some rights holders want...
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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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Say No to Paxos Overhead: Replacing Consensus with Network Ordering
Just say NO to Paxos overhead: replacing consensus with network ordering Li et al., OSDI 2016 Everyone knows that consensus systems such as Paxos, Viewstamped Replication, and Raft impose high over…
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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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IPv6 Support for EC2 Instances in Virtual Private Clouds
Update (7/13/2017): Since this post was published, IPv6 supported has been extended and now supports 15 Regions and Multiple AWS Services. The continued growth of the Internet, particularly in the areas of mobile applications, connected devices, and IoT, has spurred an industry-wide move to IPv6. In accord with a…
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Making every (leap) second count with our new public NTP servers
As if 2016 wasn’t long enough, this year, a leap second will cause the last day of December to be one second longer than normal. But don’t worry, we’ve built support for the leap second into the time servers that regulate all Google services.
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Slack client for Commodore 64
Slack is great. Many smarter people than me also think that Slack is great. Slack is great because its simple and easier to deal with than emails. With all t...
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HPACK: the silent killer (feature) of HTTP/2
If you have experienced HTTP/2 for yourself, you are probably aware of the visible performance gains possible with HTTP/2 due to features like stream multiplexing, explicit stream dependencies, and Server Push.
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DDoS Attacks: Best Practices for Prevention and Response
Late last month, Internet users across the eastern seaboard of the United States had trouble accessing popular websites, such as Reddit, Netflix, and the New York Times....
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98% of sites on Cloudflare now use IPv6
It's 2016 and almost every site using Cloudflare (more than 4 million of them) is using IPv6. Cloudflare sees significant IPv6 traffic globally where networks have enabled IPv6 to the consumer.
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IP Over QR Code
**UPDATE** Some have ask the throughput I am getting, its just about 100 Bytes per second, but hopefully I can improve it :) **UPDATE 2** Removing my custom seq/ack header and it still works and is…
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Mission Improbable: Hardening Android for Security and Privacy
Updates: See the Changes section for a list of changes since initial posting. After a long wait,...
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Announcing SSL Labs Grading Changes for 2017
At SSL Labs, we have a major review of our grading criteria about once a year. As the security of the ecosystem matures, our goal is to push forward and make the requirements [for a good grade]…
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Facebook demonstrates record-breaking data rate using millimeter-wave technology
Visit the post for more.
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IAB Statement on IPv6
The Internet Architecture Board (IAB), following discussions in the Internet Engineering Task Force (IETF), advises its partner Standards Development Organizations (SDOs) and organizations that the pool of unassigned IPv4 addresses has been exhausted, and as a result we are seeing an increase in both dual-stack (that…
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