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No, SAR Can't See Through Buildings
Explore Capella blogs, case studies, and insights on SAR, space systems, and Earth intelligence.
New
The latest blog posts to take off on Hacker News. 3,021 posts.
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Cerulean: Experimental micro-blogging app for Matrix
Matrix, the open protocol for secure decentralised communications
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Adding Encrypted Group Calls to Signal
2020 has seen its fair number of challenges and changes. We’ve all adapted to new ways of staying in touch, getting work done, celebrating birthdays and weddings, and even exercising. As more and more of our critical and personal moments move online, we want to continue to provide you with new wa...
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TP-Link Archer VR1600V V2 Super User Password Cracked
Well the news is out, I won’t explain the method for reasons, but our code warriors have a new fight. After requesting the SU password, they were told flat out it doesn’t exist and refe…
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Amazon owns more than $2B worth of IPv4 addresses
Amazon owns almost 110M IPV4 addresses. At the lower end of the market price this is over $2B.
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Good-bye ESNI, hello ECH!
A deep dive into the Encrypted Client Hello, a standard that encrypts privacy-sensitive parameters sent by the client, as part of the TLS handshake.
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Improving DNS Privacy with Oblivious DoH
Oblivious DoH (ODoH) makes secure DNS over HTTPS (DoH) queries into private queries which prevent the leakage of client IP addresses to resolvers. The new proposed ODoH standard addresses this problem and today we are enabling users to use this protocol with 1.1.1.1
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Gitter now speaks Matrix
Matrix, the open protocol for secure decentralised communications
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72% of smart TVs and 46% of game consoles hardcode DNS settings
Welcome Hacker News readers!• Thank you to M. Hammad Mazhar for his research that inspired this guide.• @healyio made some great additional suggestions in th...
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Maybe we shouldn't want a fully decentralized web
Why I have stopped working with IPFS and the distributed web
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HTTP/2 Push is dead
One of the hot features that came with HTTP/2 was PUSH frames. The main idea is that if the server can predict what requests a client might want to make, the server can preemptively send request/response pairs to the client and warm its cache.
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Cyberespionage Using SS7 via Circles
Circles is a surveillance firm that reportedly exploits weaknesses in the global mobile phone system to snoop on calls, texts, and the location of phones around the globe, and is affiliated with NSO Group, which develops the oft-abused Pegasus spyware. Using Internet scanning, we found a unique signature associated…
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Only distributed fact-checking can keep up with democratized distribution
Tragedy of the comments
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Goodbye PowerDNS
After over 20 years of DNS and PowerDNS, I am moving on. Separate from this page, I am releasing a series of three huge posts on the history of PowerDNS.
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A look at Chang’e 5 telemetry
Chang’e 5 is a Chinese lunar sample return mission. It was launched a few days ago on 2020-11-23 from Wenchang and is estimated to perform lunar orbit injection on Saturday. Since then, a number of Amateurs such as USA Satcom , Paul Marsh M0EYT , Scott Tilley VE7TIL , Fer IW1DTU and others have been receiving the…
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US internet speeds 91% faster in 2020 according to user speed tests
Internet speeds in the US were more than twice as fast as Europe's in 2021.
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TCP Performance problems related to Nagle’s Algorithm and Delayed ACK (2005)
This page describes a TCP performance problem resulting from a little-known interaction between Nagle’s Algorithm and Delayed ACK. At least, I believe it’s not well known: I haven’t seen it documented elsewhere, yet in the course of my career at Apple I have run into the performance problem it causes over and over…
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Another free CA as an alternative to Let's Encrypt
Let's Encrypt is an amazing organisation doing an amazing thing by providing certificates at scale, for free. The problem though was that they were the only such organisation for a long time, but I'm glad to say that the ecosystem is changing. It's always a good idea
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Mozilla DNS over HTTPS (DoH) and Trusted Recursive Resolver (TRR) Comment Period
We're crowdsourcing ideas and recommendations to help us enhance the privacy and security benefits of DNS-over-HTTPS (DoH) for users around the world
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Big no on Big Sur: Mullvad disallows Apple apps to bypass firewall
Despite Apple’s changes to macOS with the release of Big Sur, we can confirm that the Mullvad app still performs as intended by not allowing Apple’s own apps to bypass our VPN firewall.
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Ok Google: please publish your DKIM secret keys
The Internet is a dangerous place in the best of times. Sometimes Internet engineers find ways to mitigate the worst of these threats, and sometimes they fail. Every now and then, however, a major …
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Achieving 100Gbps intrusion prevention on a single server
Achieving 100 Gbps intrusion prevention on a single server, Zhao et al., OSDI’20 Papers-we-love is hosting a mini-event this Wednesday (18th) where I’ll be leading a panel discussion including one …
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Does Apple really log every app you run? A technical look
Apple’s launch of macOS Big Sur was almost immediately followed by server issues which prevented users from running third-party apps on their computers. While a workaround was soon found by people on Twitter, others raised some privacy concerns related to that issue.
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GNUnet 0.14.0
GNU's framework for secure p2p networking
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Using Matrix to replace proprietary and centralized chat apps
The website of Jae.
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eBPF – The Future of Networking and Security
Isovalent, the company behind Cilium, is announcing its $29M Series A financing round. Lets take a deeper look into where eBPF-based ...
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OpenBSD Router Guide
NOTE: Currently this guide only deals with IPv4 as most people still don't use IPv6 and many ISPs also still only use IPv4, but IPv6 is planned for a future update of the guide.
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