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Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 255 posts.
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Theseus DHT Protocol (2018)
A distributed hash table with unusually strong security properties
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RFC 9420 a.k.a. Messaging Layer Security
Messaging Layer Security has been published. MLS is the first standardized, fully specified, freely accessible end-to-end encryption protocol.
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Deploying key transparency at WhatsApp
WhatsApp has launched a new cryptographic security feature to automatically verify a secured connection based on key transparency. The feature requires no additional actions or steps from users an…
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HTTP/2 zero-day vulnerability results in record-breaking DDoS attacks
The “HTTP/2 Rapid Reset” attack exploits a weakness in the HTTP/2 protocol to generate enormous, hyper-volumetric DDoS attacks. Cloudflare has mitigated a barrage of these attacks in recent months, including an attack three times larger than any previous attack we’ve observed
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Reverse-engineering Ethernet backoff on the Intel 82586 network chip's die
Introduced in 1973, Ethernet is the predominant way of wiring computers together. Chips were soon introduced to handle the low-level aspects...
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The Fediverse is an opportunity learned societies can't ignore
Björn Brembs argues that learned societies should lead developments on federated social media platforms, such as Mastodon.
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Fun with DNS TXT Records
TXT Record Specification Primer # Reading through the RFC Using the Domain Name System To Store Arbitrary String Attributes to summarise the relevant part: Any printable ASCII character is permitted for the attribute name. More importantly, on the restrictions section Some DNS server implementations place limits on…
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Targeted attack on our management with the Triangulation Trojan
So you’ve heard of blockchain. But how can you use it in your enterprise today? Vitaly Mzokov explores the benefits and security challenges.
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WiFi: “beamforming” only begins to describe it (2014)
[Note to the impatient: to try out my beamforming simulation, which produced the above image, visit my beamlab test page - ideally in a brow...
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Your WiFi Can See You
And it's so much worse than you think
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Introduction to Linux interfaces for virtual networking (2018)
Explore common Linux virtual network interfaces, including Bridge, Bonded interface, VLAN, VXLAN, MACVLAN, IPVLAN, MACVTAP/IPVTAP, and more. Learn how to create and use them effectively for your
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Flipboard Begins to Federate
*This post was originally published by Mike McCue.
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Tunnel via Cloudflare to any TCP service
Cloudflare's cloudflared tunnels are commonly used to 'publish' a web server that runs behind a firewall (e.g. making the webserver accessible from the…
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Enabling IPv6 support for IPv4-only apps on Linux
Guest Post: How to easily enable IPv6 support for apps without it.
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Spoofing DNS records by abusing DHCP DNS dynamic updates
Akamai researchers discovered a new set of attacks against Active Directory (AD) using Microsoft DHCP servers that can lead to full AD takeover.
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Ford EV Customers to Gain Access to 12,000 Tesla Superchargers
The official home for stories from Ford. Get the latest news, in-depth vehicle features, media site information, and meet the people and ideas driving our company forward.
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New macOS malware steals info, including a user's entire Keychain database
ThreatDown detects new macOS malware like MacStealer that targets Keychain databases and steals sensitive user information. Talk to our security team.
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Closing a stale SSH connection
Suppose you’re connected to a remote host with SSH and after a while the SSH session goes stale. The terminal is unresponsive and no keypress seem to take effect. There might be something with the network, the remote host is restarting or maybe your machine has been in hibernation, there could be multiple reasons for…
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Faster MySQL with HTTP/3
In this article we explore how our HTTP/3 API compares to the latency of a traditional MySQL client.
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Happy 50th Birthday, Ethernet
Why has Ethernet endured as a ubiquitous data framing protocol over all these years?
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OpenSSH versus SSH
You're probably reading this page because you've attempted to access some part of my blog (Wandering Thoughts) or CSpace , the wiki thing it's part of. Unfortunately you're using a browser version that my anti-crawler precautions consider suspicious, most often because it's too old (most often this applies to versions…
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When can two TCP sockets share a local address?
If I navigate to https://blog.cloudflare.com/, my browser will connect to a remote TCP address from the local IP address assigned to my machine, and a randomly chosen local TCP port. What happens if I then decide to head to another site?
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New LoRa RF distance record
The long term LoRaWAN® distance world record of 832 km / 517 mi has been broken. The new record now stands at 1336 km / 830 miles. After 3 years, the new world
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Jitsi Meet Flutter SDK
Flutter‘s initial release occurred in 2017, the same year as the introduction of our mobile apps and mobile SDKs. For those who are unfamiliar with it, Flutter is one of the most popular frameworks for […]
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X.com is Twitter, but what are [a-z].com?
An exploration into the internet's most simple domain names
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Surpassing 10Gb/S over Tailscale
Discover how Tailscale achieved over 10Gb/s throughput on Linux using advanced UDP segmentation and checksum optimizations. Explore benchmarks, results, and the innovations powering wireguard go's latest performance leap.