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Networking & Internet

The most popular blog posts about networking & internet on Hacker News. 3,019 posts.

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814

HTTP/2 Continuation Flood: Technical Details

Preface In October 2023 I learned about HTTP/2 Rapid Reset attack, dubbed “the largest DDoS attack to date”. I didn’t have deep knowledge of HTTP/2 back then. I knew its basics like frames or HPACK but I was focusing more on HTTP/1.1 protocol and programming languages vulnerabilities. I decided to dedicate time to…

823

Grave flaws in BGP Error handling

Border Gateway Protocol is the de facto protocol that directs routing decisions between different ISP networks, and is generally known as the “glue” that holds the internet together. It’s safe to say that the internet we currently know would not function without working BGP implementations.

830

Technology preview: Sealed sender for Signal

In addition to the end-to-end encryption that protects every Signal message, the Signal service is designed to minimize the data that is retained about Signal users. By design, it does not store a record of your contacts, social graph, conversation list, location, user avatar, user profile name, ...

831

Quantum Resistance and the Signal Protocol

The Signal Protocol is a set of cryptographic specifications that provides end-to-end encryption for private communications exchanged daily by billions of people around the world. After its publication in 2013, the Signal Protocol was adopted not only by Signal but well beyond. Technical informat...

838

Irssi 1.0.0 Released

Irssi 1.0.0 has been released. This release contains many improvements. Irssi 1.0.0 includes contributions by Lukas Mai, Xavier G, Kenny Root, Jari Matilainen, Todd A. Pratt, Manish Goregaokar, B. Thibault, Joseph Bisch, Will Storey, Lauri Tirkkonen, Lauri Nurmi, Tom Feist, Thomas Samson, Dennis Schagt, Mantas…