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The most popular blog posts about networking & internet on Hacker News. 223 posts.
Celebrate SFP Liberation Day with Ubiquiti’s new SFP Wizard, the $49 portable tool that tests and programs any SFP or QSFP module in seconds. Enjoy up to 1000% off Ubiquiti SFPs and unlock true universal compatibility across every switch and network.
How dare you!
This post is written by a human being (me).
It's normal for post-quantum cryptography to be rolled out as an extra layer of security on top of traditional pre-quantum cryptography, rather than as a replacement .
I should have titled this post “I hate S3”. 📢 What is the status quo? FTP is dead (yay), SFTP is too dependent on SSH and unix authentication. AWS made S3 pervasive and now every webapp that needs to store files assumes you’ll be able to connect it S3. This …
Yesterday I read this toot (German) over on mastodon which starts with “IPv6 is hard.” No it’s not. It’s different. I ran across this multiple times: There is an A and an AAAA-record for a FQDN, but the web server is only reachable via IPv4. You can easily test this with curl $ curl -4 https://github.com -o /dev/null…
Learning how the IMAP protocol actually works
Epirus announced today the results of an August 26 demonstration of the company’s Leonidas high-power microwave (HPM) system that delivers weaponized…
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…
We’ve started delivering independent search results from our European-based index. This will help us build the kind of ethical and fair internet we believe in.
Inside PgDog's wire protocol handling: parsing simple and extended messages, using pg_query for AST inspection, and routing queries via the Postgres hash partition function.
subsea cables, internet infrastructure, telecom infrastructure, 2Africa, new subsea cable projects, layer 1 pricing on key international routes,
Grants are Tailscale’s next generation of access controls that combine network and application capabilities into a single syntax.
The Great Firewall of China (GFW) conducted a large-scale, unconditional block targeting TCP port 443 on August 20, 2025. This report documents the measurements and analysis we conducted of that event.
Since a years we know, or might suspect, our chats are listend on, our uploaded files are sold for advertising or what purpose ever and the chance our social messengers leak our private data is incredibly high. It is about time to work against this.
I wrote a browser extension to try and make finding random, independent websites more fun.
This post investigates how we got from Wi-Fi Direct to AWDL to Wi-Fi Aware, what makes Wi-Fi Aware technically superior, and why this shift unlocks true cross-platform peer-to-peer connectivity for developers.
Hi, I’m Brent “Brentmeister” Randall and I’m an engineer on the Gameplay Integrity team for VALORANT . My team is responsible for VALORANT ’s build system, automation framework, game client performance, and server performance. In this arti…
“It’s always DNS” is a famous meme among network people. Name resolution is technically quite simple. It’s “just” translating a hostname like jan.wildeboer.net to an IP address. What could possibly go wrong? I am a radical optimist and detail-obsessed knowledge collector, so I decided to find out. As part of my goal…
Solving a boot-time power challenge on PoE+ x86 systems by creating our own UEFI app to handle LLDP power negotiation at the firmware level, allowing our machines to request higher power from network switches before the OS loads.
On November 27, 2025, we will shut down our search proxy, Leta.
All web browsing starts with a DNS query to find the IP address for the desired service or website. For much of the internet’s history, this query is sen
It's been a quiet year at geminiprotocol.net thus far. I've let two "Apollo days" slip by without a word. I'm about as disappointed in myself for this as I expect many folks are unsurprised by it. I do still have plans and clear ideas for finalising the minor oustanding spec issues. I'd tell people to look forward to…
Thoughts on its role and impact on the web’s landscape.
lol. I minted a new TLS cert and it seems that OpenAI is scraping CT logs for what I assume are things to scrape from, based on the near instant response from ...
Cloudflare is launching an experiment with Chrome to evaluate fast, scalable, and quantum-ready Merkle Tree Certificates, all without degrading performance or changing WebPKI trust relationships.
The Internet Slum
From April 2026, only verified devices can send or receive end-to-end encrypted message on Element.
1 Prologue A while ago, I took a flight from Canada back to Hong Kong - about 12 hours in total with Air Canada. Interestingly, the plane actually had WiFi: However, the WiFi had restrictions. For Aeroplan members who hadn’t paid, it only offered Free Texting, meaning you could only use messaging apps like WhatsApp…
