Every blog post that took off on Hacker News, ranked by the votes of its best submission. 1,615 posts.
For better or worse, Requests for Comments (RFCs) are how we specify many protocols on the Internet. These documents are alternatively treated as holy texts by developers who parse them for hidden meanings, then shunned as irrelevant because they can’t be understood. This often leads to frustration and – more…
My main computer is a MacBook Pro from 2017, but I have some servers laying around and one other laptop connected at home with ArchLinux installed that I use mainly for development. I connect to it remotely either directly using a SSH/Mosh + Tmux + Emacs/Vim combination, or using the pretty convenient VSCode Remote…
[Update, November 18, 2014: check episode 2 with the Latent answer to this post] There’s a thin grey line Between the black and white It’s evidently hard to find at night Depeche Mode, …
wingolog: article: high-performance packet filtering with pflua
In the last few days I've been fortunate to witness an interesting chapter in the Internet's history, and I'm trying to compile a timeline of what has happened while the memories are still reasonably fresh. This is incomplete and a work in progress; I'll be updating it, and n...
Behind a cheap Temu doorbell sits an IoT backend where device IDs are sequential and requests are forgeable with a string baked into every firmware. One signed call lifts any device's persistent password and lets anyone on the Internet hijack the next live call.
Reading a blog post about what’s coming up in JDK 16 recently, I learned that one of the new features is support for Unix domain sockets (JEP 380). Before Java 16, you’d have to resort to 3rd party …
As of 3-30-2020, if you want the “paste-one-line-it-just-works” go to: vpetkov.net/2020/03/30/raspberry-pi-netflix-one-line-easy-install-along-with-hulu-amazon-prime-disney-plus-hbo-spotify-pandora-and-many-others/ ^^^ Please use the post linked above for my “one-line it just works” install ^^^ (Ignore everything…
The top level domain of Slovakia is operated by a private company which abuses its monopoly. In the Central Europe it is something unusual.
The Network Time Protocol (NTP) is a system for synchronizing the clocks of hosts and clients across the Internet. NTP is a protocol intended to synchronize all computers participating in the network to within a few milliseconds of Coordinated Universal Time (UTC). The core of the protocol is NTP’s clock discipline…
Usual Mandatory Disclaimer: IANAC (I am not a cryptographer) so I might likely end up writing a bunch of mistakes in this blog post... ...
There are many problems with the existing Internet email system, such as spam, scam, surveillance, insecurity, centralization, and complexity. The problems are starting to outweigh the benefits of the system. Fixing the problems by evolving the current system seems overwhelmingly difficult. This essay examines some…
Ah. Orange Spain has had their /12 (and likely others) broken by (what appears to be) someone breaking into their RIPE account and making RPKI ROA's to somewher...
Usenet—Netnews—was conceived almost exactly 40 years ago this month. To understand where it came from and why certain decisions were made the way they were, it’s important to understand the technological constraints of the time.
I have been playing with some LTE recordings to brush up my knowledge, since it isn’t a protocol I’m very familiar with. I’m specially interested in understanding the structure and properties of all the pilot signals. Textbooks and documentation are great, but nothing beats getting your hands dirty with some IQ…
Everything a web developer should know about URLs: their nine parts, special characters and encoding, and how relative URLs resolve to absolute ones.
One of the most significant single advancements in telecommunications technology was the development of microwave radio. Essentially an evolution of radar, the middle of the Second World War saw the first practical microwave telephone system. By the time Japan surrendered, AT&T had largely abandoned their plan to…
I’ve been on a mission to use Home Assistant to optimize my home heating, with the dual goals of reducing gas usage and increasing comfort. It’s worked out…
Charlie Arehart - Server Troubleshooting - Testing if a port can be reached, using built-in tools other than 'good old telnet'
Personal site and blog
Don't pick random subnets to avoid IP address conflicts on foreign networks, use VRFs!
I did the thing! I moved IntroCave.com over to IntroMaker.com. It's still a bit of a work in progress ( some thoughts here ), but I decided to break this out as a separate post.
