Perhaps you shouldn’t rely on PDF encryption (it’s broken)
PDF encryption is broken. Here's why and what you can do about it.
Real world Log4j hacks (Minecraft)
You probably heard of the Log4j vulnerability by now, and you probably know that (the original) Minecraft is written in Java, and so is the server, and it uses Log4j. So, Minecraft servers are affected by this. I do run a small Minecraft server network (https://www.bitloco.org) but I haven't had [...]
Linux and the magic of pcspkr
Background If you grew up in the 90s you might remember "PC Speakers", not to be confused with "computer speakers", the ones that you plug into a 3.5mm jack and use to listen to things, and instead I mean those small built-in speakers that could play basic sounds, and with [...]
How I got Minecraft DDoS protection at home
Background Some time ago, at the end of last year or so, I did set up a Minecraft server at home. It's public, in the sense that anyone can join, but it's not listed anywhere other than on its small website. So, for now it's used by friends only. But [...]
What is Synology LXQt?
A hidden gem, that's what it is! You see, I always liked how Synology has a web interface that is like a desktop, with windows and applications that really make you feel like you're "computing in the cloud". Of course a Synology NAS has its limits as to what you [...]
Why you probably shouldn’t double-hash passwords and some thoughts
I had some thoughts about password hashing and password strength, and would like to share those with you. First we'll look into hashing and then into the topic of commonly used passwords, password strength, and possible ways to enforce strong passwords.