UnderLinux : Can you tell us something about you, your country, your work and your activities with free software ?
Harald : I'm a 22 years old computer geek from Germany. The beginning of my 'linux career' was the necessity of running a gatway between FIDO, UseNet and ZConnect (some proprietary german message format used in the so-called Z-Netz). I tried using KA9Q on DOS, didn' succeed and had a look at linux. I've never had any experience with unix-like operating systems before. After learning about administration, shell scripts, perl programming and unix C programming, I spent a couple of years installing, configuring and customizing linux-based mail-, news-, web- and fileservers. Later on, I was contracted for custom software development on linux and solaris. During that time I always tried to contribute bugfixes and new features back to the free software projects I've been working with. I am a very religious member of the free software community (see also my gnumonks.org domain name). My favourite subject within computing has always been firewalling. Considering this, it's not too surprising that I tried the 'new' netfilter/iptables code in is's early development state during 2.3.x linux kernels. There were some features missing, and I started to implement some of them. I got more and more involved with the project, resulting in me becoming the fourth member of the netfilter/iptables core team in October 2000.
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