Userboxes de Dieser Benutzer spricht Deutsch als Muttersprache. en-5 This user can contribute with a professional level of English. fr-2 Cet utilisateur peut contribuer avec un niveau intermédiaire en français. This user is from Earth. This user is a citizen of the European Union. This user comes from Germany. This user comes from NRW. This user lives in Cologne. This user is a cryptologist and actually understands how SHA works.

Welcome, unknown visitor,

to yet another Wikipedian profile. My daily job includes management of IPv4/ v6 networks, Unix and FreeBSD administration (and, unfortunately, hording some Windows boxes as well). I try to be somewhat literate concerning the Layers 2-4 of the OSI model.

A less job-related hobby is cryptology and its practical use, e.g. in IPsec, GnuPG or X.509.

Currently working on governmental procurement projects concerning radar technology with a focus on PCL applications.

... to be continued ...