Peter N.M. Hansteen
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Peter N. M. Hansteen is a consultant, writer and sysadmin based in Bergen, Norway. A longtime Freenix advocate, Hansteen is a frequent lecturer on FreeBSD and OpenBSD topics. His expertise as a documentation consultant (and humorous work with the RFC 1149 implementation team) have helped him gain regard in Norwegian IT publications. The Book of PF, Hansteen's first book, is an expanded follow-up to his very popular online PF tutorial.