Yanek Korff, Paco Hope, Bruce Potter. Mastering FreeBSD and OpenBSD security - building, securing, and maintaining BSD systems. O Reilly, 2005. [doi]
@book{0012896,
title = {Mastering FreeBSD and OpenBSD security - building, securing, and maintaining BSD systems},
author = {Yanek Korff and Paco Hope and Bruce Potter},
year = {2005},
url = {http://www.oreilly.de/catalog/mfreeopenbsd/},
tags = {security},
researchr = {https://researchr.org/publication/0012896},
cites = {0},
citedby = {0},
publisher = {O Reilly},
isbn = {978-0-596-00626-6},
}