Deletion of Arpwatch (2nd nomination)

Comment: I concur with {{U|Canley}}'s original analysis in Wikipedia:Articles for deletion/Arpwatch that ''Linux Firewalls, Third Edition'' (Suehring & Ziegler, Novell Press 2006 https://books.google.com/books/about/Linux_Firewalls.html?id=VddQAAAAMAAJ), ''Wireless Hacks'' (Flickenger & Weeks, O'Reilly, 2005 https://books.google.com/books?id=qRFYMgGpWrcC), and ''Real World Linux Security'' (Toxen, Prentice Hall, 2003 https://books.google.com/books?id=_-1jwRwNaEoC) taken together amply demonstrate |notability.  A partial list of other books and research papers covering the subject includes: https://books.google.com/books?id=RVQ4GgKeEtgC, https://books.google.com/books?id=2LsBzAtsExUC, https://books.google.com/books?id=L0bHuGieZWkC, https://books.google.com/books?id=VADbJowCwEQC, https://hal.inria.fr/inria-00153558/document, and http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.442.8665&rep=rep1&type=pdf#page=585 (large
Stance: keep
Cited policy: Wikipedia:Notability (WP:NSOFTWARE)