Lyon, Gordon Fyodor. Nmap network scanning : official Nmap project guide to network discovery and security scanning / Gordon "Fyodor" Lyon. - 1st ed. - Sunnyvale, CA : Insecure.Com, LLC, c2008. - xxix, 434 p. : ill. ; 25 cm. Includes index. ISBN: 9780979958717 (pbk.) 0979958717 (pbk.) LCCN: 2008940582 Subjects--Topical Terms: Computer networks--Security measures--Computer programs.Computer networks--Monitoring--Computer programs. LC Class. No.: TK5105.59 / .L96 2008