Horton, Mike. Network security portable reference(E-BOOK) Mike Horton, Clinton Mugge. - New York : McGraw-Hill, c2003. - xxv, 228 p. ; 23 cm. - HackNotes . ISBN: 0072227834 LCCN: 2004268305 Subjects--Topical Terms: Computer networks--Security measures. Subjects--Geographic Terms: E-BOOK Dewey Class. No.: 005.8