TY - BOOK AU - Howlett, Tony TI - Open source security tools : practical applications for security SN - 9780321194435 SN - 200400947 U1 - 005.8 HOW PY - 2005/// CY - Upper Saddle River, NJ PB - Prentice Hall KW - Computer networks - Security measures KW - Computer security KW - Open source software N1 - Includes bibliographical references (p. 555-557) and index ER -