Preetham, V.V. Internet security and firewalls / V.V. Preetham with NIIT - Cincinnati, Ohio : Premier Press, c2002 - 337 p. : ill. Includes index ISBN: 1931841977 Subjects--Topical Terms: INTERNET--SECURITY MEASURESFIREWALLS (COMPUTER SECURITY) LC Class. No.: TK5105.59 / P733I