Cheswick, William R. Firewalls and Internet Security Repelling the Wily Hacker - 2nd - Delhi : Pearson Education, c2003 - XX, 433 p. : ill - Addison Wesley Professional Computing Series . Includes Bibliographical References and Index ISBN: 812970207X ISSN: Subjects--Topical Terms: Firewalls Computer Security Dewey Class. No.: 005.8 / CHE