TY - BOOK AU - Whitman,Michael E. AU - Mattord,Herbert J. AU - Green,Andrew TI - Guide to firewalls and VPNs SN - 9781111135393 (pbk.) : AV - TK5105.59 .W49 2012 PY - 2012/// CY - Boston, MA PB - Course Technology, Cengage Learning KW - Computer networks KW - Security measures KW - Problems, exercises, etc KW - Computer security KW - Firewalls (Computer security) KW - Extranets (Computer networks) N1 - Includes index; Previous edition titled: Guide to firewalls and network security: intrusion detection and VPNs ER -