TY  - BOOK
AU  - Whitman,Michael E.
AU  - Holden,Greg
TI  - Guide to firewalls and network security: intrusion detection and VPNs 
SN  - 9781435420168 (pbk.)
U1  - 005.8 
PY  - 2009///
CY  - Boston, Mass.
PB  - Course Technology/Cengage Learning
KW  - Firewalls (Computer security)
KW  - Computer networks
KW  - Security measures
KW  - Extranets (Computer networks)
N1  - Previous ed. published as Guide to firewalls and network security by Greg Holden. Boston, Mass.: Course Technology, 2004
ER  -