00597nam a22001337a 4500020002300000020002100023082001500044100007400059245007400133260003900207300003400246500003300280650015000313  a978435420168 (pbk)  a1435420160 (pbk)  a005.8bGUI  aMichael.E. WhitmanaHerbert J. MattordaRihard D. AustinaGreg Holden10aGuide to firewalls and network securitybintrusion detection and VPNs  aAustraliabCourse technologyc2009  axxiv, 496 p.b; ill.c: 23 cm  aIncludes glossary and index.  aComputer scienceaComputer securityvInformation securityvNetworking fundamentalsvTransport layersvSecurity educationvTelecommunicationvRISE