Firewalls and Network Security

Dr. Soper discusses firewalls and network security. Topics covered include network vulnerabilities, port scanning, network segmentation, firewall security policies, the OSI reference model, packet filtering gateways, stateful inspection firewalls, application proxy gateways, circuit-level gateways, guards, personal firewalls, encryption in the context of network security, network address translation (NAT), and establishing a network security perimeter.