Firewalls and Security Appliances

The video tutorial discusses the importance of network security and the integration of various security tools and appliances. It explains the concept of firewalls, their purpose in controlling network communications, and the different types of firewalls, including network layer, transport layer, application layer, and context-aware firewalls. The tutorial also covers proxy servers, reverse proxy servers, and NAT firewalls, highlighting their roles in protecting and managing network traffic.

Explain how a proxy server functions in network security.

What role does Network Address Translation (NAT) play in firewall security?