CompTIA Security+ Certification SY0-601: The Total Course - Network and Port Address Translation

The video tutorial explains Port Address Translation (PAT) and its role in allowing multiple internal devices to access the internet using a single public IP address. It distinguishes PAT from forward proxy servers, highlighting differences in caching and authentication. The tutorial also covers Network Address Translation (NAT) and its similarity to reverse proxies, emphasizing their roles in protecting internal IP addresses while allowing external access to services.

What is the significance of port numbers in Port Address Translation?

How does NAT differ from PAT in terms of functionality?

Describe the role of Network Address Translation (NAT) in protecting internal services.