NAT

Network Address Translation (NAT) is a technique used to remap one IP address space into another, typically to provide internet access for devices within a private network using a single public IP address. NAT modifies the source or destination IP address of packets as they pass through a router or firewall, enabling multiple devices to share a single public IP address while maintaining unique private IP addresses internally. This technique enhances security by hiding internal IP addresses from external networks and helps conserve the limited pool of public IP addresses. NAT is commonly used in home and enterprise networks to facilitate connectivity and improve network management.