Tag: Network Address Translation
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NAT Gateway
A Network Address Translation (NAT) Gateway is an essential component for managing outbound internet traffic from private subnets within an Amazon Virtual Private Cloud (VPC). It allows instances in private subnets to access the internet for tasks like software updates and accessing external APIs without exposing those instances to inbound internet traffic. This guide will…
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DNAT (Destination Network Address Translation)
Destination Network Address Translation (DNAT) is a network protocol technique within NAT, designed to remap destination IP addresses on packets as they traverse routers or firewalls. Primarily used to expose private network services to the internet, DNAT modifies the packet’s destination address so that external clients can interact with an internal server through a public…
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Network Address Translation (NAT)
Network Address Translation (NAT) is a pivotal mechanism enabling multiple devices to share a single public IP address, thereby conserving IPv4 address space. This article delves into NAT’s intricacies, exploring its types, operational modes, and implications on network security and performance. NAT Fundamentals NAT operates by modifying IP packet headers, substituting private IP addresses with…