What Is NAT?


Quick Answer

Network address translation (NAT) limits the number of public IP addresses an organization must use by assigning a public address to a computer inside of the organization's private network. NAT typically uses a firewall to assign the public address as an extra security feature.

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Full Answer

NAT makes a connection between an internal workstation inside the network and an Internet resource. The workstation initiates the request, which is then recognized as a request for a resource outside the network by network routers. The router then sends the request to the internal firewall. The firewall then sends the request to the Internet resource and returns the response to a computer inside the network.

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