82: Lying to All Sides

Project IDGAF is complete, so I’m back on the new Networking for System Administrators.

Network address translation, or NAT, uses a device that accepts packets bound for the public Internet, rewrites them so they appear to come from the NAT device’s public address, and forwards them to their destination. When the remote site answers, the NAT device rewrites the response so that it goes to the original client. The NAT device maintains a table of connections, and tracks the state of each connectio...