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networks/ip-addresses-and-ports-the-street-address-and-the-apartment-number.md
IP addresses and ports: the street address and the apartment number
Every message on a network needs two things to arrive: an IP address to find the right computer, and a port to find the right program on…
networks/how-does-example-com-turn-into-an-ip-address-dns-step-by-step.md
How does example.com turn into an IP address? DNS, step by step
Computers find each other by number, not by name. Before your browser can load example.com, it has to find the site's IP address, and…