API & URLs

localhost

Your own computer, as an address — localhost:1234 is a server running on this machine, port 1234.

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  • API & URLs
  • Concepts

Alternate definitions 2

Definition 2API & URLs

A special hostname that always means 'this computer' — using it ensures the connection never leaves your machine.

API & URLs · curriculum materials

Definition 3Concepts

A special hostname that always refers to your own computer, so a service at localhost is only reachable from that same machine.

Concepts · curriculum materials

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