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Questions related to localhost, loopback. On most computer systems, localhost resolves to the address 127.0.0.1, which is the most-commonly used IPv4 loopback address, and to the IPv6 loopback address ::1.

On most computer systems, localhost resolves to the address 127.0.0.1, which is the most-commonly used IPv4 loopback address, and to the IPv6 loopback address ::1. Using the loopback interface bypasses local network interface hardware.

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