There is no place like 127.0.0.1

The IP address 127.0.0.1 is a special purpose address reserved for use on each computer.127.0.0.1 is a reserved IP address corresponding to the host computer. It is the standard IP address used for a loopback network connection.

This means that if you try to connect to 127.0.0.1, you are immediately looped back to your own machine. The address 127.0.0.1 is defined by the TCP/IP protocol as a reserved address that routes packets back to the host.