localhost and 127.0.0.1

Question

Why can I use 127.0.0.1 to access successfully, but when I use localhost, it shows that I am not on the server?

Answer 1

You modify the hosts file of this machine.

window is under c:\windows\system32\drivers\etc, add 127.0.0.1 localhost

Linux is under /etc/ Add 127.0.0.1 localhost

to the hosts file