The IP address 127.0.0.1 is a special IP address that is used in most computers. The 127.0.0.1 IP address is also called a localhost or loopback address. The 127.0.0.1 is a special IP address that is accessible only from the current computer or host. Other network hosts can not access 127.0.0.1 of other hosts.
127.0.0.1 IP Address
The 127.0.0.1 is a special IP address that is also known and used by system administrators, network administrators, application developers. The 127.0.0.1 is only accessible via the current host. Application developers generally run their web applications in 127.0.0.1 for testing or development purposes. Most of the operating systems like Linux, Windows, MacOSX, etc creates a virtual network interface called
Loopback . The Loopback network interface also called as localhost network interface too. The 127.0.0.1 is assigned to this loopback interface in order to work properly.
http://127.0.0.1 Web Page
http://127.0.0.1 is used to serve web pages only in the current host. As stated previously different web applications can be run at 127.0.0.1. The
HTTP is the most popular protocol for web-related communication. The “http://127.0.0.1” means to open the web resources located in the 127.0.0.1 by using the HTTP protocol. If not specified the default HTTP port is 80.
Also, different port numbers can be used for the http://127.0.0.1. In the following example, we connect to the port number 8080 which is added the address like “http://127.0.0.1:8000”.
Magic of http://127.0.0.1
The IP address 127.0.0.1 has magic which is we can used the
127.0.0.1/8 IP range in order to use it. For example the IP address 127.3.4.5 refers to the same loopback interface and “http://127.3.4.5” can be used like below.