What happens if you ping 127.0.0.1

Emadpres Emadpres 3, 2 2 gold badges 27 27 silver badges 44 44 bronze badges. Add a comment. Active Oldest Votes. Improve this answer. Fabio Mora Fabio Mora 5, 2 2 gold badges 17 17 silver badges 30 30 bronze badges.

Abhinav Abhinav 2, 1 1 gold badge 17 17 silver badges 31 31 bronze badges. I knew that much, but I want more details. Does it need a hack or not? It is part of convention that's been in place for years now.

Unless you build your OS code to treat some other IP address as loop back or setup a firewall that redirects all the requests to a specific set of IP addresses to your loop back address which is The Overflow Blog. Podcast Explaining the semiconductor shortage, and how it might end. There are different types of IP addresses in Computer networks.

One of them is This address is assigned to the local system and can not be used by other systems. We can ping The ping ICMP request will reply with successfully if there is no problem with the operating system network stack.

The IP address range This means Between At first it may seem unecassary to use IP address Loopback Type Ping A loopback address is a special IP address, The loopback address allows for a reliable method of testing the functionality of an Ethernet card and its drivers and software without a physical network.

The loopback interface is used to identify the device. While any interface address can be used to determine if the device is online, the loopback address is the preferred method. Whereas interfaces might be removed or addresses changed based on network topology changes, the loopback address never changes. A DHCP Server is a network server that automatically provides and assigns IP addresses, default gateways and other network parameters to client devices.