Is localhost a valid hostname?

Question

If you were on your local machine, localhost would be your local machine. hostname is simply the nickname for you machine that can or cannot be used a s reference for other services. In many cases, you can substitute hostname. 9 нояб. 2013 г.

Is localhost a hostname?

In computer networking, localhost is a hostname that refers to the current device used to access it. It is used to access the network services that are running on the host via the loopback network interface.

Is localhost a valid server address?

On almost all networking systems, localhost uses the IP address 127.0. 0.1. That is the most commonly used IPv4 “loopback address” and it is reserved for that purpose.

What is a valid host name?

Valid characters for hostnames are ASCII(7) letters from a to z, the digits from 0 to 9, and the hyphen (-). A hostname may not start with a hyphen. Hostnames are often used with network client and server programs, which must generally translate the name to an address for use.

Is localhost a domain name?

The name localhost is reserved by the Internet Engineering Task Force (IETF) in RFC 2606 (June 1999) as a domain name label that may not be installed as a top-level domain in the Domain Name System (DNS) of the Internet.

Expert · Answer