Loopbackosoitteet
Loopbackosoitteet, often referred to as loopback addresses, are special IP addresses used for network testing and management. They are reserved for internal use within a host and are never routed across physical networks. The most common loopback address is 127.0.0.1, which corresponds to the IPv4 loopback interface. For IPv6, the loopback address is ::1.
When a device sends data to a loopback address, the data is processed entirely within the device's
Applications can also use loopback addresses to communicate with themselves or with other services running on
The loopback interface is a virtual interface, meaning it doesn't correspond to any physical network hardware.