Definitions for "Loopback address"
0:0:0:0:0:0:0:1(or just : :) It is a special IPv6 address that allows the system to send a message to itself for testing. Other IPv6 special addresses are:unspecified address, site-local address,link-local address,multicast and anycast addresses.
The IP address, which has been specified by the Internet Engineering Task Force as the IP address to use in conjunction with a loopback driver to route outgoing packets back to the source computer. See also loopback driver.
an address that tells the computer not to test its connections to another computer, but to test its own basic network setup
Keywords:  traffic, zone, enables, host, direct
A zone that enables the server to direct traffic to itself. The host number is almost always