FTP is an Internet standard for transferring files over the Internet. FTP programs and utilities are used to upload and download Web pages, graphics, and other files between local media and a remote server which allows FTP access.
Source(s):
NIST SP 800-82 Rev. 2
from
API 1164
A service that supports file transfer between local and remote computers.
Source(s):
NIST SP 800-47