While FTP is efficient for bulk data, it often operates over two distinct connections: a control connection (port 21) for commands and a data connection for the actual file transfer. For ICC subscribers, this architecture ensures that browsing the server's directory remains responsive even while a large file is being downloaded.
The FTP server hosts plain-text configuration files (often .cfg or .par ). Technicians use FTP clients like FileZilla or WinSCP to download known-good configurations before attempting changes.
and Authorized ISPs. ICC FTP Server is a free FTP service offered by ICC Communication Ltd. general terms and conditions - ICC Communication