It is a protocol used to submit your website to hosting servers.
You can create an ftp account in your MailBox Hosting control panel and send your site to our hosting servers via ftp programs.

Among the most common programs known and used are winscp and filezilla. You can use one of these ftp programs and send your website files to our servers.

Simple passwords that can be guessed should be avoided in ftp programs.

Usually the default ftp port is 21.