anonymous FTP 
noun [mass noun] Computing
An implementation of an FTP server that allows anyone who can use FTP to log on to the server, using a general username and without a password check: altruistic people make these lists of lists available by anonymous FTP...
- That's all you need to know about setting up a simple and secure anonymous FTP server.
- But on many systems, limited anonymous FTP access is enabled by default.
- Due to the lack of search engines, users had to know the site's address prior to use and had also to understand anonymous FTP.