Nmap NSE net: ftp-anon

Checks if an FTP server allows anonymous logins. If anonymous is allowed, gets a directory listing of the root directory and highlights writeable files. SYNTAX: ftp-anon.maxlist: The maximum number of files to return in the directory listing. By default it is 20, or unlimited if verbosity is enabled. Use a negative number to disable the limit, or '0' to disable the listing entirely.