determine-ftp-version on targets

msf > use auxiliary/scanner/ftp/ftp_version
msf auxiliary(ftp_version) > set RHOSTS 127.0.0.1
msf auxiliary(ftp_version) > set RPORT 21
msf auxiliary(ftp_version) > exploit

[*] 127.0.0.1:21          - FTP Banner: '220 (vsFTPd 3.0.3)\x0d\x0a'
[*] Scanned 1 of 1 hosts (100% complete)
[*] Auxiliary module execution completed