FTP
nmap $IP -p 21 -sV -OBruteforce with Hydra
Section titled “Bruteforce with Hydra”hydra -L /usr/share/metasploit-framework/data/wordlists/unix_users.txt -P /usr/share/metasploit-framework/data/wordlists/unix_passwords.txt $IP ftp
Bruteforce with Nmap
Section titled “Bruteforce with Nmap”nmap $IP --script ftp-brute --script-args userdb=/path/to/users -p 21Anonymous Login
Section titled “Anonymous Login”nmap $IP --script ftp-anon