FTP

ftp ftp://anonymous:anonymous@1.2.3.4
# passive

nxc ftp 1.2.3.4 -u'user' -p'pass'

wget -m --no-passive ftp://anonymous:anonymous@1.2.3.4

Fuzzing

/usr/share/patator/patator.py ftp_login host=TARGET user=root password=FILE0 0=./rockyou.txt

hydra -l user -P rockyou.txt -f 1.2.3.4 ftp