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FTP

Port 21Linux

File Transfer Protocol — test anonymous login and check for writable dirs.

// methodology checklist

Step-by-step commands

1

Service scan

howlsec@kali·shell
nmap -p21 -sV -sC $t
2

Anonymous access

howlsec@kali·shell
ftp $t  # user: anonymous, pass: anonymous
howlsec@kali·shell
curl -s ftp://$t/ --user anonymous:anonymous
3

Brute-force

howlsec@kali·shell
hydra -L users.txt -P pass.txt ftp://$t