21 - FTP

//ftp command
ftp <FQDN/IP> 	Interact with the FTP service on the target.
nc -nv <FQDN/IP> 21 	Interact with the FTP service on the target.
telnet <FQDN/IP> 21 	Interact with the FTP service on the target.
openssl s_client -connect <FQDN/IP>:21 -starttls ftp 	Interact with the FTP service on the target using encrypted connection.
wget -m --no-passive ftp://anonymous:anonymous@<target>/<port> 	Download all available files on the target FTP server.
get <파일명> #파일 가져오는명령어 
put <file name> # file upload command