---- Conectándose a xxx (x.x.x.162) port 21
<--- 220 ProFTPD 1.3.0 Server (Debian) [::ffff:192.168.1.2]
---> FEAT
<--- 211-Features:
<---  MDTM
<---  REST STREAM
<---  SIZE
<--- 211 End
---> USER ftp
<--- 331 Anonymous login ok, send your complete email address as your password.
---> PASS ftp
<--- 230 Anonymous access granted, restrictions apply.
---> PWD
<--- 257 "/" is current directory.
---> TYPE I
<--- 200 Type set to I
---> PASV
<--- 227 Entering Passive Mode (x,x,x,x,41,140).
---- Conectando socket de datos a (x.x.x.x) puerto 10636
`prueba.txt' en 0 (0%) [Estableciendo la conexión de datos...]