Esto es lo que sale en FileZilla y lo ultimo que he probado abrir los puertos del router.

FileZilla Server version 0.9.37 beta
Copyright 2001-2010 by Tim Kosse (tim.kosse@filezilla-project.org)
Connecting to server...
Connected, waiting for authentication
Logged on
(000016)06/05/2011 14:40:39 - (not logged in) (192.168.1.129)> Connected, sending welcome message...
(000016)06/05/2011 14:40:39 - (not logged in) (192.168.1.129)> 220-FileZilla Server version 0.9.37 beta
(000016)06/05/2011 14:40:39 - (not logged in) (192.168.1.129)> 220-written by Tim Kosse (Tim.Kosse@gmx.de)
(000016)06/05/2011 14:40:39 - (not logged in) (192.168.1.129)> 220 Please visit http://sourceforge.net/projects/filezilla/
(000016)06/05/2011 14:40:40 - (not logged in) (192.168.1.129)> USER anonymous
(000016)06/05/2011 14:40:40 - (not logged in) (192.168.1.129)> 331 Password required for anonymous
(000016)06/05/2011 14:40:40 - (not logged in) (192.168.1.129)> PASS ******
(000016)06/05/2011 14:40:40 - anonymous (192.168.1.129)> 230 Logged on
(000016)06/05/2011 14:40:40 - anonymous (192.168.1.129)> SYST
(000016)06/05/2011 14:40:40 - anonymous (192.168.1.129)> 215 UNIX emulated by FileZilla
(000016)06/05/2011 14:40:40 - anonymous (192.168.1.129)> PWD
(000016)06/05/2011 14:40:40 - anonymous (192.168.1.129)> 257 "/" is current directory.
(000016)06/05/2011 14:40:40 - anonymous (192.168.1.129)> TYPE I
(000016)06/05/2011 14:40:40 - anonymous (192.168.1.129)> 200 Type set to I
(000016)06/05/2011 14:40:40 - anonymous (192.168.1.129)> CWD /mca
(000016)06/05/2011 14:40:40 - anonymous (192.168.1.129)> 250 CWD successful. "/mca" is current directory.
(000016)06/05/2011 14:40:40 - anonymous (192.168.1.129)> PORT 192,168,1,129,223,112
(000016)06/05/2011 14:40:40 - anonymous (192.168.1.129)> 200 Port command successful
(000016)06/05/2011 14:40:40 - anonymous (192.168.1.129)> LIST
(000016)06/05/2011 14:40:40 - anonymous (192.168.1.129)> 150 Opening data channel for directory list.
(000016)06/05/2011 14:40:43 - anonymous (192.168.1.129)> 226 Transfer OK
(000016)06/05/2011 14:40:52 - anonymous (192.168.1.129)> disconnected.
(000017)06/05/2011 14:40:57 - (not logged in) (192.168.1.129)> Connected, sending welcome message...
(000017)06/05/2011 14:40:57 - (not logged in) (192.168.1.129)> 220-FileZilla Server version 0.9.37 beta
(000017)06/05/2011 14:40:57 - (not logged in) (192.168.1.129)> 220-written by Tim Kosse (Tim.Kosse@gmx.de)
(000017)06/05/2011 14:40:57 - (not logged in) (192.168.1.129)> 220 Please visit http://sourceforge.net/projects/filezilla/
(000017)06/05/2011 14:40:58 - (not logged in) (192.168.1.129)> USER anonymous
(000017)06/05/2011 14:40:58 - (not logged in) (192.168.1.129)> 331 Password required for anonymous
(000017)06/05/2011 14:40:58 - (not logged in) (192.168.1.129)> PASS ******
(000017)06/05/2011 14:40:58 - anonymous (192.168.1.129)> 230 Logged on
(000017)06/05/2011 14:40:58 - anonymous (192.168.1.129)> SYST
(000017)06/05/2011 14:40:58 - anonymous (192.168.1.129)> 215 UNIX emulated by FileZilla
(000017)06/05/2011 14:40:59 - anonymous (192.168.1.129)> PWD
(000017)06/05/2011 14:40:59 - anonymous (192.168.1.129)> 257 "/" is current directory.
(000017)06/05/2011 14:40:59 - anonymous (192.168.1.129)> TYPE I
(000017)06/05/2011 14:40:59 - anonymous (192.168.1.129)> 200 Type set to I
(000017)06/05/2011 14:40:59 - anonymous (192.168.1.129)> CWD /mca
(000017)06/05/2011 14:40:59 - anonymous (192.168.1.129)> 250 CWD successful. "/mca" is current directory.
(000017)06/05/2011 14:40:59 - anonymous (192.168.1.129)> PORT 192,168,1,129,168,10
(000017)06/05/2011 14:40:59 - anonymous (192.168.1.129)> 200 Port command successful
(000017)06/05/2011 14:41:00 - anonymous (192.168.1.129)> RETR mca_f0224.upb
(000017)06/05/2011 14:41:00 - anonymous (192.168.1.129)> 150 Opening data channel for file transfer.
(000017)06/05/2011 14:43:00 - anonymous (192.168.1.129)> 426 Connection timed out, aborting transfer
(000017)06/05/2011 14:43:00 - anonymous (192.168.1.129)> 421 Connection timed out.
(000017)06/05/2011 14:43:00 - anonymous (192.168.1.129)> disconnected.