have a similar problem with ftpes. After connection is established there is a error "could not retrieve directory listing"
tried tls and ssl, tried passive mode and no passive mode, doesn't matter
works fine with filezilla
WinSCP Version 4.2.8 (Build 818) (OS 5.1.2600 Service Pack 3)
Login time: Montag, 19. Juli 2010 12:32:10
--------------------------------------------------------------------------
Session name: servername.com
Host name: servername.com (Port: 21)
User name: username (Password: Yes, Key file: No)
Tunnel: No
Transfer Protocol: FTP
Ping type: C, Ping interval: 30 sec; Timeout: 15 sec
Proxy: none
FTP: FTPS: Explicit TLS; Passive: Yes [Force IP: No]
Local directory: C:\Dokumente und Einstellungen\Onkel Junior\Eigene Dateien, Remote directory: home, Update: No, Cache: Yes
Cache directory changes: Yes, Permanent: Yes
DST mode: 1
--------------------------------------------------------------------------
Connecting to servername.com ...
Connected with servername.com, negotiating SSL connection...
220 ProFTPD 1.3.3 Server (FTP Server) [::ffff:123.123.123.123]
AUTH TLS
234 AUTH TLS successful
SSL connection established. Waiting for welcome message...
USER username
331 Password required for username
PASS *********
230 User username logged in
SYST
215 UNIX Type: L8
FEAT
211-Features:
MDTM
AUTH TLS
PBSZ
PROT
REST STREAM
SIZE
211 End
PBSZ 0
200 PBSZ 0 successful
PROT P
200 Protection set to Private
Connected
--------------------------------------------------------------------------
Using FTP protocol.
Doing startup conversation with host.
PWD
257 "/" is the current directory
Getting current directory name.
Retrieving directory listing...
TYPE A
200 Type set to A
PASV
227 Entering Passive Mode (123,123,123,123,217,188).
LIST -a
150 Opening ASCII mode data connection for file list
SSL connection established
425 Unable to build data connection: Operation not permitted
Could not retrieve directory listing
Retrieving directory listing...
TYPE A
200 Type set to A
PASV
227 Entering Passive Mode (123,123,123,123,166,28).
LIST
150 Opening ASCII mode data connection for file list
SSL connection established
425 Unable to build data connection: Operation not permitted
Could not retrieve directory listing
(ECommand) Error listing directory '/'.
Could not retrieve directory listing
Unable to build data connection: Operation not permitted
Startup conversation with host finished.