FZ log:

20:34:00	Status:	Connecting to 192.188.xxx.xxx:5599...
20:34:00	Status:	Connection established, waiting for welcome message...
20:34:00	Trace:	CFtpControlSocket::OnReceive()
20:34:00	Response:	220 Serv-U FTP Server v6.1 for WinSock ready...
20:34:00	Trace:	CFtpControlSocket::SendNextCommand()
20:34:00	Command:	USER xxxxx
20:34:01	Trace:	CFtpControlSocket::OnReceive()
20:34:01	Response:	331 User name okay, need password.
20:34:01	Trace:	CFtpControlSocket::SendNextCommand()
20:34:01	Command:	PASS *****
20:34:01	Trace:	CFtpControlSocket::OnReceive()
20:34:01	Response:	230 User logged in, proceed.
20:34:01	Status:	Connected
20:34:01	Trace:	CFtpControlSocket::ResetOperation(0)
20:34:01	Trace:	CControlSocket::ResetOperation(0)
20:34:01	Status:	Retrieving directory listing...
20:34:01	Trace:	CFtpControlSocket::SendNextCommand()
20:34:01	Trace:	CFtpControlSocket::ChangeDirSend()
20:34:01	Command:	PWD
20:34:01	Trace:	CFtpControlSocket::OnReceive()
20:34:01	Response:	257 "/" is current directory.
20:34:01	Trace:	CFtpControlSocket::ResetOperation(0)
20:34:01	Trace:	CControlSocket::ResetOperation(0)
20:34:01	Trace:	CFtpControlSocket::ParseSubcommandResult(0)
20:34:01	Trace:	CFtpControlSocket::ListSubcommandResult()
20:34:01	Trace:	CFtpControlSocket::SendNextCommand()
20:34:01	Trace:	CFtpControlSocket::TransferSend()
20:34:01	Command:	TYPE I
20:34:01	Trace:	CFtpControlSocket::OnReceive()
20:34:01	Response:	200 Type set to I.
20:34:01	Trace:	CFtpControlSocket::TransferParseResponse()
20:34:01	Trace:	CFtpControlSocket::SendNextCommand()
20:34:01	Trace:	CFtpControlSocket::TransferSend()
20:34:01	Command:	PASV
20:34:01	Trace:	CFtpControlSocket::OnReceive()
20:34:01	Response:	227 Entering Passive Mode (192,188,244,18,6,120)
20:34:01	Trace:	CFtpControlSocket::TransferParseResponse()
20:34:01	Trace:	CFtpControlSocket::SendNextCommand()
20:34:01	Trace:	CFtpControlSocket::TransferSend()
20:34:01	Command:	LIST
20:34:01	Trace:	CTransferSocket::OnConnect
20:34:01	Trace:	CFtpControlSocket::OnReceive()
20:34:01	Response:	150 Opening ASCII mode data connection for /bin/ls.
20:34:01	Trace:	CFtpControlSocket::TransferParseResponse()
20:34:01	Trace:	CFtpControlSocket::SendNextCommand()
20:34:01	Trace:	CFtpControlSocket::TransferSend()
20:34:01	Error:	Could not read from transfer socket: ECONNRESET - Connection reset by peer
20:34:01	Trace:	CTransferSocket::TransferEnd(3)
20:34:01	Trace:	CFtpControlSocket::TransferEnd()
20:34:01	Trace:	CFtpControlSocket::OnReceive()
20:34:01	Response:	226 Transfer complete.
20:34:01	Trace:	CFtpControlSocket::TransferParseResponse()
20:34:01	Trace:	CFtpControlSocket::ResetOperation(2)
20:34:01	Trace:	CControlSocket::ResetOperation(2)
20:34:01	Trace:	CFtpControlSocket::ParseSubcommandResult(2)
20:34:01	Trace:	CFtpControlSocket::ListSubcommandResult()
20:34:01	Trace:	CFtpControlSocket::ResetOperation(2)
20:34:01	Trace:	CControlSocket::ResetOperation(2)
20:34:01	Error:	Failed to retrieve directory listing


FlashFXP log:

WinSock 2.0 -- OpenSSL 0.9.8g 19 Oct 2007
[R] Connecting to 192.188.xxx.xxx -> IP=192.188.xxx.xxx PORT=5599
[R] Connected to 192.188.xxx.xxx
[R] 220 Serv-U FTP Server v6.1 for WinSock ready...
[R] USER xxxxx
[R] 331 User name okay, need password.
[R] PASS (hidden)
[R] 230 User logged in, proceed.
[R] SYST
[R] 215 UNIX Type: L8
[R] FEAT
[R] 211-Extension supported
[R]  CLNT
[R]  MDTM
[R]  MDTM YYYYMMDDHHMMSS[+-TZ];filename
[R]  SIZE
[R]  SITE PSWD;EXEC;SET;INDEX;ZONE;CHMOD;MSG
[R]  REST STREAM
[R]  XCRC filename;start;end
[R]  MODE Z
[R]  MLST Type*;Size*;Create;Modify*;Win32.ea*;
[R] 211 End
[R] CLNT FlashFXP 3.6.0.1240
[R] 200 Noted.
[R] PWD
[R] 257 "/" is current directory.
[R] TYPE A
[R] 200 Type set to A.
[R] MODE Z
[R] 200 MODE Z ok.
[R] PASV
[R] 227 Entering Passive Mode (192,188,xxx,xxx,11,177)
[R] Opening data connection IP: 192.188.xxx.xxx PORT: 2993
[R] MLSD
[R] 150 Opening BINARY mode data connection for MLSD.
[R] 226 Transfer complete.
[R] List Complete: 4 KB in 0,86 seconds (4,9 KB/s)