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FTPSuite, SSL and Filezilla Server

To: <realbasic-nug at lists dot realsoftware dot com>
Subject: FTPSuite, SSL and Filezilla Server
From: Daniel Gollás <dgollas at ollin dot com dot mx>
Date: Mon, 31 Mar 2008 18:28:02 -0600
Delivered-to: listarchive at realsoftware dot com
Delivered-to: realbasic-nug at lists dot realsoftware dot com
Hi, I am trying to connect to an FTPES server using RealBasic and FTPSuite.
The server is filezilla running on the localhost and setup with SSL and a 
certificate created from within filezilla.
Options "Force explicit SSL/TLS" and "Force PROT P to encrypt data channel 
in SSL/TLS mode" are enabled.

When connecting from filezilla client, everything works well, but when I try 
to do it from my application things come to a halt.

I tried using the FTPSuite Test Rig (FTP Suite Test Rig.rbp) to connect to 
the filezilla server, and had similar results to the ones in my application:
Session:
Start Put File Sequence
Session: 220-FileZilla Server version 0.9.24 beta
Session: 220-written by Tim Kosse (Tim dot Kosse at gmx dot de)
Session: 220 Please visit http://sourceforge.net/projects/filezilla/
Session: AUTH TLS
"Sending AUTH"
Session: 234 Using authentication type TLS
Session: PBSZ 0
Sending PBSZ
Session: 200 PBSZ=0
Session: PROT P
Sending PROT
Session: 200 Protection level set to P
Session: USER standarduser
Send UserID
Session: 331 Password required for standarduser
Session: PASS
Send Password
Session: 230 Logged on
Session: CWD /upload
Change directory to: /upload
Session: 250 CWD successful. "/upload" is current directory.
Session: TYPE I
Change transfer type.
Session: 200 Type set to I
Session: 200 NOOP command successful.
Session: PASV
Passive Mode
Session: 227 Entering Passive Mode (172,16,28,121,13,172)
Session: STOR testCropSave.jpg
Send file testCropSave.jpg
Session: 150 Connection accepted

After a few seconds of nothing happening, a timeout error ocurs.
The server shows this in the log:
(000191) 31/03/2008 18:24:21 p.m. - (not logged in) (172.16.28.121)> 
Connected, sending welcome message...
(000191) 31/03/2008 18:24:21 p.m. - (not logged in) (172.16.28.121)> 
220-FileZilla Server version 0.9.24 beta
(000191) 31/03/2008 18:24:21 p.m. - (not logged in) (172.16.28.121)> 
220-written by Tim Kosse (Tim dot Kosse at gmx dot de)
(000191) 31/03/2008 18:24:21 p.m. - (not logged in) (172.16.28.121)> 220 
Please visit http://sourceforge.net/projects/filezilla/
(000191) 31/03/2008 18:24:21 p.m. - (not logged in) (172.16.28.121)> AUTH 
TLS
(000191) 31/03/2008 18:24:21 p.m. - (not logged in) (172.16.28.121)> 234 
Using authentication type TLS
(000191) 31/03/2008 18:24:21 p.m. - (not logged in) (172.16.28.121)> SSL 
connection established
(000191) 31/03/2008 18:24:21 p.m. - (not logged in) (172.16.28.121)> PBSZ 0
(000191) 31/03/2008 18:24:21 p.m. - (not logged in) (172.16.28.121)> 200 
PBSZ=0
(000191) 31/03/2008 18:24:21 p.m. - (not logged in) (172.16.28.121)> PROT P
(000191) 31/03/2008 18:24:21 p.m. - (not logged in) (172.16.28.121)> 200 
Protection level set to P
(000191) 31/03/2008 18:24:21 p.m. - (not logged in) (172.16.28.121)> USER 
standarduser
(000191) 31/03/2008 18:24:21 p.m. - (not logged in) (172.16.28.121)> 331 
Password required for standarduser
(000191) 31/03/2008 18:24:22 p.m. - (not logged in) (172.16.28.121)> PASS 
********
(000191) 31/03/2008 18:24:22 p.m. - standarduser (172.16.28.121)> 230 Logged 
on
(000191) 31/03/2008 18:24:22 p.m. - standarduser (172.16.28.121)> CWD 
/upload
(000191) 31/03/2008 18:24:22 p.m. - standarduser (172.16.28.121)> 250 CWD 
successful. "/upload" is current directory.
(000191) 31/03/2008 18:24:22 p.m. - standarduser (172.16.28.121)> TYPE I
(000191) 31/03/2008 18:24:22 p.m. - standarduser (172.16.28.121)> 200 Type 
set to I
(000191) 31/03/2008 18:24:22 p.m. - standarduser (172.16.28.121)> PASV
(000191) 31/03/2008 18:24:22 p.m. - standarduser (172.16.28.121)> 227 
Entering Passive Mode (172,16,28,121,13,172)
(000191) 31/03/2008 18:24:22 p.m. - standarduser (172.16.28.121)> STOR 
testCropSave.jpg
(000191) 31/03/2008 18:24:22 p.m. - standarduser (172.16.28.121)> 150 
Connection accepted
(000191) 31/03/2008 18:24:22 p.m. - standarduser (172.16.28.121)> Data 
connection SSL warning: SSL_accept: error in SSLv2/v3 read client hello A
(000191) 31/03/2008 18:24:22 p.m. - standarduser (172.16.28.121)> Data 
connection SSL warning: SSL_accept: error in SSLv2/v3 read client hello A
(000191) 31/03/2008 18:24:22 p.m. - standarduser (172.16.28.121)> Data 
connection SSL warning: SSL_accept: error in SSLv2/v3 read client hello A

I am considering buying FTPSuite for my transfer needs, but I can't get it 
to work (It is not the registered version, so it shows the nag message, 
could this have anything to do with the problem?)

Please, if someone has any ideas I would appreciate them.

     Thankyou. Daniel Gollas 

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