FTP Client problems behind SBS2003 Server

From: JMK V (anonymous_at_discussions.microsoft.com)
Date: 02/27/04


Date: Fri, 27 Feb 2004 13:05:30 -0800

Has anyone answered you? I have the same problems. All
ports checked. Went passive on the clients. Nothing.

>-----Original Message-----
>I have an SBS2003 install and on some of the clinet
workstaitons, there is a
>management program that needs to connect to a remote FTP
server to upload
>reports. The software developer says they wrote the FTP
routines themselves
>in VB6 accessing the wininet.dll. The error that is
returned through their
>software is vague but indicates a problem switching the
mode to TYPE I
>(binary) for the FTP transfer.
>
>I am using the default firewall, not the ISA 2000 add-
on. I have no problems
>with web access, VPN, remote desktop access through the
firewall or even
>PCanywhere through the firewall (I added the ports for
PCA in the Internet
>and E-Mail wizard). I do not have FTP checked in the
Internet and Email
>wizard as I do not wish to run an FTP server on the SBS
box.
>
>As a test, I installed WS-FTP95 LE (Ipswitch Software)
on one of the client
>workstations and was able to successfully connect to the
remote FTP site and
>transfer files back and forth.
>
>I then installed QFTP v2.5 and tried the same test. I
was able to connect
>but I couldn't upload files without getting an "Error
500 - Failed to open
>data connection to client" from within QFTP.
>
>The software vendor says they have tested their server
with SBS2003 and 2003
>Server with no problems but they have never used the
built-in SBS2003
>firewall or ISA2000 in their testing.
>
>They are claiming the problem is in the SBS2003 server
install.
>
>I am not sure where to go next. Perhaps there is a
password encryption issue
>that appears in newer software but not in WS-FTP95 LE?
>
>Any ideas?
>
>Any help would be greatly appreciated.
>
>Dave Adler
>
>
>.
>



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