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iis ftp : FTP hangs on NT4 IIS4 with error: 150 Opening ASCII mode data connection for /bin/ls


stdfrank NO[at]SPAM yahoo.com
10/13/2004 8:17:31 PM
Hi,

On my NT4 SP6a PDC, just installed the ftp from option pack(no any
other component installed), whenever we connect, it hangs as shows
below.

connecting to xxx.xxx.xxx.xxx...
Connected to xxx.xxx.xxx.xxx port 21
220 server6 Microsoft FTP Service (Version 4.0).
USER ph_test
331 Password required for ph_test.
PASS (hidden)
230-Welcome to the Test FTP Server.
230 User ph_test logged in.
PWD
257 "/" is current directory.
SYST
215 Windows_NT version 4.0
Host type (S): Microsoft NT
PORT xxx,xxx,xxx,x,6,246
200 PORT command successful.
LIST
150 Opening ASCII mode data connection for /bin/ls.
HANGS HERE ...

Any ideas? Do I need to reapply sp6a or install other component from
option pack? I was there are numerous post with similar problem before
but can not found a solution from those posts.

Thanks a lot,
Alun Jones [MSFT]
10/14/2004 9:24:55 AM
Actually, since the PORT command is in evidence in the OP's example, I'd say
this is more likely due to problems with the NAT or firewall at the client
end, not allowing connections in to the client.

The command line FTP client ftp.exe only supports active mode connections
using the PORT command, and I would therefore expect to see it behaving
exactly the same as the OP is reporting. Internet Explorer, which uses
passive mode (the PASV command) by default, would perhaps work in this
situation. The link you give is a good one for describing the nature of the
problem, and should be enough for the OP to be working on.

Alun.
~~~~

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Bernard
10/14/2004 11:52:09 AM
If you use ftp.exe command prompt utility, can you login and do dir listing.
from your description it looks like passive mode issue again, you need to
make sure that related ports are open.

Information About the IIS File Transmission Protocol (FTP) Service
http://support.microsoft.com/?id=283679


--
Regards,
Bernard Cheah
http://www.tryiis.com/
http://support.microsoft.com/
http://www.msmvps.com/bernard/



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Bernard
10/15/2004 11:13:21 AM
Oopss. I thought it was PASV :)

--
Regards,
Bernard Cheah
http://www.tryiis.com/
http://support.microsoft.com/
http://www.msmvps.com/bernard/



[quoted text, click to view]

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