I had the same issue with another client.
The answer was 2 fold. There is a bug that is fixed on ver 6.2.2(100)
available from TAC - relates to PAT and FTP. Our particular problem was a
cache engine that proxied the connection so the PIX dropped it - found this
out from a packet sniff. For immediate resolution (temporary) added an
access list that allows port 20 from anywhere to the public IP address. This
will show you straight away , if there are packets matching, that something
other that the address the ASA is expecting is trying to connect. Then  you
need to sniff to get more details.

Andrew

-----Original Message-----
From: vikramjskeer [mailto:[EMAIL PROTECTED]]
Sent: 22 January 2003 11:15
To: [EMAIL PROTECTED]
Subject: HELP..........FTP Problem [7:61549]


Hi All,


I am facing a strange problem at a customer site over here. We have to
access a FTP server(Win2k machine acting as FTP server). This server is
siting on valid IP. We are using private IP range at our end. Now the issue
is that when we try to get data from this server, we are able to login into
the server and go to the required directory, but the moment we try to do ls
or try to pick or put data from there, the connection is broken. Now the
same server can be reached through other networks, i.e. on direct internet
or other client side machines. So the server is working fine, the
permissions to the ID are fine, I am able to do extended trace-route to
server in question from my gateway router and we have ruled out any blockage
on our network by giving any-any statements on our firewalls. I am not able
to get much out of this problem. May be some one from you has better
knowladge about this. Any help would be appreciated,


TIA (Thanks in Advance)


Vikram
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