Publishing ftp with PASV mode
- From: "Zulan" <Zulan@xxxxxxxxxxx>
- Date: Tue, 5 Dec 2006 11:03:41 +0100
I am trying to publish an ftp server with PASV mode using ISA 2006. I have
tried 2 servers and 2 clients, they are Gene6 FTP server and Serv-U ftp
server. As clients I have used FlashFXP and Bulletproof.
What happens is that when I try to log on I get the error message:
[R] 500 The server returned invalid response for PASV command. It takes a
while, but the server works anyway, but the transfer speeds are really low
and it takes a very long time for me to get the folder list.
I have unrestricted internet access from the internal network.
I have created 2 rules:
First rule is for ftp itself.
Action: Allow
Traffic: FTP Server (Inbound 21 with ftp access filter)
From (External)To: FTP server internal IP address (192.168.0.5)
Networks for listener: External
Then I have a rule for Passive mode range defined in the server
(50000-50100)
Action: Allow
Traffic: 50000-50100 TCP Inbound, no filter (I have tried turning the ftp
filter on but that didn't help)
From: External
To: 192.168.0.5 (internal FTP server address)
Networks: External
.
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