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nuca

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Hi there
I did a search on this forum for my problem but i found nothing.
My problem.
I have KWF and serv-u installed on the same machine.
Is there a way to connect to the ftp server in passive mode?
I can connect but i receive this:
Response: 451 Command denied by firewall
Error: Could not retrieve directory listing

1: name=(FTP) src=(iface:"Extern") dst=(Firewall) service=("FTP") snat=(any) dnat=(any) action=(permit,logpkt,logconn), time_range=(always) inspector=(default)
The server is on 2021 port.
I edited the ftp service on port 2021.
Thnx
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winkelman

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Do you have the proper Traffic Policies to allow FTP traffic into your firewall?
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JGALT

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Actually I have the same problem. I just have 2 different items:

1.) Using GlobalScape Secure FTP Server.
2.) Installed this as a FTP Server "behind" Kerio Winrout, not installed on the same machine.

The problem is in passive mode (PASV), the FTP server and client uses either uses a pre-defined range of port numbers or any random free port for any FTP command issues by both parties. It becomes tricky as it also becomes hard to restrict PASV to a small set / range of port numbers. You have no problem if you configure your own FTP Server.

Problem arises when you try to access other FTP servers with PASV from behind Kerio.

Is there any way Kerio could "intelligently" allow incoming / outgoing traffic to these PASV ports without making any new rules?.....
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cane

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hi,

I have the same problem.

Did you ever find a working solution for this issue?
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feite

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Check the FTP policy rules. They should allow the requested commands. If not create a rule that allows any command and put it first (on top) in the list and test again. If it works now re-evaluate the FTP policy rules to match your demands.
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slash

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cane wrote on Sat, 20 January 2007 07:21

hi,

I have the same problem.

Did you ever find a working solution for this issue?


Source: any
Destination: Firewall
Service: 1400-1410 , 21 and 20

this work for me to connect in passive mode to my ftp.
But as I started to work with an ftp server I found out, that in many cases the problems were caused by the ftp server not by the firewall -> Not every FTP Server seems to be capable to realize a proper passive ftp connection

By the way, on my ftp i am able to define the passive ports which should be used (1400-1410) might be enough for me.

215 UNIX Type: L8
LIST
PASV
227 Entering Passive Mode (XX,XXX,XXX,XXX,5,120)
150 Data connection established, beginning transfer.
226 Transfer complete.


Maybe this website will help you a little bit:
http://slacksite.com/other/ftp.html

greetings
//slash

[Updated on: Wed, 31 January 2007 22:20]

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