I just had this same problem. I remembered I seen a post having to do with
this, and here I am. when I ftp using windows 98 FTP command, I get this
error when typing ls at the command line.
Can't build data connection: no PORT specified
Here is what I have found about IP Masquerading. When making a connection,
the person behind the firewall must make the initial connection. Because of
this, the ftp logs in to the remote system just fine. (You initiated the
connection) When you type ls, the FTP server tries to open up an ftp-data
port back to you, but it doesn't work! Why, because like I said, you must
initiate the inital connection. How do you do this? I don't know.
Can someone please help us!
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of Denis Chapligin
> Sent: July 26, 1999 3:30 AM
> To: Ruprecht Helms
> Cc: [EMAIL PROTECTED]
> Subject: Re: ip_masq_ftp is not working
>
>
> Hi
>
> On Mon, 26 Jul 1999, Ruprecht Helms wrote:
>
> >
> > first make a ping to the ftp-server.
> Of course i did it:)
> >
> > After this ping through the net and have a look in the logfiles for
> > example /var/log/messages.
> Nothing.
> > Maybe you have to reconfigure the mascarading and/or the routingtable.
> >
> Problem is that this works normally and i did'nt tried to reconfigure it.
> Other masquerading services works okay.
> Denis Chapligin
>
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