Re: Strange problems with FTP - please, help!

Koos van den Hout <[email protected]> Wed, 4 Aug 2004 10:39:38 +0200

Newsgroups	gmane.network.ftp.wuftpd.user
Organization	Koos van den Hout private node
Message-ID	<[email protected]>

Quoting Rainer Hantsch who wrote on Wed, Aug 04, 2004 at 07:48:25AM +0200:

> At one of my customers, a FTP server had to be installed. It is the one which
> is included in SuSE 8.0 / Kernel 2.4.18-4GB:
> 220 rohrpostfix FTP server (Version 6.5/OpenBSD, linux port 0.3.2)

> ftp> ls
> 229 Entering Extended Passive Mode (|||17742|)
> 200 EPRT command successful.
> 435 Can't build data connection: Illegal seek.

> What I *guess* is: There is a problem establishing the data connection
> from most clients, because they use upper ports, while xFTP seems to work
> different. But I could not find out the difference at all.

The 'Extendid Passive Mode' looks like ftpd is started in tcp6 mode (IPv6
tcp) but you do not have an IPv6 connection. If it is started from inetd,
edit inetd.conf, find the line which starts with 'ftp' and change the
'tcp6' in that line to 'tcp'. Restart inetd.

                                            Koos

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