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Date:      Tue, 27 Aug 2002 14:40:27 -0700
From:      "Jeremy Buckner" <jeremy@cableaz.com>
To:        "Robert bobb Crosbie" <bobb+freebsd-isp@redbrick.dcu.ie>
Cc:        <isp@FreeBSD.ORG>
Subject:   Re: ftpd woes
Message-ID:  <005401c24e12$5bed9570$0c0aa8c0@admin>
References:  <000801c24de7$c93e4280$0c0aa8c0@admin> <20020827192216.GA25948@lummux.tchpc.tcd.ie>

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Here is the tcpdump:

14:43:36.040256 silly.goofy.com.3733 > 66.219.239.81.ftp: S
450009741:450009741(0) win 16384 <mss 1460,nop,nop,sackOK> (DF)
14:43:36.040348 66.219.239.81.ftp > silly.goofy.com.3733: S
550559400:550559400(0) ack 450009742 win 57344 <mss 1460>
14:43:36.040794 silly.goofy.com.3733 > 66.219.239.81.ftp: . ack 1 win 17520
(DF)
14:44:08.045457 silly.goofy.com.3733 > 66.219.239.81.ftp: F 1:1(0) ack 1 win
17520 (DF)
14:44:08.045532 66.219.239.81.ftp > silly.goofy.com.3733: . ack 2 win 58400
(DF)

After this it times out I guess....

Now honestly I can't make heads or tails of this stuff so I'm at your mercy.

JB
----- Original Message -----
From: "Robert bobb Crosbie" <bobb+freebsd-isp@redbrick.dcu.ie>
To: "Jeremy Buckner" <jeremy@cableaz.com>
Cc: <isp@FreeBSD.ORG>
Sent: Tuesday, August 27, 2002 12:22 PM
Subject: Re: ftpd woes


> Jeremy Buckner hath declared on Tuesday the 27 day of August 2002  :-:
> > Is there some new trick to ftpd in the 4.6 build?
>
> Their bringing in lukemftpd, though I believe the origional is still
> the default, anyway they should both "Just work(tm)".
>
> > I have built 3 differnet
> > servers that wont let me log in via ftp no matter where I make the login
> > attempt. I have tried  to debug it using syslog but the logs don't give
me
> > any kind of useful info.
>
> You could also try a packet sniffer, tcpdump/ethereal/other...
> Might tell you a little more about what (if anything) is
> going back and forth.
>
> > Oh and FYI the ****** is me blanking out my IP:) Any
> > help would be great.
>
> Are you useing the standard ftpd or lukemftpd ?
> Running as a standalone daemon or from inetd ?
> Do you have any firewall rules on the machine/client/inbetween ?
> Have you tried connecting from localhost ?
> Do you have anything about ftp in /etc/hosts.{allow,deny} ?
> Is your username in /etc/ftpusers ? users in there are _not_ allowed to
use ftp.
>
> > Aug 27 09:22:29 mail ftpd[99]: connection from ********
> > Aug 27 09:22:29 mail ftpd[99]: <--- 220
> > Aug 27 09:22:29 mail ftpd[99]: goofy.server.com FTP server (Version
6.00LS) ready.
> > Aug 27 09:22:29 mail ftpd[99]: <--- 221
> > Aug 27 09:22:29 mail ftpd[99]: You could at least say goodbye.
>
> That looks like a standard timeout message, you connect but
> don't enter a username/password, and after a while ftpd disconnects you.
> What ftp client are you using ?
>
>
> - bobb
>
>
>



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