[plug] FTP connections

Mark Nold markn at enspace.com
Mon Jul 30 12:11:32 WST 2001


Paul, can Rock resolve Stone's name to an IP? 

I remember having similiar troubles (pre setting up a DNS server) and i think
it was because Stone (the client) wasn't in Rock's (servers) hosts file.

But this was RH6 and some time ago so im not 100% sure.

mn


>Hya all,
>
>I've come across a problem, bizarre at the least I'd say, but just plain 
>flipping annoying.
>Anyway, this is the situation;
>
>Server "Cave" running RH 7.0 standard daemons and updates latest RH 2.2 
>kernel blah blah, wu-ftpd running through xinetd, ftp module loaded (not 
>that I need this for internal connections) ipchains with MASQ as only rule.

>Workstation "Rock" running RH 7.0 standard daemons and updates latest RH 
>2.2 kernel blah blah, wu-ftpd running through xinetd.
>Workstation "Stone" running W2K SP2 connecting as Domain logon thru Samba 

>as PDC.
>
>Ok here's what happens;
>ftp Rock -> Cave connects and transfers no probs
>ftp Cave -> Rock connects and transfers no probs
>ftp Stone -> Cave connects and transfers no probs
>ftp Stone -> Rock resolves name and ip but sits there no response.
>
>I've tried telnet 21 to Rock from Stone same thing no banner.
>Tried tracert from Stone to make sure I'm goning to the right machine.
>Done tcpdump on eth0 to look for anything strange (although I'm new at tcp

>packets and what they look like.)
>Checked /var/log/messages and /var/log/xfer no logs
>Checked /etc/hosts.allow and .deny make sure Stone is allowed, even tried 

>with empty files.
>Reinstalled anonftp just incase something broken.
>Re-enabled wu-ftpd
>Restarted xinetd.
>Restarted network.
>Used W2K FTP command and Ncftp for Windows.
>Finally restarted all machines (due to some twit driving a dump truck down

>the road with tray UP and pulling powerlines down)...
>
>All of these seems to be fine with nothing out of the ordinary.
>
>So as you can see looked lots of places, done lots of things but hey maybe

>I'm missing something.
>Could you guys (people, for political correctness.) share your thoughts, 
>ideas and experiences.
>
>TIA :-]
>
>/***** Experience is that marvelous thing that enables you to recognize a 

>mistake when you make it again.
>Franklin P. Jones *****/
>
>/*****All programmers are playwrights and all computers are lousy actors.
>             -- Unknown*****/
>
>
>
>

Mark Nold
markn at enspace.com




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