On Oct 1, 2007, at 5:39 PM, Jorge Bastos wrote:

> TJ,
>
> I have a situation that i don't see nothing relevant in the log.
>
> I've done the log with:
>
> ---
>
> /usr/local/sbin/proftpd -c /etc/proftpd.conf -nd10 2>&1 >& /home/
> alojamento/my_user/proftpd.txt
>
> ---
>
>
>
> in the first send, it's a file with about 6MB~, it sends it, and in
> the end, it completed the send, but the MSDOS ftp client,it stops
> for about 30 seconds and gives-me the info below:
>
>
>
> ---
>
> ################################################## ####################
> ##########
> ##############
> Connection closed by remote host.
>
> ---
>
>
>
> if i connect the ftp again, and send a smaller file, it completes
> all perfect.
>
>
>
> If i go and send the 6MB~ file again, but with the filezilla
> windows client, when it gets the end, it stops also about around 30
> seconds and after it finished.
>
>
>
> In the logs i don't see nothing that indicates error or something.
>
> How can i debug this more?



Is there anything such as a firewall or NAT/PAT device between the
client and the server? Could be something timing out there.

Could tcpdump and look at both the data and the command channels on
both client and server and compare what you see.

-Patrick

--
Patrick Muldoon
Network/Software Engineer
INOC (http://www.inoc.net)
PGPKEY (http://www.inoc.net/~doon)
Key ID: 0x370D752C

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