Subject: Timeouts during long file transfers

From: [email-masked] (Dennis M. O'Neill)
Date: Tue, 25 Jul 1995 09:44:42 -0600

Dennis O'Neill wrote:

>Date: Mon, 24 Jul 1995 13:38:17 -0600
>To: [email-masked]
>From: [email-masked] (Dennis M. O'Neill)
>Subject: Timeouts during long file transfers
>Cc: oneill
>
>We have some users who are trying to tranfer some very large files (> 500
>MB) who are getting the following message:
>
>250 CWD command successful.
>200 PORT command successful.
>150 Opening BINARY mode data connection for dmstk55 (323051520 bytes).
>421 Timeout (3600 seconds): closing control connection.
>local: /mnt/Outgoing/dmstk55 remote: dmstk55
>240735620 bytes received in 3.6e+03 seconds (65 Kbytes/s)
>Mon Jul 24 12:59:15 CDT 1995
>
>I've quickly scanned the code and the only reference I can see no reference
>to a timeout *during* a file transfer. The two constants in ftpd.c
>
>int timeout = 900;              /* timeout after 15 minutes of inactivity */
>int maxtimeout = 7200;          /* don't allow idle time to be set beyond 2
>                                 * hours */
>
>don't have anything to do with the 3600 seconds they talk about here.
>
>Can anyone give me a pointer where to look?
>
>Thanks,
>
>Dennis

Turns out that the problem was caused by a timer in the Interlock gateway
machine that my user was going through. It has a built-in session timer
that was set to 3600 seconds. They've uped the limit and are running again.

Thanks anyway for listening,

Dennis

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* Dennis M. O'Neill                  [email-masked]  *
* Schlumberger Geco-Prakla                       (713) 596-6103 (Office) *
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