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We shut off IP during backups (in addition to ending batch subsystems). That way, we're guaranteed no users will access the system via TN5250, ODBC, FTP, or anything else that might come along. Seems easier and faster then ending/restarting all those server tasks and we don't have to worry about any new connection methods that come along as long as they run the IP protocol. John A. Jones Americas Security Officer Jones Lang LaSalle, Inc. V: +1-630-455-2787 F: +1-312-601-1782 John.Jones@xxxxxxxxxxxxxxxxxxxxxxx -----Original Message----- From: Urbanek, Marty [mailto:Marty_Urbanek@xxxxxxxxxxxx] Sent: Thursday, May 20, 2004 9:19 AM To: 'midrange-l@xxxxxxxxxxxx' Subject: TCP/IP shutdown or crash Do you ever have a need to shutdown TCP/IP but keep the rest of the system up (including applications) and if so, why? Do you ever have TCP/IP crash? I have a customer that says sometimes they need to shutdown TCP/IP and that sometimes it crashes unexpectedly. This creates some "challenges" for one of our applications that is TCP/IP dependent. My stance has been that needing to shut TCP/IP down while keeping the rest of the system up seems very unusual to me, and that having it "crash" is unheard of and should be reported to IBM immediately. What do you guys think? FYI, I'm talking V5R2 here, not some old release. Anybody? Thanks, -Marty This email is for the use of the intended recipient(s) only. If you have received this email in error, please notify the sender immediately and then delete it. If you are not the intended recipient, you must not keep, use, disclose, copy or distribute this email without the author's prior permission. We have taken precautions to minimize the risk of transmitting software viruses, but we advise you to carry out your own virus checks on any attachment to this message. We cannot accept liability for any loss or damage caused by software viruses. The information contained in this communication may be confidential and may be subject to the attorney-client privilege. If you are the intended recipient and you do not wish to receive similar electronic messages from us in future then please respond to the sender to this effect.
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