08-29-2006
Apparent logoff’s due to inactivity.
I have run across an issue with the last two Dell Poweredge servers I have attempted to deploy. I seems that when a telnet session sits idle for 5 to 30 minutes (seems random) the session is being closed and users are logged off. If the session has user activity there is no problem staying connected. I know it sounds like an inactivity timer but the odd thing is that this does not happen when connected via a local switch or crossover cable only through a router plus the idle out time is not consistent. VPN or straight telnet have the same result. I have flashed the router twice. Replaced the router. Installed an out board intel pro 100 nic (which is native to SCO). Locked the nic into 100mb fdx & adjusted the mtu from 1500 to 1300 ( per sonicwall tech support). Flown 1500 miles to do a bare metal re-installation of the OS. Replaced the machine. Remove all of the routers from the loop and connected the server direct to the internet. Moved the whole setup to a new facility on a different backbone in a different city. Still the issue remains. The kicker is that if I put a humble Power Edge 1800 non raid system on 5.0.7 MP4 with onboard Intel pro / 1000's it stays connected just fine. Has anyone else seen this odd behavior with this class of server or OS version?
The current configuration is:
Server:
Dell poweredge 2800 raid 5 perc 4/di ( amird )
Dual Procs, 8 gb ram
Dual integrated Intel Pro / 1000 using driver version 5.0.7f
SCO 5.0.7 MP5 (Updated from MP4)
Previous configuration:
Dell poweredge 6800 raid 5 perc 4/di ( amird )
Dual Procs, 8 gb ram
Dual integrated Broadcom BCM57xx / 1000 using driver version 9.4.1
SCO 5.0.7 MP4
Router:
Sonicwall 4060 on OS 3.2 enhanced
Alternate router used in trouble shooting process:
Sonicwall 3060 on OS 3.2 enhanced
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LEARN ABOUT PHP
session_name
SESSION_NAME(3) 1 SESSION_NAME(3)
session_name - Get and/or set the current session name
SYNOPSIS
string session_name ([string $name])
DESCRIPTION
session_name(3) returns the name of the current session. If $name is given, session_name(3) will update the session name and return the old
session name.
The session name is reset to the default value stored in session.name at request startup time. Thus, you need to call session_name(3) for
every request (and before session_start(3) or session_register(3) are called).
PARAMETERS
o $name
- The session name references the name of the session, which is used in cookies and URLs (e.g. PHPSESSID). It should contain only
alphanumeric characters; it should be short and descriptive (i.e. for users with enabled cookie warnings). If $name is specified,
the name of the current session is changed to its value.
Warning
The session name can't consist of digits only, at least one letter must be present. Otherwise a new session id is generated
every time.
RETURN VALUES
Returns the name of the current session. If $name is given and function updates the session name, name of the old session is returned.
EXAMPLES
Example #1
session_name(3) example
<?php
/* set the session name to WebsiteID */
$previous_name = session_name("WebsiteID");
echo "The previous session name was $previous_name<br />";
?>
SEE ALSO
The session.name configuration directive .
PHP Documentation Group SESSION_NAME(3)