[imp] session expiring

Henry Blackman h.blackman@chester.ac.uk
Thu, 14 Feb 2002 15:37:53 -0000


Please read my previous message about expiring sessions.  I've been battling
this for some time.

Basically:
"I think this is an underlying problem in PHP sessions; problem being that
admin's aren't specifying the session timeouts etc correctly (please check
/usr/local/lib/php.ini) and what could be a huge problem if the
time/date/timezone isn't correct on the client computer.

At our institution we run a large document management system that users must
sign into, it uses PHP sessions to control this sign in, but some of them
get signed out too soon, or whatever; we found that more times out of ten,
the time, date, or timezone was not set on the computer.  Our Novell network
is now correctly timesynced to an atomic clock using NTP and therefore as
they login to their computer the client is too, which is resulting in no
more issues like this."

Henry


----- Original Message -----
From: "Ramon Kagan" <rkagan@yorku.ca>
To: <imp@lists.horde.org>
Sent: Thursday, February 14, 2002 3:16 PM
Subject: [imp] session expiring


> So I have this problem again.
>
> I'm not using cookies, url based sessions.
>
> I have this running on two machines with lvs, but the session_tmp space is
> shared by both machines, via nfs.  So flipping between machines (which
> doesn't really happen unless they do a hard reload) shouldn't cause any
> problems.  In any case the logs show expiring on the same machine.  Could
> the time on the user's PC be the problem?
>
> Ramon Kagan
> York University, Computing and Network Services
> Unix Team -  Intermediate System Administrator
> (416)736-2100 #20263
> rkagan@yorku.ca
>
>
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