Hi,
This occurs when IMail sees the source IP address change during a session.
This can happen if you are using a load balancing device or round robin dns
to load balance your proxy servers. If you are using load balancing then you
should be able to set the stickiness (cisco local director term), or
affinity in Windows Load Balancing.
I believe that in Imail 6 you can now switch off the root cause which is
that Imail uses a combination of session cookie and IP based security for
web clients. If you switch off the IP based security checks this should make
the problem go away.
If you are using cisco load balanced proxies and old firmware you may find
that under significant traffic ( we're talking ~20-40MBits/sec) the load
balancing device "forgets" to keep traffic coming from the same IP. This is
pretty unlikely though.
Hope this helps
Steve
Steven Moore
Internet Development Engineer
Research Machines
+44 1235 823522
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of Phil Taylor
Sent: 06 April 2000 13:07
To: '[EMAIL PROTECTED]'
Subject: [IMail Forum] Problems with Webmail and proxy servers.
Hi,
We have a recurring problem with our web mail (IMail 5.09) Installed on Port
80.
When a user accesses the web mail service through a proxy server (Tried with
MSProxy 1 & 2 and Various versions of Squid) they keep getting thrown back
to the login page!
If they then refresh the page in their browser the correct page appears.
This is becoming quite a problem for us now as we have a number of users
behind firewalls and proxy servers and they (and our management) are
beginning to lose faith in the service.......
This problem is VERY reproduceable (every time).
Does anyone have 'ANY' suggestions ????
Cheers
Phil Taylor
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