My money is on a SSL session resume problem. Make sure your SSL session 
cache is configured correctly - one thing that really bites us all in 
the butt is that some MSIE versions get annoyed when it tries to resume 
a session in what it thinks is a reasonable amount of time and finds the 
server refuses to do it - to satisfy this requirement you need SSL 
sessions to be cached for long enough - try 10 minutes - and use ssldump 
to verify that sessions are actually being resumed. The point here is 
that according to the SSL/TLS spec it's alright for the server to refuse 
to resume a session, and most other browsers handle that bit correctly.

Christoph Gr�ver wrote:

>Hi All.
>
>
>We have also these "popular" MSIE SSL 3.0 Problems.
>
>The Problem as we have found it:
>
>We have the Apache Versions 1.3.19, 1.3.22, 1.3.23 with the mod_ssl
>Versions 2.8.4 - 2.8.7 running on different systems.
>No proxy, no Firewall in between, just plain LAN.
>
>We have tested all available browsers. The result is pretty obvious:
>
>All non-Microsoft browsers work flawlessly ( Netscape, Mozilla, konqueror,
> galeon, wget, cURL etc. )
>
>All MSIE's do not work (incl. 5.0, 5.5, 6.0x Versions).
>
>Not working means: They work most of the time, but now and then especially
>if the webuser is a minute or more idle the next request gives the infamous
>"page cannot be displayed,  server or dns error" - blaming nonsense.
>
>Of course all standard MSIE workarounds are enabled.
>Also I have found a document via Google with a list of especially
>buggy implemented ciphers and have disabled them all.
>
>But to no avail.
>
>
>Does anybody have any summary for any possible solution to these bugs.
>
>(Yes, I know the only real solution is to not use MSIE, but we cannot force
>every user to use a real webbrowser).
>
>Thanks for your time.
>
>
>  
>


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