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On Wed, Jun 25, 2008, Joseph Mack NA3T wrote:
> On Wed, 25 Jun 2008, Daniel Kerrutt wrote:
>
>> Hi -
>> I posted this subject to microsoft.public.internetexplorer.general,
>> but wanted to ask for help here, too.
>>
>>
>> I have a problem while connecting to a loadbalanced website via SSL.
>> Sometimes IE is displaying an "Page cannot be displayed" error
>> message. Sometimes the error is happening instantly, sometimes after
>> entering the URL 3-4 times.
>>
>> Server software is Apache 2.2 / mod_ssl
>> Keep-Alive is forced to turn off with the following configuration
>> statement with SSL connections:
>>
>> SetEnvIf User-Agent ".*MSIE.*" nokeepalive ssl-unclean-shutdown
>> downgrade-1.0 force-response-1.0
>
> Graeme replied to a similar problem on 22 May (IE and
> apache/ssl). Go look in the archives.
>
The problem described there sounds very similar.
> the source of the problem is described here.
>
> http://www.modssl.org/docs/2.8/ssl_faq.html#ToC49
>
> I don't know why this is a problem through a director, but
> not connecting directly, so I may not understand the problem
>
Thanks for the link.
The problem is definitly only while connecting through LVS.
One problem described in the modssl FAQ is about the SSL session cache.
Maybe there is a bug in IE because every request is directed to a
different realserver, but IE is relying on SSL session cache reuse
like described in the FAQ.
I don't know the details how SSL session cache is working - but provided
that the connection is working fine when connecting directly,
this might be the source.
Cheers,
Daniel
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