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From "Marc Stern" <>
Subject Re: SSL enabled -> nokeepalive in MSIE for non-SSL connections
Date Sat, 05 Nov 2005 19:08:14 GMT
It's a bit more complex than that.

At a certain point, a fix was released for IE 6 to correct the 
incompatibility that needed the 'ssl-unclean-shutdown' directive (I guess 
it's KB 831167). At this point, we had two different flavours of IE+SSL 
floating around.

Although we can determine if the browser is IE 4, 5, or 6, it seems 
impossible to determine if the mentionned fix was applied or not on a IE 6 

The biggest problem is that, if you add the directive, the latest versions 
of IE 6 cannot establish the SSL session.


----- Original Message ----- 
From: "Olaf van der Spek" <>
To: <>
Sent: Thursday, November 03, 2005 3:37 PM
Subject: Re: SSL enabled -> nokeepalive in MSIE for non-SSL connections

> Joe Orton wrote:
>> All versions need unclean shutdown at least, not sure about keepalive. 
>> If you
>> have new data to provide on this front that's great and very welcome, 
>> please
>> send it to dev@.  bugzilla is not a discussion or support forum, however.
> I've been running without
> SetEnvIf User-Agent ".*MSIE.*" \
>         nokeepalive ssl-unclean-shutdown \
>         downgrade-1.0 force-response-1.0
> for a few months now and I haven't encountered any issues with IE.
> So I think it's safe to drop this work around.

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