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Problem

When you browse secure pages with Apache, the "page cannot be displayed" error message occurs.


Cause

SSL implementation in some MSIE versions has some bugs, related to the HTTP keep-alive facility and the SSL close notify alerts on socket connection close. The issue occurs during usage, due to the interaction between SSL and HTTP/1.1 features with some MSIE versions.


Resolution

Either you have to work-around these problems by forcing "Apache+mod_ssl+OpenSSL" not to use HTTP/1.1, keep-alive connections or sending the SSL close notify messages to MSIE clients.  You can do it by using the following directive in your SSL-aware virtual host section:  

SetEnvIf User-Agent ".*MSIE.*" \ nokeepalive ssl-unclean-shutdown \ downgrade-1.0 force-response-1.0


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