On Tue, May 18, 1999, Albert Steiner wrote:
> SetEnvIf User-Agent ".*MSIE.*" ssl-unclean-shutdown
> works.
> Where is the documentation for this? I looked around the site, at the
> manual and FAQs and found nothing I recognized about this.
Then you should read the FAQ more carefully ;)
In detail: http://www.modssl.org/docs/2.3/ssl_faq.html#io-error
Additionally even the provided httpd.conf-dist file contains:
# SSL Protocol Adjustments:
# The safe and default but still SSL/TLS standard compliant shutdown
# approach is that mod_ssl sends the close notify alert but doesn't wait for
# the close notify alert from client. When you need a different shutdown
# approach you can use one of the following variables:
# ssl-unclean-shutdown:
# This forces an unclean shutdown when the connection is closed, i.e. no
# SSL close notify alert is send or allowed to received. This violates
# the SSL/TLS standard but is needed for some brain-dead browsers. Use
# this when you receive I/O errors because of the standard approach where
# mod_ssl sends the close notify alert.
# ssl-accurate-shutdown:
# This forces an accurate shutdown when the connection is closed, i.e. a
# SSL close notify alert is send and mod_ssl waits for the close notify
# alert of the client. This is 100% SSL/TLS standard compliant, but in
# practice often causes hanging connections with brain-dead browsers. Use
# this only for browsers where you know that their SSL implementation
# works correctly.
# Notice: Most problems of broken clients are also related to the HTTP
# keep-alive facility, so you usually additionally want to disable
# keep-alive for those clients, too. Use variable "nokeepalive" for this.
SetEnvIf User-Agent ".*MSIE.*" nokeepalive ssl-unclean-shutdown
Ralf S. Engelschall
[EMAIL PROTECTED]
www.engelschall.com
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