One user reported problem with my https website (which uses
apache/mod_ssl), telling that IE7 doesn't trust my CA certificate.

Problem never happened with earilier versions of IE and with any other
browsers.

Since I don't have Windows machine with IE7 I cannot reproduce problem
myself, so I ask here, may be somebody knows what was done wrong.

User installs certificate in Windows as usial, by importing it into
manually selected trusted root storage. 

There are two suspicious things about certificate (both applicable to
either CA certificate and site certificate)

1. They do not have x509v3 extensions (keyUsage, extendedKeyUsage etc)
  CA certificate, however, has Basic Constrains CA:TRUE.
2. They use md5WithRSAEncryption signature algorithm

CA Certificate in question can be obtained from
http://www.wagner.pp.ru/45.free.net.crt
Site where problem occurs is https://www.wagner.pp.ru

Openssl version used for generation of site certificate and for serving
https is 0.9.7e (Debian oldstable). I sincerely do not remember whether
same version was used to generate CA certificate or it was done with
previous version of Debian (which had 0.9.6 as far as I remember).


                                Thanks in advance, Victor.

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