Problem Nginx with SSL Settings active in IIS 7.5

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I've got the following problem with nginx working with IIS, when enabled the
client certificate in the SSL Settings solicitation IIS, it performs two SSL
handshake, a first without requesting the certificate after this first
handshake is done another handshake requesting the certificate. The
operation is done as explained in this link:
http://blogs.technet…ertificate-authentication.aspx
When access the application through the nginx reverse is done only one
handshake already requesting the certificate, resulting in no operation of
the application.

Posted at Nginx Forum: http://forum.nginx.org/read.php?2,260279,260279#msg-260279