Certificate Authentication Entries Added

If you are using X509 Client Cert, X509 Client Cert and Basic, or X509 Client Cert or Basic authentication, the following SSL Engine Options entry in the Virtual Hosts section is uncommented for the appropriate virtual host (if multiple hosts are defined):
SSLOptions +ExportCertData +StdEnvVars

Note: If there is an existing SSL option in the Virtual Hosts section, then that existing entry is commented out and the new SSL entry is added.
If you are using X509 Client Cert or Forms authentication, the following SSL Engine Options entry in the Virtual Hosts section is uncomment for the appropriate virtual host (if multiple hosts are defined):
SSLOptions +StdEnvVars +CompatEnvVars
In the Virtual Hosts section of the file, the SSL Client Authentication type is set it to optional:
SSLVerifyClient optional