Update the ssl.conf file of Oracle HTTP Server to enable client certificate authentication . You should complete this procedure in addition to configuring Oracle HTTP Server as discussed in the SSL procedures appropriate for your implementation. See:
To configure client certificate authentication on Oracle HTTP Server:
Using a text editor, open EPM_ORACLE_INSTANCE/httpConfig/ohs/config/OHS/ohs_component/ssl.conf.
Ensure that the SSLVerifyClient parameter and SSLOptions directive are set:
SSLVerifyClient require SSLOptions +StdEnvVars +ExportCertData
Include the following directive:
RequestHeader set HYPLOGIN “%{SSL_CLIENT_CERT}e”