Authenticate
Oracle Unified Directory uses a certificate authority (CA) certificate, issued by Verisign, to enable clients to connect securely to the server.
Note:
Ensure that you have the appropriate log-in credentials for administrating Oracle Unified Directory instances. See Configuring Root Users.- 
                        An SSL certificate authority (CA) certificate file or bundle to authenticate against the Verisign CA certificate. 
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                        User name and password for your Oracle Unified Directory account. 
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                        The custom header <request-header>.
For example, to authenticate using cURL:
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                     Set the cURL environment variable, CURL_CA_BUNDLE, to the location of your local CA certificate bundle. For information about CA certificate verification using cURL, see: http://curl.haxx.se/docs/sslcerts.html.
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                     Pass the user name and password for your Oracle Unified Directory account using the -ucURL option.
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                     Pass the <request-header>custom request header using the-HcURL option.
curl -i -X GET -u <username>:<password> -H <request-header>:<value> https://<subdomain>.<domain>.com:<port>/<resource-path>