Create the Deep Discovery Email Inspector private key and certificate to secure the communication channel.
# openssl genrsa -out /tmp/ddei_key.pem
Generating RSA private key, 1024 bit long modulus
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e is 65537 (0x10001)
# openssl req -new -key /tmp/ddei_key.pem -out /tmp/ddei_req.pem
You are about to be asked to enter information that will be incorporated into your certificate request.
What you are about to enter is what is called a Distinguished Name or a DN.
There are quite a few fields but you can leave some blank
For some fields there will be a default value,
If you enter '.', the field will be left blank.
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Country Name (2 letter code) [GB]:DE
State or Province Name (full name) [Berkshire]:Bavaria
Locality Name (eg, city) [Newbury]:Munich
Organization Name (eg, company) [My Company Ltd]:Trend Micro
Organizational Unit Name (eg, section) []:Global Training
Common Name (eg, your name or your server's host name) []:linux.course.test
Email Address []:<Enter>
Please enter the following 'extra' attributes to be sent with your certificate request
A challenge password []:<Enter>
An optional company name []:<Enter>
After completing this procedure, the /tmp/ddei_key.pem file contains the Deep Discovery Email Inspector (linux.course.test) private key in PEM-format. The /tmp/ddei_req.pem file contains the unsigned certificate (certificate request) in the PEM-format.
The Common Name (CN) field for the key owner must be equal to the FQDN or be the same as the name specified in the domain-based delivery.