Configuring database connection string
Go to the configuration (by default the config will be found under C:\agat\Bastion\filters\ews\EWS_Protector.xml)
Add the database connection string relevant details
Add the Key and IV from the Admin Portal configuration
Restart the Bastion
The Key and IV is needed in case it is needed to apply Ethical Wall Policies or DLP for Webapp/MAC and Mobile devices. you can advise the following article for additional details as to how to find it
How to find the Key and IV in the Admin Portal