How to push the Securly SSL certificate with Active Directory GPO?

The Securly SSL certificate is essential to filter HTTPS sites correctly. You can push the Securly SSL certificate using a Microsoft Active Directory GPO by adding the SSL certificate to the Trusted Root Certification Authorities store on your Active Directory server for all clients in a Microsoft domain. (Note that this is not a user-based setting.)

Manual Process

1. Download the Securly certificate. (securly_ca_2034.crt) 
2. Open Administrative Tools, and then click "Group Policy Management".
3. In the console tree, under the top level of the domain, right-click and create a new policy and title it Securly Certificate.
4. Double-click Group Policy Objects in the domain containing the Securly Certificate Group Policy object (GPO) that you want to edit. 
5. In the Group Policy Management Console (GPMC), go to "Computer Configuration > Windows Settings > Security Settings > Public Key Policies".
6. Right-click on the Trusted Root Certification Authorities store.
7. Click on "Import" and follow the steps in the Certificate Import Wizard to import the downloaded certificate.