How to upload the CA Bundle file (.ca-bundle) to DirectAdmin.

An SSL certificate ca-bundle is a file containing a number of intermediate certificates used to complete a chain of trust. The chain of trust starts with the SSL certificate's root certificate, which is signed by a trusted Certificate Authority (CA). The root certificate is followed by any number of intermediate certificates, which are each signed by a different CA. The final certificate in the chain is the SSL certificate itself, which is signed by the last CA in the chain.

The ca-bundle file is typically included with SSL certificates that are sold by commercial Certificate Authorities.

Once you successfully receive an SSL certificate from the Certificate Authority, the next step is installing it on your website. If you have a DirectAdmin control panel, there is a procedure to install the SSL certificate and CA Bundle file in the DirectAdmin panel.

Steps to install SSL certificate CA bundle file in Direct Admin.

Step 1. Login into the DirectAdmin account. If you've logged into your DirectAdmin Admin account, head over to the top right corner and change your user access level from Admin to User. You can also directly login into your DirectAdmin user account using User login details.

Step 2. Go to the Advanced Features section and click SSL Certificates.

 

 

Step 3. Select the Paste pre-generated certificate and key option. Next, you need to paste your Private Key, including the —–BEGIN PRIVATE KEY—– and —–END PRIVATE KEY—– tags.

Step 4. Double-check the codes you've just pasted, tick Force SSL with the https redirect, and then click Save.

Step 5. Now, you need to install the certificate chain you received from your Certificate Authority. Then, return to the SSL Certificates menu and click on SSL CA Certificate.

Step 6. Copy and paste the certificates from your CA-bundle file. Do not forget to Tick the Use a CA Cert checkbox and click on the Save button.

Congratulations! You have successfully installed your SSL Certificate using the DirectAdmin control panel. Use these excellent SSL tools to test your SSL installation for potential errors.
https://www.sslshopper.com/ssl-checker.html

Conclusion: CA Bundle file provides a trusted path between a web browser and a website's security certificate. When you access a site over HTTPS (the "S" stands for secure), your browser will check if the certificate is issued by a trusted Certificate Authority (CA). The connection may fail if the certificate was issued by a CA not listed on your server. Additionally, browsers may warn consumers about sites whose certificates aren't signed by trusted CAs. Following this article, you can install an SSL certificate in the DirectAdmin panel with the Certificate Authority key and secure your website.

 

 


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