Tuesday, July 10, 2012

How to install SSL certificate

October 5, 2009 by  
Filed under Plesk

Installing your SSL Web Server Certificate in Plesk is very easy. Simply follow the steps.

  • Download the Primary, Intermediate, and Root certificate files from your DigiCert account.
  • Login to the Plesk Control Panel.
  • Select ‘Domains’ from the left hand menu.
  • Click on the domain name that the certificate is for.
  • Click on the ‘Certificates’ menu item.
  • There is a button in the middle of the page labeled ‘Browse’. Click ‘Browse’ and navigate to the location of the certificate (save certificate into .txt) you received from CA. Select it, then select ‘Send File’, this will upload and attach the certificate to the corresponding private key.
  • The certificate name will now appear in the list of certificates at the bottom of the page.
  • Now click ‘Up Level’ from the top right of the screen and choose ‘Setup’.
  • At the top of the page, change the ‘SSL Certificate’ drop-down menu to the certificate you have just installed.
  • Click the ‘Server’ item from the left hand menu.
  • Click on the ‘Service Management’ menu item.
  • You now need to Stop and Start the Apache process.

NOTE: Restarting Apache will not work. You must stop and start the service to complete the installation and commit the changes.


Now open a web browser and visit your site using https. It is best to test with both Internet Explorer as well as Firefox, because Firefox will give you a warning if your intermediate certificate is not installed. You should not receive any browser warnings or errors. If you immediately receive a browser message about the site not being available, then the server may not yet be listening on port 443. If your web request takes a very long time, and then times out, a firewall blocking traffic on TCP port 443 to the web server.

If you receive a “not trusted” warning, view the certificate to see if it is the certificate you expect. Check the Subject, Issuer, and Valid To fields. If the certificate is issued by DigiCert, then the Intermediate certificate is not correctly installed.

Installing your SSL Web Server Certificate:

1. Login to the Plesk Control Panel.

2. Select ‘Domains’ from the left hand menu.

3. Click on the domain name that the certificate is for.


4. Click on the ‘Certificates’ menu item.

5. There is a button in the middle of the page labeled ‘Browse’. Click ‘Browse’ and navigate to the location of the certificate (save certificate into .txt) you received from RapidSSL. Select it, then select ‘Send File’, this will upload and attach the certificate to the corresponding private key.


6. The certificate name will now appear in the list of certificates at the bottom of the page.

7. Now click ‘Up Level’ from the top right of the screen and choose ‘Setup’.

8. At the top of the page, change the ‘SSL Certificate’ drop-down menu to the certificate you have just installed.


9. Click the ‘Server’ item from the left hand menu.

10. Click on the ‘Service Management’ menu item.

11. You now need to Stop and Start the Apache process.

NOTE: Restarting Apache will not work. You must stop and start the service to complete the installation and commit the changes.

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