Basically, sec_error_ocsp_try_server_later error happens when we visit a secure website using the https:// protocol in Firefox or Internet Explorer.
It does not indicate a problem with the site. It occurs due to a change in the method they use to check for revoked SSL certificates.
Here at Ibmi Media, as part of our Server Management Services, we regularly help our Customers to perform related cPanel queries.
In order to resolve this error,
1. Open the Apache Include Editor in WHM
i. In WHM, we select Apache Configuration in the left menu to open the Apache Configuration page.
ii. Then we scroll down to Include Editor and select it.
iii. On the Include Editor page, in the Pre-VirtualHost Include section, we select All Versions underneath "I wish to edit the Pre-VirtualHost configuration include file for":
We scroll past any directives that may be listed in the include file, and add the following at the very bottom:
SSLUseStapling on
SSLStaplingCache shmcb:/tmp/stapling_cache(128000)
Then we click on the Update button at the bottom to save the include file.
2. Restart Apache to Apply the Settings
This article covers methods to resolve cPanel: Firefox users see "sec_error_ocsp_try_server_later".
To fix this cPanel error:
Once you see the text editor for the include file of All Versions, there may already be some configuration lines in there. If there are, simply scroll to the bottom of the window, then paste in the following:
SSLUseStapling on
SSLStaplingCache shmcb:/tmp/stapling_cache(32768)