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Tutorial How to address OCSP responder errors

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Apr 27, 2015
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How to address OCSP responder errors - Information about troubleshooting OCSP responder errors.

Many of you have likely landed here due to running across the following error or similar in your Apache error log when sites using AutoSSL or other SSL certificates take an excessively long time to load, or simply time out:

Code:
Network is unreachable: could not connect to OCSP responder 'ocsp.comodoca.com'
OCSP (Online Certificate Status Protocol) is used to ensure that the current status of a given SSL certificate is always communicated to the webserver, and the client's browser....
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