OpenSSL: Manually verify a certificate against an OCSP Published: 07-04-2014 | Author: Remy van Elst | Text only version of this article ❗ This post is over ten years old. It may no longer be up to date. Opinions may have changed. This article shows you how to manually verfify a certificate against an OCSP server. OCSP stands for the Online Certificate Status Protocol and is one way to validate a