Let's Encrypt stops supporting the OCSP protocol for checking revoked certificates.
The Let’s Encrypt non-profit certificate authority, community-controlled and offering certificates free of charge to anyone, has decided to discontinue support for the Online Certificate Status Protocol (OCSP), used for checking certificate revocation. Instead of OCSP, it is recommended to use Certificate Revocation Lists (CRL), published by Let’s Encrypt starting in 2022. On May 7, 2025, Let’s Encrypt […]
