Cryptographyadvanced1 min read

OCSP

N/A

在线证书状态协议

OCSP · N/A · 在线证书状态协议 · oh-see-ess-pee · Online Certificate Status Protocol · Cryptography · tls · certs · revocationCryptographyOnline Certificate Status Protocol

/oh-see-ess-pee/

Also known as: Online Certificate Status Protocol

Last updated August 9, 2026

Definition

OCSP is a protocol browsers/clients use to check whether a TLS certificate has been revoked without downloading full CRLs.

Real-World Example

A browser OCSP check failing closed for a revoked cert blocks a compromised HTTPS site.

References

discuss://translation · public

Translation discussion

Anyone can read and write here. Pick a display name — no email or account. Please keep the thread constructive. Thumb up a rendering you agree with — that helps the editor see consensus; it does not publish the term by itself. You can edit or delete your own comments from this browser; another device or cleared site data cannot.

Community lists who wrote, on which term, and when.

Loading discussion…