About 1,560,000 results
Open links in new tab
  1. Online Certificate Status Protocol - Wikipedia

    Messages communicated via OCSP are encoded in ASN.1 and are usually communicated over HTTP. The "request/response" nature of these messages leads to OCSP servers being termed OCSP …

  2. [MS-OCSP]: Overview | Microsoft Learn

    Apr 23, 2024 · The Online Certificate Status Protocol (OCSP), described in [RFC2560], provides a mechanism, as a supplement to checking against a periodic certificate revocation list (CRL), to …

  3. What Is OCSP and How Does It Work? - TechTarget

    Dec 9, 2021 · What is OCSP? OCSP (Online Certificate Status Protocol) is one of two common schemes used to maintain the security of a server and other network resources. An older method, …

  4. What Is Online Certificate Status Protocol (OCSP)? - Fortinet

    The Online Certificate Status Protocol (OCSP) is an alternative to the certificate revocation list (CRL) and is used to check whether a digital certificate is valid or if it has been revoked.

  5. Client-Driven OCSP and OCSP Stapling - Oracle

    Client-driven Online Certificate Status Protocol (OCSP) enables the client to check the certificate revocation status by connecting to an OCSP responder during the Transport Layer Security (TLS) …

  6. RFC 6960: X.509 Internet Public Key Infrastructure Online ...

    The Online Certificate Status Protocol (OCSP) enables applications to determine the (revocation) state of identified certificates. OCSP may be used to satisfy some of the operational requirements of …

  7. What is OCSP Stapling? - DigiCert

    Apr 4, 2025 · OCSP or Online Certificate Status Protocol is an internet protocol that checks the validity status of a certificate in real-time.