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Training Camp • Cybersecurity Glossary
OCSP stapling lets a TLS server attach a signed certificate-status response to the handshake, improving performance and protecting client privacy.
OCSP Stapling Definition: OCSP stapling lets a TLS server attach a signed certificate-status response to the handshake, improving performance and protecting client privacy.
OCSP stapling is a TLS extension in which a web server periodically obtains a signed, time-stamped certificate-status response from the certificate authority and attaches, or staples, it to the TLS handshake. This removes the need for each client to query the CA's OCSP responder directly, improving handshake performance and protecting user privacy. Defined in the TLS Certificate Status Request extension RFC 6066, it can be reinforced with the OCSP Must-Staple flag to prevent downgrade.
OCSP Stapling is one of the topics you'll master in the Security+ Boot Camp.
Security+ Boot Camp →