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  2. Certificate revocation list - Wikipedia

    en.wikipedia.org/wiki/Certificate_revocation_list

    A CRL is generated and published periodically, often at a defined interval. A CRL can also be published immediately after a certificate has been revoked. A CRL is issued by a CRL issuer, which is typically the CA which also issued the corresponding certificates, but could alternatively be some other trusted authority.

  3. Online Certificate Status Protocol - Wikipedia

    en.wikipedia.org/wiki/Online_Certificate_Status...

    Since an OCSP response has less data to parse, the client-side libraries that handle it can be less complex than those that handle CRLs. [11] OCSP discloses to the responder that a particular network host used a particular certificate at a particular time. OCSP does not mandate encryption, so other parties may intercept this information. [2]

  4. Certificate revocation - Wikipedia

    en.wikipedia.org/wiki/Certificate_revocation

    OCSP stapling can solve the operational challenges of OCSP, namely additional network requests causing latency and privacy degradation. [33] However, it can be susceptible to downgrade attacks by an on-path attacker. [9] RFC 7633 defines an extension that embeds a requirement into a certificate to be stapled to a valid OCSP response. [34]

  5. X.509 - Wikipedia

    en.wikipedia.org/wiki/X.509

    X.509 and RFC 5280 also include standards for certificate revocation list (CRL) implementations. Another IETF-approved way of checking a certificate's validity is the Online Certificate Status Protocol (OCSP). Firefox 3.0 enabled OCSP checking by default, as did versions of Windows from at least Vista and later. [9]

  6. Self-signed certificate - Wikipedia

    en.wikipedia.org/wiki/Self-signed_certificate

    Their use doesn't involve the problems of trusting third parties that may improperly sign certificates. Self-signed certificate transactions usually present a far smaller attack surface by eliminating both the complex certificate chain validation, [1] and certificate revocation checks like CRL and OCSP.

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  8. Are Dogs Lactose Intolerant? What Experts Advise About ...

    www.aol.com/dogs-lactose-intolerant-experts...

    Dogs who still produce lactase enzymes can still have digestive problems related to dairy, though they're bound to be a lot less severe. Without the enzymes (or with just a small amount), the ...

  9. OCSP stapling - Wikipedia

    en.wikipedia.org/wiki/OCSP_stapling

    OCSP stapling is designed to reduce the cost of an OCSP validation, both for the client and the OCSP responder, especially for large sites serving many simultaneous users. However, OCSP stapling supports only one OCSP response at a time, which is insufficient for certificate chains with intermediate CA certs. [26] [27]