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All versions of Mozilla Firefox support OCSP checking. Firefox 3 enables OCSP checking by default. [16] Safari on macOS supports OCSP checking. It is enabled by default as of Mac OS X 10.7 (Lion). Prior to that, it has to be manually activated in Keychain preferences. [17] Versions of Opera from 8.0 [18] [19] to the current version support OCSP ...
OCSP suffers from scalability issues. It relies on the client having network access at the time of checking the certificate's revocation status; further, the OCSP responder must be accessible and produce usable responses, or else the check will fail and the client must choose between failing-soft and failing-hard.
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]
Browsers and other relying parties might use CRLs, or might use alternate certificate revocation technologies (such as OCSP) [4] [5] or CRLSets (a dataset derived from CRLs [6]) to check certificate revocation status. Note that OCSP is falling out of favor due to privacy and performance concerns. [7] [8] [9] Subscribers and other parties can ...
The group's primary focus [15] was promoting an understanding of the importance of certificate revocation checking and the benefits of OCSP stapling. The protocol is intended to ensure that web users are aware when they visit a web site with a revoked or expired SSL certificate. [16]
The demise of the fact-checking program, started in 2016, caught partner organizations by surprise. "We've learned the news as everyone has today. It's a hard hit for the fact-checking community ...
Without revocation, an attacker would be able to exploit such a compromised or misissued certificate until expiry. [31] Hence, revocation is an important part of a public key infrastructure . [ 32 ] Revocation is performed by the issuing CA, which produces a cryptographically authenticated statement of revocation.
Meta is scrapping its fact-checking program with trusted partners and replacing it with a community-driven system similar to X’s Community Notes, CEO Mark Zuckerberg said.