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The Online Certificate Status Protocol (OCSP) stapling, formally known as the TLS Certificate Status Request extension, is a standard for checking the revocation status of X.509 digital certificates. [1]
The OCSP responder uses the certificate serial number to look up the revocation status of Alice's certificate. The OCSP responder looks in a CA database that Carol maintains. In this scenario, Carol's CA database is the only trusted location where a compromise to Alice's certificate would be recorded.
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.
• Recent activity - Devices or browsers that recently signed in. • Apps connected to your account - Apps you've given permission to access your info. • Recent account changes - Shows the last 3 password changes. Click show all to see all changes. IP addresses in Recent activity
3. Click Check firewall status. 4. In the left panel, under Control Panel Home, click Turn Windows Firewall on or off. 5. Under Customize settings for each type of network, in the Home or network (private) network location settings section, select the Turn off Windows Firewall (not recommended) option. 6.
The most common reason for revocation is the user no longer being in sole possession of the private key (e.g., the token containing the private key has been lost or stolen). Hold This reversible status can be used to note the temporary invalidity of the certificate (e.g., if the user is unsure if the private key has been lost).
Security Support Provider Interface (SSPI) is a component of Windows API that performs security-related operations such as authentication.. SSPI functions as a common interface to several Security Support Providers (SSPs): [1] A Security Support Provider is a dynamic-link library (DLL) that makes one or more security packages available to apps.
Periodic – the device is scheduled to perform a periodic session, as per the PeriodicInformInterval settings; Connection request – the device responds to the server's request for a connection; Value change – value for a parameter that is being monitored has changed; Boot – after the device was reset or lost power and was reconnected;