How is OCSP implemented?

How is OCSP implemented?

Solution

1. Locate the OCSP Response Signing Certificate > Properties.
2. Security Tab > Add in the server that will be hosting the OCSP service, (I always use the same server that’s serving my CRL).
3. Grant the server read and enroll rights > Apply > OK.
4. Then issue the OCSP Responder Template.

Which browsers support OCSP stapling?

On the browser side, OCSP stapling was implemented in Firefox 26, in Internet Explorer since Windows Vista, and Google Chrome in Linux, Chrome OS, and Windows since Vista. For SMTP the Exim message transfer agent supports OCSP stapling in both client and server modes.

Does Windows use OCSP?

For those Security Architects and PKI implementers, you may have known that since Windows Server 2008 we have an Online Certificate Status Protocol (OCSP) responder, and since Windows Vista we have an OCSP client that is integrated with the operating system.

What is OCSP validation?

Online Certificate Status Protocol (OCSP) is an automated certificate checking network protocol. The Enterprise Gateway can query an OCSP responder for the status of a certificate. The responder returns whether the certificate is still trusted by the CA that issued it.

What is OCSP and how does it work?

When a user requests the validity of a certificate, an OCSP request is sent to an OCSP Responder. This checks the specific certificate with a trusted certificate authority and an OCSP response is sent back with a response of either ‘good’, ‘revoked’ or ‘unknown’. What is a certificate authority and how do they work?

How to check the status of an OCSP response?

Select OCSP, and click on the Retrieve button. If the certificate is valid you will get the following response. If the certificate is revoked, you will get the following response. And if it fails, the status will be listed as Failed. You can also use the PKIView tool to verify the configurations of the OCSP Responder.

What does OCSP stand for in certificate revocation?

OCSP stands for Online Certificate Status Protocol and is used by Certificate Authorities to check the revocation status of an X.509 digital certificate.

Why are OCSP requests sent over unencrypted HTTP?

OCSP requests are sent over unencrypted HTTP and are tied to a specific certificate. Sending an OCSP request tells the certificate authority which websites you are visiting. Furthermore, everyone on the network path between your browser and the OCSP server will also know which sites you are browsing.