How do I check my OCSP response in Openssl?

How do I check my OCSP response in Openssl?

Extract the OCSP server list from the server certificate. Generate a OCSP request using the server and issuer certificates. Send the request to the OCSP server and get a response back. Optionally validate the response.

How do you test the OCSP responder?

Testing OCSP with Openssl

  1. Step 1: Get the server certificate. First, make a request to get the server certificate.
  2. Step 2: Get the intermediate certificate. Normally, a CA does not sign a certificate directly.
  3. Step 3: Get the OCSP responder for server certificate.
  4. Step 4: Make the OCSP request.

How do you test for OCSP stapling?

Check if OCSP stapling is enabled. Go to and in the Server Address box, type in your server address (i.e. If OCSP stapling is enabled, under SSL Certificate has not been revoked, to the right of OCSP Staple, it says Good.

What is the difference between CRL and OCSP?

Certificate Revocation List (CRL) – A CRL is a list of revoked certificates that is downloaded from the Certificate Authority (CA). Online Certificate Status Protocol (OCSP) – OCSP is a protocol for checking revocation of a single certificate interactively using an online service called an OCSP responder.

How do I check my CRL list?

One of which is through using Google Chrome and checking the certificate details. To do this, open the Chrome DevTools, navigate to the security tab and click on View certificate. From here, click on Details, and scroll down to where you’ll see “CRL Distribution Points”.

How do I know if my CRL is working?

To check the status of a certificate using a CRL, the client reaches out to the CA (or CRL issuer) and downloads its certificate revocation list. After doing this, it then must search through the entire list for that individual certificate.

Where is my OCSP URL?

You can see the URLs used to connect to a CA’s OCSP server by opening up a certificate. Then, in the certificates Details in the Certificate Extensions, select Authority Information Access to see the issuing CA’s URL for their OCSP.

Does OCSP check CRL?

By default, NNMi performs CRL checking, and then OCSP checking.

Does OCSP replace CRL?

Online Certificate Status Protocol (OCSP) is an Internet protocol which enables applications to determine the revocation state of identified certificates without the use of Certificate Revocation Lists (CRLs).

What is OCSP in SSL?

OCSP (Online Certificate Status Protocol) is one of two common schemes used to maintain the security of a server and other network resources. An older method, which OCSP has superseded in some scenarios, is known as a certificate revocation list (CRL).

How do I find my OCSP URL?

What is CRL and OCSP?

How do I view a CRL file?

Download a Certificate Revocation List (CRL)

  1. Open the Google Chrome web browser.
  2. Type in and press Enter (or click the link if Google Chrome is your default web browser).
  3. Open the Developer Tools.
  4. With the Developer Tools open, select the Security tab.
  5. Click on the View certificate button.

How long does OCSP last?

around 7 days
Since most OCSP staples are valid for around 7 days, there is a lot of flexibility in term of refreshing expiring responses.

What is SSL OCSP?

It’s just an SSL certificate. OCSP, or the online certificate status protocol (OCSP), is an internet protocol through which web browsers determine the revocation status of SSL/TLS certificates installed on websites.