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What port is used for OCSP?

What port is used for OCSP?


Option Description
ocsp.http.proxy.port= port_number The OCSP proxy server’s port number. If this option is omitted then the default port of 8080 is used.
ocsp.nonce.generation=on/off Generate nonce when querying OCSP. The default value is off .

How do I check my OCSP responder?

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 I know if my OCSP stapler is enabled?

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the Server Address box, type in your server address (i.e. If OCSP stapling is enabled, under SSL Certificate has not been revoked, to the right of OCSP Staple, it says Good.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

OCSP Must-Staple is a certificate extension that was introduced to address the slow performance, unreliability, soft-failures, and privacy issues associated with Online Certificate Status Protocol (OCSP).

What is OCSP protocol used for?

OCSP is used to check the revocation status of X509 certificates. OCSP provides revocation status on certificates in real time and is useful in time-sensitive situations such as bank transactions and stock trades.

How do I find my OCSP server?

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 access the OCSP?

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.

How do I enable OCSP?

Configure your Apache server to use OCSP Stapling.

  1. Edit your site’s VirtualHost SSL configuration. Add the following line INSIDE the block: SSLUseStapling on.
  2. Check the configuration for errors with the Apache Control service. Apachectl -t.
  3. Reload the Apache service. service apache2 reload.

What is http OCSP?

OCSP is a Hypertext Transfer Protocol (HTTP) used for obtaining the revocation status of an X. 509 digital certificate. It was created as an alternative to Certificate Revocation Lists (CRLs).

What is OCSP and CRL?

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 enable OCSP stapling?