Should I enable OCSP stapling?

2020-02-25

Should I enable OCSP stapling?

Why you should use OCSP stapling OCSP stapling means providing website visitors with better security at faster speeds. Users experience faster load times on encrypted content due to no direct connections between the web browser and CA. This is especially important for high-traffic websites.

How do I enable OCSP stapling?

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.

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.

How does OCSP stapling work?

OCSP Stapling improves the connection speed of the SSL handshake by combining two requests into one. This cuts down on the amount of time it takes to load an encrypted webpage. OCSP Stapling helps maintain the privacy of the end user as no connection is made to the CRL for the OCSP request.

Is OCSP safe?

Because most clients will silently ignore OCSP if the query times out, OCSP is not a reliable means of mitigating HTTPS server key compromise. The MustStaple TLS extension in a certificate can require that the certificate be verified by a stapled OCSP response, mitigating this problem.

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 protocol is OCSP?

Online Certificate Status Protocol
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). With OCSP, it is possible to gain more timely information of the revocation status than is possible with CRLs.

Is OCSP digicert com safe?

Firefox accessing ocsp.digicert.com which MalwareBytes says is a malicious website. Simply starting FireFox, not attempting to browse any site, results in MalwareBytes complaining of “malicious website” ocsp.digicert.com.

What is OCSP why we need it?

What is OCSP? It is a method used by browsers to make sure a security certificate is valid. Web browsers check the status of security certificates with third-party vendors. If the certificate is valid, the connection to HTTPS will continue.

What is OCSP Stapling IIS?

Online Certificate Status Protocol (OCSP) stapling enables a web server, such as Internet Information Services (IIS), to provide the current revocation status of a server certificate when it sends the server certificate to a client during the TLS handshake.

How do you test for OCSP stapling?

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 If OCSP stapling is enabled, under SSL Certificate has not been revoked, to the right of OCSP Staple, it says Good.

What is OCSP responder?

An OCSP responder (a server typically run by the certificate issuer) may return a signed response signifying that the certificate specified in the request is ‘good’, ‘revoked’, or ‘unknown’. If it cannot process the request, it may return an error code. The OCSP request format supports additional extensions.

How to check if OCSP stapling is enabled or not?

Check if OCSP stapling is enabled. With Windows servers, all you need to do is verify what version of Windows Server you are running. OCSP stapling is supported and enabled by default in Windows Server 2008 and later. OCSP stapling is not supported/ included as a feature in Windows Server pre-2008.

What is OCSP and how does it work?

With OCSP, the browser simply posts a query and receives a response from an OCSP responder (a CA’s server that specifically listens for and responds to OCSP requests) about the revocation status of a certificate.

How do I check if OCSP is working?

Check Windows server connection to the OCSP server. Open a browser and go to ocsp.digicert.com/ping.html. You should receive the “You have successfully reached the DigiCert OCSP Service” message. If you are unable to connect to the OCSP server, it is most likely a network or firewall problem.

What is the syntax for the lighttpd configuration file?

The syntax for the lighttpd 2.0 configuration file is somewhat similar to various programming languages – kind of a mixture. But don’t be afraid, it is really simple. No pointers involved 🙂 The basic blocks are values, variables, function calls and conditions. There are two boolean values: true