Use the URL below to test your website(s).Next, locate the file ‘SSL_COM_RSA_SSL_subCA’ and install it as well. Again, try to place the certificate in the Trusted Root certificate store, or the Trustpoint/keystore that you are using.

How do I make my own bundle file from CRT files? - Powered How do I make my own bundle file from CRT files? Answer: You may do this using you favorite text editor or by using the command line. Example: # Root CA Certificate - AddTrustExternalCARoot.crt # Intermediate CA Certificate 1 - ComodoRSAAddTrustCA.crt OR ComodoECCAddTrustCA.crt What is a Certificate Authority (CA)? - SSL.com A certificate authority (CA), also sometimes referred to as a certification authority, is a company or organization that acts to validate the identities of entities (such as websites, email addresses, companies, or individual persons) and bind them to cryptographic keys through the issuance of electronic documents known as digital certificates.A digital certificate provides: Install SSL.com CA Root Certificates - SSL.com

Installing your SSL Server Certificate - Apache mod_ssl

For instance, Apache requires you to bundle the intermediate SSL certificates and assign the location of the bundle to the SSLCertificateChainFile configuration. Conversely, NGINX requires you to package the intermediate SSL certificates in a single bundle with the end-user certificate.

Add the CA cert for your server to the existing default CA certificate store. The default CA certificate store can changed at compile time with the following configure options:--with-ca-bundle=FILE: use the specified file as CA certificate store. CA certificates need to be concatenated in PEM format into this file.

Python, Requests, and SSL - Steven Casagrande Jun 20, 2016 SSL Digital Certificate Authority - Encryption