Use OpenSSL to manage PKCS #12 archive.
Match certificate and its intermediate counterpart by using X.509 key identifier extension.
Use openssl utility to display and verify the certificate chain for a specific domain.
Match certificate and its private key by comparing the modulus of the certificate to the modulus of the private key.
Use openssl command-line utility to display TLS server extensions.
Use essential openssl utility to quickly determine if your web-server still supports deprecated TLS 1.0 protocol.
Create custom data field to define multiple domain names and service apply rule to verify those SSL certificates.
Check locally stored SSL certificate using essential utilities like openssl and curl. This knowledge is especially useful when you want to prepare an SSL certificate for a load balancer.