Use OpenSSL to manage PKCS #12 archive.
Tag: SSL Certificates
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.
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How to display TLS server extensions
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.
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How to locally check SSL certificate
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.
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How to generate and decode CSR
Create a certificate signing request and use it to generate an SSL certificate. I strongly suggest reading my two earlier blog posts about self-signed SSL certificates and private keys as these contain useful information. I will describe three different ways to generate a certificate signing request.
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How to generate private key
Generate private key for an SSL certificate and verify its consistency.