Thursday, June 14, 2018

OpenSSL to Retrieve Certificate

It is very easy to retrieve TLS/SSL certificate bound to a web server. You can use any Internet browser to navigate to the site and then you can view the certificate.

How do you get a certificate details from a non-HTTP endpoints? like LDAP for example.
Fortunately, you can use OpenSSL to retrieve the certificate

> openssl s_client -connect address-of-the-endpoint:636


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