Certificate fingerprint

How to get the fingerprint and other info for an SSL site certificate.

openssl x509 -fingerprint < <certificate file>

openssl x509 -sha1 -fingerprint < <certificate file>

openssl x509 -fingerprint < groups.aldigital.co.uk.cert

# To get lots of information about a cert, but not including the fingerprint

openssl s_client -connect <host:port>

e.g.

openssl s_client -connect beta.richersounds.co.uk:443