$ openssl s_client -connect host:port Famous "over SSL" protocols table
To verify connection parameters you need at least to specify a CA certificate, at most a client secret key and public certificate. $ openssl s_client -CAfile /etc/ssl/certs/AddTrust_External_Root.pem -connect host:443 $
openssl s_client -CAfile /etc/ssl/certs/AddTrust_External_Root.pem -cert /my/cert.pub -key /my/key.priv -connect host:443 Successful connection ends with: Verify return code: 0 (ok) |