post_connection_check

# File ext/openssl/lib/openssl/ssl.rb, line 383
      def post_connection_check(hostname)
        if peer_cert.nil?
          msg = "Peer verification enabled, but no certificate received."
          if using_anon_cipher?
            msg += " Anonymous cipher suite #{cipher[0]} was negotiated. "                     "Anonymous suites must be disabled to use peer verification."
          end
          raise SSLError, msg
        end

        unless OpenSSL::SSL.verify_certificate_identity(peer_cert, hostname)
          raise SSLError, "hostname \"#{hostname}\" does not match the server certificate"
        end
        return true
      end