# File lib/rhc/rest/client.rb, line 356
        def default_verify_callback
          lambda do |is_ok, ctx|
            @self_signed = false
            unless is_ok
              cert = ctx.current_cert
              if cert && (cert.subject.cmp(cert.issuer) == 0)
                @self_signed = true
                debug "SSL Verification failed -- Using self signed cert"
              else
                debug "SSL Verification failed -- Preverify: #{is_ok}, Error: #{ctx.error_string} (#{ctx.error})"
              end
              return false
            end
            true
          end
        end