CurvePreferences []tls.CurveID

	// HTTP2
	EnableHTTP2 bool

	// TCP Options
	TCPOptions TCPOptions
}

func (s ConnSettings) getDefaultTransport(maxIdleConnsPerHost int) *http.Transport {
	if maxIdleConnsPerHost <= 0 {
		maxIdleConnsPerHost = 1024
	}

	dialContext := s.DialContext
	if dialContext == nil {
		dialContext = DialContextWithLookupHost(s.LookupHost, NewInternodeDialContext(s.DialTimeout, s.TCPOptions))

		RootCAs:     globalRootCAs,
		TCPOptions:  globalTCPOptions,
	}
}

// NewInternodeHTTPTransport returns a transport for internode MinIO
// connections.
func NewInternodeHTTPTransport(maxIdleConnsPerHost int) func() http.RoundTripper {
	return xhttp.ConnSettings{
		LookupHost:       globalDNSCache.LookupHost,
		DialTimeout:      rest.DefaultTimeout,
		RootCAs:          globalRootCAs,

		RecvBufSize: ctxt.RecvBufSize,
		IdleTimeout: ctxt.IdleTimeout,
	}

	// allow transport to be HTTP/1.1 for proxying.
	globalInternodeTransport = NewInternodeHTTPTransport(ctxt.MaxIdleConnsPerHost)()
	globalRemoteTargetTransport = NewRemoteTargetHTTPTransport(false)()
	globalProxyEndpoints = GetProxyEndpoints(globalEndpoints, globalRemoteTargetTransport)