// IPv6 addresses of localhost.
	localIP6 = mustGetLocalIP6()

	// List of all local loopback addresses.
	localLoopbacks = mustGetLocalLoopbacks()
)

// mustSplitHostPort is a wrapper to net.SplitHostPort() where error is assumed to be a fatal.
func mustSplitHostPort(hostPort string) (host, port string) {
	xh, err := xnet.ParseHost(hostPort)
	if err != nil {
		logger.FatalIf(err, "Unable to split host port %s", hostPort)
	}

		// - All field should be empty except Host and Path.
		if !isValidURLEndpoint(u) {
			return ep, fmt.Errorf("invalid URL endpoint format")
		}

		var port string
		host, port, err = net.SplitHostPort(u.Host)
		if err != nil {
			if !strings.Contains(err.Error(), "missing port in address") {
				return ep, fmt.Errorf("invalid URL endpoint format: %w", err)
			}

			host = u.Host
		} else {

		if len(tokens) != 2 {
			logger.Fatal(fmt.Errorf("invalid arguments passed to --ftp=%s", arg), "unable to start FTP server")
		}
		switch tokens[0] {
		case "address":
			host, portStr, err := net.SplitHostPort(tokens[1])
			if err != nil {
				logger.Fatal(fmt.Errorf("invalid arguments passed to --ftp=%s (%v)", arg, err), "unable to start FTP server")
			}
			port, err = strconv.Atoi(portStr)
			if err != nil {

			inputBytes += len(k) + len(v)
		}

		// Calculate node name
		nodeName := r.Host
		if globalIsDistErasure {
			nodeName = globalLocalNodeName
		}
		if host, port, err := net.SplitHostPort(nodeName); err == nil {
			if port == "443" || port == "80" {
				nodeName = host
			}
		}

		// Calculate reqPath
		reqPath := r.URL.RawPath
		if reqPath == "" {
			reqPath = r.URL.Path
		}

		if len(tokens) != 2 {
			logger.Fatal(fmt.Errorf("invalid arguments passed to --sftp=%s", arg), "unable to start SFTP server")
		}
		switch tokens[0] {
		case "address":
			host, portStr, err := net.SplitHostPort(tokens[1])
			if err != nil {
				logger.Fatal(fmt.Errorf("invalid arguments passed to --sftp=%s (%v)", arg, err), "unable to start SFTP server")
			}
			port, err = strconv.Atoi(portStr)
			if err != nil {

	// Prints documentation message.
	printObjectAPIMsg()
	if globalIsDistErasure {
		logger.Startup(color.Bold(banner))
	}
}

// Returns true if input is IPv6
func isIPv6(host string) bool {
	h, _, err := net.SplitHostPort(host)
	if err != nil {
		h = host
	}
	ip := net.ParseIP(h)
	return ip.To16() != nil && ip.To4() == nil
}

// strip api endpoints list with standard ports such as

}

func (driver *ftpDriver) getMinIOClient(ctx *ftp.Context) (*minio.Client, error) {
	tr := http.RoundTripper(globalRemoteFTPClientTransport)
	if host, _, err := net.SplitHostPort(ctx.Sess.RemoteAddr().String()); err == nil {
		tr = forwardForTransport{tr: tr, fwd: host}
	}
	ui, ok := globalIAMSys.GetUser(context.Background(), ctx.Sess.LoginUser())
	if !ok && !globalIAMSys.LDAPConfig.Enabled() {

	for _, domainName := range globalDomainNames {
		if IsKubernetes() {
			routers = append(routers, apiRouter.MatcherFunc(func(r *http.Request, match *mux.RouteMatch) bool {
				host, _, err := net.SplitHostPort(getHost(r))
				if err != nil {
					host = r.Host
				}
				// Make sure to skip matching minio.<domain>` this is
				// specifically meant for operator/k8s deployment

			l, err := net.Listen("TCP", fmt.Sprintf(":%s", p.String()))
			if err == nil {
				defer l.Close()
			}
			consoleAddr = net.JoinHostPort("", p.String())
		}

		if _, _, err := net.SplitHostPort(consoleAddr); err != nil {
			logger.FatalIf(err, "Unable to start listening on console port")
		}

		if consoleAddr == addr {

pkg net, func ResolveTCPAddr(string, string) (*TCPAddr, error)
pkg net, func ResolveUDPAddr(string, string) (*UDPAddr, error)
pkg net, func ResolveUnixAddr(string, string) (*UnixAddr, error)
pkg net, func SplitHostPort(string) (string, string, error)
pkg net, method (*AddrError) Error() string
pkg net, method (*AddrError) Temporary() bool
pkg net, method (*AddrError) Timeout() bool
pkg net, method (*DNSConfigError) Error() string