XTLS/Xray-core · error

unsupported domain strategy: {c.DomainStrategy}

Error message

unsupported domain strategy: {c.DomainStrategy}

What it means

Error "unsupported domain strategy: {c.DomainStrategy}" thrown in XTLS/Xray-core.

Source

Thrown at infra/conf/wireguard.go:139

	if len(c.Reserved) != 0 && len(c.Reserved) != 3 {
		return nil, errors.New(`"reserved" should be empty or 3 bytes`)
	}
	config.Reserved = c.Reserved

	switch strings.ToLower(c.DomainStrategy) {
	case "forceip", "":
		config.DomainStrategy = wireguard.DeviceConfig_FORCE_IP
	case "forceipv4":
		config.DomainStrategy = wireguard.DeviceConfig_FORCE_IP4
	case "forceipv6":
		config.DomainStrategy = wireguard.DeviceConfig_FORCE_IP6
	case "forceipv4v6":
		config.DomainStrategy = wireguard.DeviceConfig_FORCE_IP46
	case "forceipv6v4":
		config.DomainStrategy = wireguard.DeviceConfig_FORCE_IP64
	default:
		return nil, errors.New("unsupported domain strategy: ", c.DomainStrategy)
	}

	config.IsClient = c.IsClient
	config.NoKernelTun = c.NoKernelTun

	return config, nil
}

func ParseWireGuardKey(str string) (string, error) {
	var err error

	if str == "" {
		return "", errors.New("key must not be empty")
	}

	if len(str) == 64 {
		_, err = hex.DecodeString(str)
		if err == nil {

View on GitHub (pinned to 7d214f8b09)

When it happens

Trigger: Thrown at infra/conf/wireguard.go:139 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of XTLS/Xray-core@7d214f8b09 (2026-08-15). Data as JSON: /api/errors/7d60d4702ba89b94. Report an issue: GitHub.