unsupported target domain strategy: {c.TargetStrategy}

Error message

unsupported target domain strategy: {c.TargetStrategy}

What it means

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

Source

Thrown at infra/conf/xray.go:295

		senderSettings.TargetStrategy = internet.DomainStrategy_USE_IP4
	case "useipv6":
		senderSettings.TargetStrategy = internet.DomainStrategy_USE_IP6
	case "useipv4v6":
		senderSettings.TargetStrategy = internet.DomainStrategy_USE_IP46
	case "useipv6v4":
		senderSettings.TargetStrategy = internet.DomainStrategy_USE_IP64
	case "forceip":
		senderSettings.TargetStrategy = internet.DomainStrategy_FORCE_IP
	case "forceipv4":
		senderSettings.TargetStrategy = internet.DomainStrategy_FORCE_IP4
	case "forceipv6":
		senderSettings.TargetStrategy = internet.DomainStrategy_FORCE_IP6
	case "forceipv4v6":
		senderSettings.TargetStrategy = internet.DomainStrategy_FORCE_IP46
	case "forceipv6v4":
		senderSettings.TargetStrategy = internet.DomainStrategy_FORCE_IP64
	default:
		return nil, errors.New("unsupported target domain strategy: ", c.TargetStrategy)
	}
	if err := c.checkChainProxyConfig(); err != nil {
		return nil, err
	}

	if c.SendThrough != nil {
		address := ParseSendThough(c.SendThrough)
		// Check if CIDR exists
		if strings.Contains(*c.SendThrough, "/") {
			senderSettings.ViaCidr = strings.Split(*c.SendThrough, "/")[1]
		} else {
			if address.Family().IsDomain() {
				domain := address.Address.Domain()
				if domain != "origin" && domain != "srcip" {
					return nil, errors.New("unable to send through: " + address.String())
				}
			}
		}

View on GitHub (pinned to 7d214f8b09)

When it happens

Trigger: Thrown at infra/conf/xray.go:295 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/4d3616b9a8decde3. Report an issue: GitHub.