What Is a VLESS Config and Xray Subscription?

1. What Is a VLESS Config and Xray Subscription?

A VLESS configuration is a modern Xray-style proxy configuration that commonly uses a UUID and transport parameters, and it is often combined with TLS, Reality, WebSocket or gRPC.

TerminologyProxy clients and community lists may call each imported profile a “node.” For product, checkout, and delivery copy, “config,” “share link,” “subscription URL,” and “server profile” are clearer.

In actual use, a server profile is not only a single server address. It is a complete connection profile that includes credentials, protocol settings, transport parameters and the client environment required to establish a stable connection.

Simple explanationA VLESS configuration is a modern Xray-style proxy configuration that commonly uses a UUID and transport parameters, and it is often combined with TLS, Reality, WebSocket or gRPC.

2. Common VLESS Server Profile Parameters

Different providers may package server profiles as manual parameters, one-click import links or subscription configurations recognized by clients such as Clash, Shadowrocket, Stash, v2rayN and sing-box.

Parameter	Common Field	Description
Server address	address	The IP address or domain name of the server.
Port	port	The service port.
UUID	id / uuid	The client identity used by the VLESS configuration.
Flow	flow	Optional flow setting, often used in specific Xray configurations.
Transport	network	TCP, WebSocket, gRPC or other transport type.
TLS / Reality	security	Whether TLS or Reality is used.
SNI / Host	sni / host	The server name used for TLS or reverse proxy scenarios.
Path / Public key	path / publicKey	Additional transport parameters required by certain server profile types.

3. Which Clients Can Use VLESS Server Profiles?

Whether a server profile can be used depends mainly on whether the client supports the protocol and the exact transport parameters. The following client types are commonly used for reference.

Windows

v2rayN, NekoRay, Clash Verge.

macOS

Clash Verge, Stash, V2RayU-compatible clients.

iOS

Shadowrocket, Stash, Quantumult X.

Android

v2rayNG, NekoBox, Clash Meta.

Linux

Xray-core, sing-box, v2ray-core-compatible clients.

Router / OpenWrt

OpenClash, PassWall and similar plugins.

4. VLESS Compared with Other Protocols

Different protocols are designed for different priorities. Instead of asking which protocol is always the best, choose based on your device, network environment, configuration complexity and long-term maintenance cost.

Protocol	Main Advantages	Best For	Notes
VLESS	Modern, extensible and widely used with Xray.	Reality, TLS, gRPC and advanced proxy deployments.	Client compatibility and parameters must be correct.
VMess	Older but still widely supported.	Legacy V2Ray subscriptions.	More legacy fields.
Trojan	Simple credential model over TLS style.	HTTPS-like deployments.	Depends heavily on TLS/SNI setup.
Shadowsocks	Lightweight and simple.	Basic proxy routing.	Less suitable for advanced transports.

How to choose?If you want easy daily use, first check client compatibility. For long-term business access, prioritize stable regions, clear parameters and consistent maintenance.

5. How to Choose the Right VLESS Server Profile

When choosing a VLESS configuration, consider region, latency, bandwidth, connection stability, client compatibility and the provider’s maintenance capability.

Tip: Make sure UUID, port, security type, transport and SNI are complete.
Tip: Use a client that supports your exact VLESS variant, especially Reality or gRPC.
Tip: For business access, choose stable regions and avoid frequent switching.
Tip: When importing manually, do not mix VMess and VLESS fields.

6. Usage Tips for VLESS Server Profiles

If the server profile is used for cross-border e-commerce, overseas social media, remote office work or long-term business access, keep a stable usage pattern and avoid frequently changing regions, protocols or clients.

Save connection parametersKeep the core connection parameters so you can re-import them when changing devices.

Use a consistent environmentFor long-term business use, keep the server location and client stable to reduce abnormal connection risk.

Check connection regularlyIf connection failures, speed drops or frequent disconnections occur, check parameters, local network and server status.

7. Frequently Asked Questions

What parameters does a VLESS configuration need?

Usually address, port, UUID, transport type, security type and optional SNI, path, flow or Reality parameters.

Can VLESS be used on mobile phones?

Yes, as long as the mobile client supports the specific VLESS transport and security mode.

Is VLESS better than VMess?

VLESS is more modern, but the actual experience depends on server quality, routing and client compatibility.

Choose a VLESS Subscription Plan?

If you are not sure which region, protocol or client to choose, describe your use case first and then select a more suitable connection plan.

View Connection Plans