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Ping works but VLESS does not connect

Ping tests ICMP reachability. VLESS follows a separate chain through a public port, TLS or REALITY, transport negotiation, UUID authorization, DNS, and server outbound routing.

Reviewed by the V2-RAY.online editorial teamPublished: ยท Updated:

Connection chain

  • Resolve the hostname.
  • Reach the public port.
  • Complete TLS or REALITY.
  • Negotiate XHTTP, WebSocket, or TCP.
  • Authorize VLESS.
  • Resolve DNS and use the server outbound.

Minimum test

Test the public port, then TLS with the correct SNI, and only then the complete client profile. A port check must not replace a sustained transfer through the tunnel.

Sources and method

The review uses developer documentation and reproducible service diagnostics.