Using Veilora's VeilShift™ as a lens, this piece breaks down what DPI looks at, and what VLESS + XHTTP + REALITY, uTLS, and xPaddingBytes can and cannot hide.
Set up VLESS + REALITY on a Linux VPS using Xray and 3X-UI without owning a domain. Working server config, client app picks, how TLS camouflage borrows microsoft.com/cloudflare.com certs against GFW DPI, and the pitfalls before relying on it.