Protocols Practice PRO

3x-ui: XHTTP over Reality

XHTTP is a transport that survives temperamental networks and gets along with CDNs better than bare TCP. In 3x-ui it's built with the same connection-creation form, except on the Transmission tab you pick network=xhttp. Below are two profiles: direct XHTTP-Reality and XHTTP+TLS behind a CDN. Enter the domain, path, and keys in the builder above.

Why XHTTP when there's TCP-Reality

TCP-Reality is a great foundation, but it has a weak spot: it likes a stable connection straight to the node. XHTTP, on the other hand, moves traffic as ordinary HTTP requests, and that gives two bonuses:

Survivability on bad networks — flaky mobile internet, losses, jittery Wi-Fi it handles more calmly.
Getting along with CDNs — XHTTP is designed to go through Cloudflare/Yandex/any front where TCP-Reality won't get through.

It's worth ke…

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