Files
3x-ui/docs/content/docs/en/guide/index.mdx
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MHSanaei 9b91f0f42e docs: vendor the documentation site into the monorepo
Fold the standalone 3x-ui-docs project (Next.js 16 + Fumadocs, deployed to
docs.sanaei.dev) into docs/ so the panel and its documentation share a single
source of truth, the way sing-box keeps its docs in-tree. The old repo becomes
redundant and can be retired.

- Import the full site under docs/ (app, components, content, lib, public,
  scripts, config). The self-contained pnpm project sits alongside the existing
  engineering notes with no filename collisions.
- Re-point "Edit on GitHub" links from MHSanaei/3x-ui-docs to this repo's
  docs/content/docs path (docs/lib/shared.ts, docs/app/.../page.tsx).
- Add docs-ci.yml and docs-deploy.yml under .github/workflows/, scoped to
  docs/** and run with working-directory: docs, since GitHub only runs
  workflows from the repo-root .github/. deploy-static.yml's GitHub Pages
  publish (CNAME docs.sanaei.dev) carries over unchanged.

Follow-up (outside this commit): attach the docs.sanaei.dev custom domain to
this repository's Pages (or set the Vercel project's root directory to docs),
confirm the site is live from the monorepo, then delete MHSanaei/3x-ui-docs.
2026-07-07 23:07:14 +02:00

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---
title: Meet 3x-ui
description: A web panel for Xray-core — manage inbounds, protocols, clients, and subscriptions from your browser instead of editing JSON by hand.
icon: Info
---
**3x-ui** is a web control panel that sits on top of
[Xray-core](https://github.com/XTLS/Xray-core), the proxy engine that actually
moves your traffic. Instead of writing and reloading Xray's JSON configuration
by hand, you manage everything — inbounds, protocols, clients, certificates,
subscriptions — from a browser dashboard.
## How the pieces fit together
<Mermaid
chart={`
flowchart LR
Admin["Admin browser"] -->|HTTPS panel| Panel["3x-ui panel"]
Panel -->|writes config, reloads| Xray["Xray-core"]
Panel --- DB[("SQLite or PostgreSQL")]
Clients["Client apps"] -->|VLESS / VMess / Trojan / ...| Xray
Xray -->|proxied traffic| Internet["Internet"]
`}
/>
- **The panel** is the management layer: it stores your configuration in a
database, renders the dashboard, exposes a REST API, and writes the live Xray
configuration.
- **Xray-core** is the data plane: it terminates client connections on your
**inbounds** and forwards traffic to its destination.
- **Client apps** (such as v2rayNG, Clash/Mihomo, Hiddify, and others) connect
using a share link or a subscription that the panel generates for each client.
## What it gives you
- A dashboard for **inbounds** across every major protocol — VLESS, VMess,
Trojan, Shadowsocks, WireGuard, Hysteria2, SOCKS, HTTP, and Dokodemo-door.
- First-class **REALITY** and **XTLS-Vision** support for stealthy, fast
transports.
- **Per-client** traffic quotas, expiry dates, IP limits, online status, and
one-click share links / QR codes.
- **Subscriptions** in VLESS, Clash/Mihomo, and JSON formats.
- Operational tooling: **multi-node** management, a **Telegram bot**, backups,
Fail2ban-based IP limiting, and a documented REST API.
## Under the hood
| Layer | Technology |
| ------------ | -------------------------------------------- |
| Backend | Go with the Gin web framework |
| Frontend | TypeScript / React |
| Database | SQLite (default) or PostgreSQL |
| Proxy engine | Xray-core (bundled and managed by the panel) |
The default SQLite database lives at `/etc/x-ui/x-ui.db`, and the panel listens
on port **2053** by default. Both are configurable — see
[First login](/docs/guide/first-login) and the environment variable reference.
## Who it's for
3x-ui is aimed at anyone running their own Xray server: from a single personal
VPS to operators managing many nodes and clients. If you want the power of
Xray-core without living in JSON config files, this is for you.
<Callout type="info">
3x-ui is an enhanced fork of the original X-UI project, adding broader protocol
support, improved stability, per-client traffic accounting, multi-node
management, and many quality-of-life features.
</Callout>
Ready to install? Continue to [Installation](/docs/guide/installation).