n0ctal 3f1dd4bf5a fix: follow-ups from the post-merge reviews of #6221, #6227, #6230 and #6239 (#6250)
* fix: follow-ups from the post-merge reviews of #6221, #6227, #6230 and #6239

Six defects the automated reviews found after those PRs merged. Each is
verified rather than taken on trust — two by experiment, the rest by
reading the merged code.

**Import restore never wrote an empty local value** (#6227). GORM builds
the assignment map from the struct passed to Assign and drops zero-valued
fields, so `Assign(model.Setting{Value: ""})` produced an empty Updates
and the imported row survived. Empty is the normal state: UpdateAllSetting
writes a row for every AllSetting field including the blank ones. That is
exactly the case the PR existed for — a destination with no certificate
inheriting the source machine's path. Confirmed with a throwaway test
before changing anything: the value stayed "IMPORTED". Now uses
saveSetting, which is not zero-filtered.

**Import destroyed node mTLS material** (#6227). The "no local row means
the default applied, so drop the import" branch fires for the five
nodeMtls* keys, which are minted on demand and deliberately absent from
AllSetting, so a fresh install has no row for them. Reinstall-then-restore
therefore deleted the CA certificate and its private key — and the backup
was the only copy, since neither is surfaced in the UI or the export.
Those keys are now kept.

**The clients-list enable toggle wiped renewal state** (#6239, #6238).
setEnable hand-builds the update payload and carried reset but not
resetDay or resetMax, so one click on the switch turned calendar mode off
and lifted the renewal cap permanently. The form-modal tests could not
catch it because that path does send both fields.

**"Delete depleted clients" deleted calendar clients** (#6239). The
predicate read `reset = 0` as "does not auto-renew", which is exactly the
calendar shape, in two places. Both now share one constant that also
requires `reset_day = 0`.

**Allowlist validation and parsing disagreed** (#6230). Save used net,
scan used netip, and they differ: `198.51.100.0/024` saves without
complaint and is silently dropped at scan — the failure the PR set out to
remove. Verified by running both parsers. An IPv4-mapped prefix parsed but
could never match, because contains() unmaps the query while the prefix
stayed 128-bit; it is unmapped at parse now. A test asserts the two
acceptance sets agree.

**A comment stated the opposite of the truth** (#6221). GetInbounds has no
enable filter, so a node reports a disabled inbound normally; the row in
that bug report was missing only because it was never delivered. Reworded
to the real invariant.

Also trims two comment blocks in ip_limit_allowlist.go to the repo's
two-line maximum.

Not included: the reviewer's suggestion to lift the node hand-off out of
`if inbound.Enable` in AddInbound. It is the right root-cause fix, but it
changes delivery behaviour on multi-node deployments and belongs in its
own change with its own testing, not in a cleanup batch.

One reported finding is not real: BulkCreate does call
validateClientResetDay, validateClientResetMax and
validateClientTrafficReset — verified in the merged tree.

* fix(netsafe): wrap both errors so errorlint passes

Unrelated to this PR's subject and in a file it does not otherwise touch.
It is here only because CI lints the merge result, and `main` has been red
since #6242 landed: `fmt.Errorf("%w; %v", ...)` wraps the first error and
formats the second, which errorlint rejects. Go 1.20 allows more than one
%w, so both are wrapped now and `errors.Is` works against either.
2026-08-18 15:24:59 +02:00
2026-08-14 17:02:17 +02:00
2026-08-14 17:02:17 +02:00
2023-02-09 22:48:06 +03:30

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3x-ui

Release Build GO Version Downloads License Go Reference

3X-UI is an advanced, open-source web control panel for managing Xray-core servers. It provides a clean, multi-language interface for deploying, configuring, and monitoring a wide range of proxy and VPN protocols — from a single VPS to multi-node deployments.

Built as an enhanced fork of the original X-UI project, 3X-UI adds broader protocol support, improved stability, per-client traffic accounting, and many quality-of-life features.

Important

This project is intended for personal use only. Please do not use it for illegal purposes or in a production environment.

Features

  • Multi-protocol inbounds — VLESS, VMess, Trojan, Shadowsocks, WireGuard, Hysteria2, HTTP, SOCKS (Mixed), Dokodemo-door / Tunnel, and TUN.
  • Modern transports & security — TCP (Raw), mKCP, WebSocket, gRPC, HTTPUpgrade, and XHTTP, secured with TLS, XTLS, and REALITY.
  • Fallbacks — serve multiple protocols on a single port (e.g. VLESS and Trojan on 443) using Xray's fallback support.
  • Per-client management — traffic quotas, expiry dates, IP limits, live online status, and one-click share links, QR codes, and subscriptions.
  • Traffic statistics — per inbound, per client, and per outbound, with reset controls.
  • Multi-node support — manage and scale across multiple servers from a single panel.
  • Outbound & routing — WARP, NordVPN, custom routing rules, load balancers, and outbound proxy chaining.
  • Built-in subscription server with multiple output formats and custom page templates.
  • Telegram bot for remote monitoring and management.
  • RESTful API with in-panel Swagger documentation.
  • Flexible storage — SQLite (default) or PostgreSQL.
  • 13 UI languages with dark and light themes.
  • Fail2ban integration for enforcing per-client IP limits.

Screenshots

Click to expand Overview Inbounds Add client Configs

Quick Start

bash <(curl -Ls https://raw.githubusercontent.com/mhsanaei/3x-ui/master/install.sh)

To install a specific version, append its tag (e.g. v3.4.0):

bash <(curl -Ls https://raw.githubusercontent.com/mhsanaei/3x-ui/master/install.sh) v3.4.0

To install the rolling dev build (latest per-commit pre-release from main, not a stable release), pass dev-latest:

bash <(curl -Ls https://raw.githubusercontent.com/mhsanaei/3x-ui/master/install.sh) dev-latest

During installation a random username, password, and access path are generated. After installation, run x-ui to open the management menu, where you can start/stop the service, view or reset your login credentials, manage SSL certificates, and more.

For full documentation, please visit the project Wiki.

Unattended install

The installer also runs non-interactively for cloud-init. Set XUI_NONINTERACTIVE=1 (or pipe with no TTY) and it installs end-to-end with zero prompts, generating random credentials and writing them to /etc/x-ui/install-result.env. See deploy/ for:

Supported Platforms

Operating systems: Ubuntu, Debian, Armbian, Fedora, CentOS, RHEL, AlmaLinux, Rocky Linux, Oracle Linux, Amazon Linux, Virtuozzo, Arch, Manjaro, Parch, openSUSE (Tumbleweed / Leap), Alpine, and Windows.

Architectures: amd64 · 386 · arm64 (aarch64) · armv7 · armv6 · armv5 · s390x.

Database Options

3X-UI supports two backends, chosen during the install:

  • SQLite (default) — a single file at /etc/x-ui/x-ui.db. Zero setup, ideal for small and medium deployments.
  • PostgreSQL — recommended for high client counts or multi-node setups. The installer can install PostgreSQL locally for you, or accept a DSN to an existing server.

At runtime the backend is selected via environment variables (the installer writes these to /etc/default/x-ui for you):

XUI_DB_TYPE=postgres
XUI_DB_DSN=postgres://xui:password@127.0.0.1:5432/xui?sslmode=disable

Migrating an existing SQLite install to PostgreSQL

x-ui migrate-db --dsn "postgres://xui:password@127.0.0.1:5432/xui?sslmode=disable"
# then set XUI_DB_TYPE and XUI_DB_DSN in /etc/default/x-ui and restart:
systemctl restart x-ui

The source SQLite file is left untouched; remove it manually once you have verified the new backend.

Docker

The default docker compose up -d keeps using SQLite. To run with the bundled PostgreSQL service, uncomment the two XUI_DB_* env lines in docker-compose.yml and start with the profile:

docker compose --profile postgres up -d

The image bundles Fail2ban (enabled by default) to enforce per-client IP limits. Fail2ban bans offenders with iptables, which requires the NET_ADMIN capability. docker-compose.yml already grants it via cap_add; if you start the container with docker run instead, add the capabilities yourself, otherwise bans are logged but never applied:

docker run -d --cap-add=NET_ADMIN --cap-add=NET_RAW ... ghcr.io/mhsanaei/3x-ui

Environment Variables

Variable Description Default
XUI_DB_TYPE Database backend: sqlite or postgres sqlite
XUI_DB_DSN PostgreSQL connection string (when XUI_DB_TYPE=postgres)
XUI_DB_FOLDER Directory for the SQLite database file /etc/x-ui
XUI_DB_MAX_OPEN_CONNS Maximum open connections (PostgreSQL pool)
XUI_DB_MAX_IDLE_CONNS Maximum idle connections (PostgreSQL pool)
XUI_INIT_WEB_BASE_PATH The initial URI path for the web panel /
XUI_ENABLE_FAIL2BAN Enable Fail2ban-based IP-limit enforcement true
XUI_LOG_LEVEL Log verbosity (debug, info, warning, error) info
XUI_DEBUG Enable debug mode false
XUI_TUNNEL_HEALTH_MONITOR Enable the tunnel health monitor (probes a URL and restarts xray after repeated failures; a restart drops all clients) false
XUI_TUNNEL_HEALTH_PROXY Proxy the probe is sent through; point it at a local xray inbound so the probe tests the tunnel (e.g. socks5://127.0.0.1:1080). Empty means the probe only checks host connectivity
XUI_TUNNEL_HEALTH_URL URL probed for tunnel health https://www.cloudflare.com/cdn-cgi/trace
XUI_TUNNEL_HEALTH_INTERVAL Interval between probes 30s
XUI_TUNNEL_HEALTH_TIMEOUT Per-probe timeout 10s
XUI_TUNNEL_HEALTH_FAILURES Consecutive failures before a restart is triggered 3
XUI_TUNNEL_HEALTH_COOLDOWN Minimum delay between consecutive restarts 5m

Supported Languages

The panel UI is available in 13 languages:

English · فارسی · العربية · 中文(简体) · 中文(繁體) · Español · Русский · Українська · Türkçe · Tiếng Việt · 日本語 · Bahasa Indonesia · Português (Brasil)

Contributing

Contributions are welcome. Please read the Contributing Guide before opening an issue or pull request.

A Special Thanks to

Acknowledgment

  • Iran v2ray rules (License: GPL-3.0): Enhanced v2ray/xray and v2ray/xray-clients routing rules with built-in Iranian domains and a focus on security and adblocking.
  • Russia v2ray rules (License: GPL-3.0): This repository contains automatically updated V2Ray routing rules based on data on blocked domains and addresses in Russia.

Community Tools

Tools and integrations built by the community around 3x-ui.

  • terraform-provider-3x-ui (License: MIT): Manage inbounds, clients, panel settings, and Xray configuration as code with Terraform / OpenTofu.

Support project

If this project is helpful to you, you may wish to give it a🌟

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Stargazers over time

Languages
Go 54.5%
TypeScript 39.4%
Shell 4%
CSS 1.6%
JavaScript 0.4%