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Neko Master

See your network traffic clearly.
Real-time monitoring · Traffic auditing · Multi-gateway support

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[!IMPORTANT] Disclaimer

This project is a traffic analysis and visualization tool for local gateway environments.

It does not provide any network access service, proxy subscription, or cross-network connectivity. All data is collected from the user's own network environment.

This project is open-sourced under the MIT License. We assume no responsibility for any consequences resulting from the use of this software. Please use it in compliance with applicable laws and regulations.

About the Name

Neko (ねこ) means cat in Japanese.
Pronounced /ˈneɪkoʊ/ (NEH-ko).

Like a cat, Neko Master observes network traffic quietly and precisely.
It is a lightweight analytics dashboard designed for modern gateway environments.

✨ Features

Feature	Description
📊 Real-time Monitoring	WebSocket real-time collection with millisecond latency
📈 Trend Analysis	Multi-dimensional traffic trends: 30min / 1h / 24h
🌐 Domain Analysis	View traffic, associated IPs, and connection count per domain
🗺️ IP Analysis	ASN, geo-location, and associated domain display
🚀 Proxy Statistics	Traffic distribution and connection count per proxy node
📱 PWA Support	Install as desktop app for native experience
🌙 Dark Mode	Light / Dark / System theme support
🌍 i18n Support	English / Chinese seamless switching
🔄 Multi-Backend	Monitor multiple OpenClash backend instances simultaneously

🚀 Quick Start

Option 1: Docker Compose (Recommended)

The repository's built-in docker-compose.yml maps 3000/3001/3002 by default.
Scenarios A/B below are minimal templates for common deployments.

Scenario A: Minimal deployment (only expose 3000)

services:
  neko-master:
    image: foru17/neko-master:latest
    container_name: neko-master
    restart: unless-stopped
    ports:
      - "3000:3000" # Web UI
    volumes:
      - ./data:/app/data
      # Local MMDB (optional, files should be downloaded into ./geoip)
      - ./geoip:/app/data/geoip:ro
    environment:
      - NODE_ENV=production
      - DB_PATH=/app/data/stats.db
      - COOKIE_SECRET=${COOKIE_SECRET}

Recommended in .env (same directory as docker-compose.yml):
COOKIE_SECRET=<at least 32-byte random string> (generate with openssl rand -hex 32)

This mode is fully upgrade-compatible and works out of the box.
If WS is not routed, the app falls back to HTTP polling automatically.

Scenario B: Real-time WebSocket (recommended with reverse proxy)

services:
  neko-master:
    image: foru17/neko-master:latest
    container_name: neko-master
    restart: unless-stopped
    ports:
      - "3000:3000" # Web UI
      - "3002:3002" # WebSocket (for Nginx / Tunnel forwarding)
    volumes:
      - ./data:/app/data
      # Local MMDB (optional, files should be downloaded into ./geoip)
      - ./geoip:/app/data/geoip:ro
    environment:
      - NODE_ENV=production
      - DB_PATH=/app/data/stats.db
      - COOKIE_SECRET=${COOKIE_SECRET}

Then run:

docker compose up -d

Open http://localhost:3000 to get started.

If you use the repository's built-in Compose file (default 3000/3001/3002), run the same command.

Option 2: Docker Run

# Generate a fixed cookie secret first (for session persistence)
export COOKIE_SECRET="$(openssl rand -hex 32)"

neko-master

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