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aixisstudio

aixisstudio/Snitch

Real-time network traffic visualizer that shows every connection your computer makes, which app is responsible, and where the remote hosts are.

代替できる製品:Little SnitchGlassWire

GitHub で見る公式サイト
スター
434
フォーク
25
未解決の Issue
1
最終コミット
3 時間前

これは何？

Snitch is a local network traffic visualizer. It captures the connections your computer opens and shows who they talk to, where the remote servers are located, and which process generates each flow. The interface offers a live force graph, a geolocated world map with animated arcs, and a sliding timeline of 15, 30 or 60 minutes.

The tool also flags suspicious patterns such as port scans, beaconing and possible data exfiltration, and it scores the privacy exposure of outgoing traffic. A passive LAN scanner builds a device list from the system ARP table without sending broadcast scans. Alerts can be suppressed by host or type, and suppression rules persist across restarts.

Snitch runs its API on 127.0.0.1 behind a per-launch token. Geolocation uses an offline DB-IP Lite database bundled with the project, and no telemetry is sent. Packet capture is built on libpcap or Npcap, and the backend is FastAPI with SQLite storage, a React and D3.js frontend, and an Electron wrapper for macOS and Windows. Linux is supported through Docker with host networking.

主な機能

  • 01Live force graph of local connections, with each remote host as a node
  • 02Geolocated world map with animated connection arcs
  • 03Anomaly detection for port scans, beaconing and possible exfiltration
  • 04Process attribution showing which app generates each connection
  • 05Passive LAN device discovery from the system ARP table
  • 06Offline geolocation with no outbound lookups and no telemetry

ユースケース

  • Checking which background applications are contacting remote servers on a laptop
  • Spotting unexpected outbound connections or data uploads from a workstation
  • Getting a readable overview of network activity without learning packet analysis tools
  • Reviewing devices on a home or small office LAN

トピック

#network-monitor#network-security#traffic-analysis#packet-capture#privacy#data-visualization#fastapi#react#bandwidth-monitor#cybersecurity

よくある質問

Snitch とは？
Real-time network traffic visualizer that shows every connection your computer makes, which app is responsible, and where the remote hosts are. Snitch is a local network traffic visualizer. It captures the connections your computer opens and shows who they talk to, where the remote servers are located, and which process generates each flow. The interface offers a live force graph, a geolocated world map with animated arcs, and a sliding timeline of 15, 30 or 60 minutes.
Snitch は無料で使えますか？ライセンスは？
Snitch は AGPL-3.0 ライセンスのオープンソースです。商用製品で使う前にライセンス条件を確認してください。
Snitch は今もメンテナンスされていますか？
活発にメンテナンス中。Snitch の最終コミットは 2026年10月19日 です。
Snitch は何に使えますか？
Checking which background applications are contacting remote servers on a laptop Spotting unexpected outbound connections or data uploads from a workstation Getting a readable overview of network activity without learning packet analysis tools Reviewing devices on a home or small office LAN
Snitch はどこで入手できますか？
ソースコードとインストール手順は GitHub にあります：https://github.com/aixisstudio/Snitch

概要はプロジェクトの README をもとに AI が生成しています。GitHub の数値は毎日更新されます。

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