network-device-scanner

扫描局域网内活跃设备及其开放端口,返回格式化Markdown表格。触发场景:(1) 用户说"查一下周边设备有哪些"、"扫描周边设备"、"看看网络有哪些设备"、"局域网有哪些设备" (2) 用户提到IP地址、MAC地址、端口扫描相关的查询

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Install skill "network-device-scanner" with this command: npx skills add doooxu/network-device-scanner

Network Scanner

扫描当前局域网内的活跃设备及其开放端口,返回格式化表格。

用途:仅用于管理用户自有网络,发现和识别局域网内的设备。

执行方式

Linux

python3 skills/network-device-scanner/scripts/scan.py

macOS

python3 skills/network-device-scanner/scripts/scan.py

Windows (PowerShell)

powershell -ExecutionPolicy Bypass -File skills/network-device-scanner/scripts/scan.ps1

环境要求

  • Python 3.7+
  • 可选: arp 命令 (Linux/macOS), fpingnmap (更快发现)

输出格式

严格按照以下格式返回:

IP 地址MAC开放端口设备类型
172.16.10.1e4-68-a3-95-f9-1621, 23, 80小米路由器 (Telnet+FTP)
172.16.10.2494-e6-f7-be-c8-0a22, 80, 443, 3389, 8080, 8443, 9000Linux服务器 (SSH/RDP/Web)
172.16.10.19640-31-3c-db-06-7d80, 8080, 8443小米设备 (智能电视/IoT)
172.16.10.21930-9c-23-07-1b-ea135, 139, 445Windows电脑 (SMB/远程管理)

功能说明

  1. 设备发现 (按优先级):
    • 读取 /proc/net/arp (Linux)
    • 使用 arp 命令
    • Ping 扫描 (fping > nmap > basic ping)
  2. 使用TCP端口扫描验证设备活跃状态
  3. 扫描常用端口: 21, 22, 23, 53, 80, 135, 139, 443, 445, 554, 8000, 8080, 8443, 9000, 37777
  4. 根据MAC前缀和开放端口自动识别设备类型

设备类型识别规则

  • MAC前缀 e4-68-a3 → 小米路由器
  • MAC前缀 40-31-3c → 小米设备
  • 开放 135,139,445 端口 → Windows电脑
  • 开放 22,80 端口 → Linux服务器
  • 开放 80/8080 端口 → Web服务器/设备

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