Network Scanner Agent
Network Scanner Agent (Nmap-based)
1.1 Purpose of This Tool
The purpose of the Network Scanner Agent is to help system administrators and IT support staff keep track of all active devices on their network. By running automatically in the background and logging device information, it makes it easy to:
- Monitor network health
- Detect unknown or unauthorized devices
- Track changes in connected devices over time
- Improve security awareness
This tool reduces manual effort and improves visibility into your network environment.
1. What is Network Scanner Agent?
The Network Scanner Agent is an automatic tool that silently runs in the background on your Windows computer. It scans your network every 5 hours and records information about all connected devices.
2. What It Collects
- ✅ IP Address
- ✅ MAC Address
- ✅ Hostname
- ✅ Vendor (Device manufacturer)
- ✅ Operating System Type
3. How It Works
- It is installed using a .msi installer
- It runs in the background as a Windows Service
- It automatically scans the network every 5 hours
- It saves scan results in a .txt file
4. Installation Steps
- Double-click the .msi installer (e.g.,
NetworkAgentSetup.msi) - Follow the on-screen instructions to complete the installation
- After installation:
- The agent starts automatically
- A new Windows Service will appear: NetworkScannerService
5. How to Check If It's Running
- Press Windows + R, type
services.msc, press Enter - Look for the service: NetworkScannerService
- If it's running, your agent is active
6. Where Are the Scan Results?
The scan results are saved as a .txt file in a fixed folder, like:
C:\Program Files (x86)\GreenItCo\NmapScanner\log_[DATE_].txt
7. Sample Output (scan_results.txt)
Scan Time: 2025-08-02 10:00:00 Device 1: IP: 192.168.0.101 MAC: 00-1A-2B-3C-4D-5E Host: DESKTOP-01 Vendor: Intel Corp OS: Windows 10 Device 2: IP: 192.168.0.103 MAC: AA-BB-CC-DD-EE-FF Host: LAPTOP-05 Vendor: Dell Inc. OS: Linux
8. Restarting the Agent (if needed)
If the agent isn't working properly, you can restart it.
- Open
services.msc - Find NetworkScannerService
- Right-click → Restart
9. Troubleshooting
- Issue: File not updated → Wait 5 hours or restart the service
- Issue: File missing → Check C:\ProgramData\NetworkScanner\ or ask admin
- Issue: Service not running → Open services.msc, right-click the service, and click Start
- Issue: Nmap error → Ensure Nmap is installed properly or contact IT support