Nmap Scan icon

Nmap Scan

Scan with nmap command

Quick Scan Network

AI-generated

Overview

This node performs a quick network scan using the nmap command with the '-sn' option, which is used for ping scanning to discover live hosts on a specified network range. It is beneficial for quickly identifying active devices within a network without scanning ports, useful in network inventory, monitoring, or troubleshooting scenarios.

Use Case Examples

  1. Scan the local network 192.168.0.0/24 to find all active devices quickly using a fast ping scan.
  2. Use the node to perform a quick scan on a specified IP range to detect which hosts are up before performing more detailed scans.

Properties

Name Meaning
Target Network Range / Host / IP Defines the target network range, host, or IP address to scan.
Aggressive Mode Enables faster execution of the scan by using the '-T5' option in nmap.
Check Top Ports Specifies the number of top ports to check, though not used in quick scan operation.
Host Discovery Enables or disables host discovery; if disabled, uses '-Pn' to skip host discovery (not used in quick scan).
Put Result in Field Specifies the name of the output field to store the scan results (not used in quick scan operation).

Output

JSON

  • json - Each item contains JSON data representing a discovered host from the quick scan.

Dependencies

  • Requires local sudo password credential to execute nmap commands with elevated privileges.

Troubleshooting

  • Common issues include incorrect sudo password causing command execution failure.
  • Network range input errors or invalid IP ranges can cause scan failures.
  • Errors from nmap command execution are thrown as node operation errors with the original error message.

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