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nmap

Scan networks for hosts, ports, services, and operating systems using nmap.

6|1|Updated Feb 16, 2026
Search Tags:#troubleshooting#security audit#nmap#port scanning#network scanning#host discovery
One-click install
npx skills add https://github.com/L3DigitalNet/Claude-Code-Plugins --skill nmap-l3digitalnet
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: nmap
Source: https://github.com/L3DigitalNet/Claude-Code-Plugins/tree/main/plugins/linux-sysadmin/skills/nmap
Command: npx skills add https://github.com/L3DigitalNet/Claude-Code-Plugins --skill nmap-l3digitalnet

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill helps identify active hosts on a network, discover open ports, and detect running services, which is crucial for network security assessments and troubleshooting.

Core Features & Use Cases

  • Host Discovery: Quickly find live devices on a subnet.
  • Port Scanning: Identify open TCP and UDP ports on target hosts.
  • Service & OS Detection: Determine the applications and operating systems running on network devices.
  • Use Case: A system administrator can use this Skill to scan their local network to ensure only authorized devices are connected and to identify any unexpected open ports on existing servers.

Quick Start

Use the nmap skill to perform a ping sweep on the 192.168.1.0/24 subnet.

Frequently Asked Questions about nmap

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I scan a network to find open ports and active hosts?▼

Network scanning identifies active hosts and open ports using the nmap utility. You can perform host discovery, port scanning, and service version detection to map live devices on a subnet.

Can I detect running services and operating systems during a network security audit?▼

Service and OS detection are supported during a network security audit. The tool analyzes responses from target hosts to determine running applications and operating system fingerprints.

Do I need nmap installed to perform port scanning and host discovery?▼

Yes, you need the nmap binary installed on your system. This capability directly relies on the local nmap utility to execute network scanning and host discovery operations.

What is the best way to troubleshoot unexpected open ports on local servers?▼

To troubleshoot unexpected open ports, perform a port scan on your local servers. This identifies active TCP and UDP ports, helping administrators verify unauthorized services or connections.

How does a ping sweep work for finding live devices on a subnet?▼

A ping sweep works by sending ICMP requests across a subnet to discover live devices. It quickly identifies active IP addresses, facilitating network troubleshooting and security assessments.

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