Network discovery
Nmap
Discover hosts, enumerate services, and assess network exposure in authorized environments.
About Nmap
Nmap is a network discovery and security auditing utility. It can identify reachable hosts, listening services, and selected configuration information within an authorized scope.
What it does
- ✓Identify reachable hosts and exposed ports.
- ✓Perform service and selected version discovery.
- ✓Automate repeatable, scoped network inventory tasks.
Where it fits
- ↗Documenting assets on a lab or approved enterprise network.
- ↗Validating firewall changes or exposed services.
- ↗Teaching network discovery and defensive surface review.
Next steps
Read the official Nmap reference guide and begin with small, explicitly authorized targets.