Sep 1, 2017 · Nmap Free Security Scanner, Port Scanner, & Network Exploration Tool. Download open source software for Linux, Windows, UNIX, FreeBSD, etc.

Nmap (Network Mapper) is a network scanner created by Gordon Lyon (also known by his pseudonym Fyodor Vaskovich). [4] Nmap is used to discover hosts and services on a computer network by …

Oct 2, 2020 · Nmap is clearly the “Swiss Army Knife” of networking, thanks to its inventory of versatile commands. It lets you quickly scan and discover essential information about your network, hosts, …

Jul 23, 2025 · Nmap (Network Mapper) is a free and open-source network detection and security scanning utility. Many network and system administrators also find it useful for tasks such as network …

Nmap is released under a custom license, which is based on (but not compatible with) GPLv2. The Nmap license allows free usage by end users, and we also offer a commercial license for companies …

Jan 14, 2026 · Use our Nmap-powered port scanner to find open TCP or UDP ports and services. Free online port checker to map your network perimeter and attack surface.

NMAP (Network Mapper) is the de facto open source network scanner used by almost all security professionals to enumerate open ports and find live hosts in a network (and much more really).

Jan 14, 2026 · Learn essential Nmap commands for threat intelligence, port scanning, OS detection, and network mapping. A practical guide for security teams.

Obstacles like SSL encryption and Sun RPC are no threat, as Nmap can connect using OpenSSL (if available) as well as utilizing Nmap's RPC bruteforcer. IPv6 is also supported. You can read our new …

Dec 19, 2025 · Nmap (N etwork mapper) is an open-source Linux tool for network and security auditing. The tool helps network administrators reveal hosts and services on various systems.