Sep 1, 2017 · Nmap ("Network Mapper") is a free and open source utility for network discovery and security auditing. Many systems and network administrators also find it useful for tasks such as …

Zenmap is the official cross-platform GUI for the Nmap Security Scanner. It is free and runs on Linux, Windows, Mac OS X, etc.

Official Download site for the Free Nmap Security Scanner. Helps with network security, administration, and general hacking

For many years, Nmap was a Unix-only tool, and it would likely still be that way if not for their efforts. Windows users have three choices for installing Nmap, all of which are available from the download …

One of Nmap's best-known features is remote OS detection using TCP/IP stack fingerprinting. Nmap sends a series of TCP and UDP packets to the remote host and examines practically every bit in the …

An administrator may be comfortable using just an ICMP ping to locate hosts on his internal network, while an external penetration tester may use a diverse set of dozens of probes in an attempt to …

It uses both TCP and UDP for communication and is designed to be a reliable back-end tool to instantly provide network connectivity to other applications and users. Ncat will not only work with IPv4 and …

He launches Nmap, or Network Mapper, and begins sweeping to see what his guess may turn over. Nmap uses IP packets to see what operating systems the network is running, what servers are …

Nmap includes about 50 valuable scripts for network discovery and vulnerability detection, and you can also write your own. We describe the system in depth (from simple usage instructions to writing your …

Nmap adjusts its timings automatically depending on network speed and response times of the victim. However, you may want more control over the timing in order to create a more stealthy scan, or to …