Nmap
What -is -Nmap Nmap, short for Network Mapper, is a free and open source tool used for vulnerability checking, port scanning, and, of course, network mapping. Despite being created back in 1997, Nmap remains the gold standard against which all other similar tools, either commercial or open source, is judged. Nmap has maintained its preeminence because of the large community of developers and coders who help to maintain and update it. The Nmap community reports that the tool, which anyone can get for free, is downloaded several thousand times every week. Because of its flexible, open source code base, it can be modified to work within most customized or heavily specialized environments. There are distributions of Nmap specific to Windows, Mac, and Linux environments, but Nmap also supports less popular or older operating systems like Solaris, AIX, or AmigaOS. The source code is available in C, C++, Perl, and Python. What is Ze...