port scanning
Discovering open ports on a networked system is an important reconnaissance step used to enumerate potentially vulnerable services. In this article you will learn a number of techniques used to perform fast and reliable port scans while bypassing many trivial defenses. Read more.
nmap
nmap (Network MAPper) is a network port scanner with service version and operating system detection engines. The tool was originally developed by Fyodor and published in Phrack Issue 51 in 1997. The tool is command line although a number of GUIs exist. nmap runs on a variety of platforms including Linux, *BSD, Windows, and others. Read more.
