NMAP

About NMAP

One of its many advantages is that it works with virtually all popular OSes. This includes Windows, Linux, Mac, and even less well-known OSes like Solaris and HP-UX. It provides help with a wide variety of cutting-edge techniques for overcoming network barriers like IP filters, firewalls, and routers. This entails a wide range of methods, such as TCP/UDP port scanning, determining the running system and its version, conducting a ping sweep, and more.