Network Security

A port number tells you almost nothing on its own. "Port 80 open" could be nginx, Apache, an

Nmap does not have one way to scan a TCP port, it has a whole family of them, and each

Once you know which hosts are alive, the real work is finding out what each one is listening on. Port

Before you scan a single port, you need to know which addresses are actually alive. Blasting a full port scan