There are many reasons why you might need to determine what process is using a particular port or, conversely, what port(s) a particular process has open. There are also a number of tools such as lsof ...
To most, the term "internet port scanning" might sound like the kind of nonsensical technobabble you would hear on an episode of "NCIS." However, port scanning is a very real and widely used method, ...
Fred Stluka from Bristle.com just introduced me to port knocking — a method of opening ports on a firewall by trying to connect with a series of ports in a pre-determined order. The sequence of ...