Building Java Client/Server Applications with TCP. Part 3

Time for our third installment in the series. This time we look at the port scanner program.

3. The port scanner program

We’ll present a port scanner program that shows which ports are open on your computer, on someone else’s computer, or on an Internet server. In order to achieve this, the program browses through a given range of ports, creates a socket and tries to connect to the server on each port.

Originally published at https://www.luxoft-training.com.